A strong double platinum spark plug combines platinum on the center and ground electrodes with a part number that matches your vehicle, making it a sensible choice for drivers seeking this electrode design. The listed options include Bosch fine-wire plugs in four- and ten-packs, an ACDelco GM Original Equipment plug, and Champion packs of six or eight. Bosch states its platinum firing pin and ground electrode inlay provide three times the service life of standard copper plugs; that is a manufacturer claim, not a comparison test.
Pack size and broad vehicle categories can help narrow the list, but they do not establish exact fitment. Check the vehicle’s year, make, model, engine, and required plug specifications against the manufacturer’s catalog before ordering.
The rankings reflect the details supplied, not vehicle-specific compatibility.
BOSCH 8110 is the Best Overall choice in this set because it is explicitly a double platinum OE Fine Wire plug, comes as a four-pack, and lists compatibility with cars, SUVs, and trucks. Bosch also describes a 360-degree laser-welded fine-wire firing pin and platinum inlay on the ground electrode, with a claimed three-times-longer service life than standard copper plugs. Confirm the 8110 fits your exact engine before buying; the broad vehicle categories alone are not a fitment guarantee.
Our Top Picks

This four-pack pairs Bosch’s OE fine-wire double platinum design with listed car, SUV, and truck compatibility and a claimed three-times service life versus standard copper plugs.
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Broad Vehicle RangeThe four-pack lists cars, trucks, SUVs, vans, buses, and watercraft, plus Bosch’s fine-wire double platinum construction and claimed extended life.
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Ten-Pack OptionIts ten-plug pack suits buyers needing multiple plugs, and the listing specifies platinum core and top materials alongside car, SUV, and truck compatibility.
View on Amazon- GM Original Equipment ACDelco 41-962
- Eight-Plug Pack Champion 7989
Compare the double platinum plug options
| # | Product | Core Material | Top Material Type | Compatible with Vehicle Type | Buy |
|---|---|---|---|---|---|
| 1 | 1. Bosch 8110Best Overall | Platinum | Platinum | Car, SUV, Truck | View on Amazon |
| 2 | 2. Bosch 8103Broad Vehicle Range | Platinum | Platinum | Car, Truck, SUV, Van, Bus, Watercraft | View on Amazon |
| 3 | 3. Bosch 7422Ten-Pack Option | Platinum | Platinum | Car, SUV, Truck | View on Amazon |
| 4 | 4. Bosch 8165Ten-plug Bosch fleet quantity | Platinum | Platinum | Car, SUV, Truck | View on Amazon |
| 5 | 5. ACDelco 41-962GM Original Equipment | Copper | Nickel | Car, Light Truck, SUV, Truck | View on Amazon |
| 6 | 6. Champion 7989Eight-Plug Pack | — | — | Car, Truck | View on Amazon |
| 7 | 7. Champion 7440Six-plug Champion service set | Platinum | Platinum | Car, Truck | View on Amazon |
| 8 | 8. Bosch 8108Four-plug Bosch car or truck set | Platinum | Platinum | Car, Truck | View on Amazon |
| 9 | 9. Bosch 8105Gap-specified Bosch four-pack | Platinum | Platinum | Car, SUV, Truck | View on Amazon |
| 10 | 10. Bosch 8101Bosch four-pack for SUV owners | Platinum | Nickel | Car, SUV, Truck | View on Amazon |
Detailed Reviews: Best Double Platinum Spark Plugs

#1 · Best Overall
1. Bosch 8110
- Core Material: Platinum
- Top Material Type: Platinum
- Compatible with Vehicle Type: Car, SUV, Truck
Best for: Corrosion-conscious Bosch replacement.
Why it ranks #1: This four-pack pairs Bosch’s OE fine-wire double platinum design with listed car, SUV, and truck compatibility and a claimed three-times service life versus standard copper plugs.
A 360-degree laser-welded fine-wire platinum firing pin gives this Bosch plug a specific durability focus, while its platinum ground-electrode inlay supports longer service intervals than standard copper plugs. The combination is intended to help maintain ignitability and performance while resisting corrosion, making it a considered choice for owners seeking an OE-style replacement.
Bosch says the double-platinum firing pin and ground-electrode inlay provide three times the service life of standard copper plugs, a benefit for buyers aiming to reduce how often plugs need attention. Its continuous 360-degree laser weld is specified to improve corrosion resistance and ignitability. Nickel-plated rolled threads are intended to resist corrosion and make removal from the cylinder head easier later. This four-plug set is listed for cars, SUVs, and trucks; its 14 mm x 1.25 mm thread specification helps narrow fit checks.
- Platinum firing pin and ground-electrode inlay
- Claimed three-times service life versus standard copper plugs
- 360-degree continuous laser-welded fine-wire design
- Nickel-plated rolled threads resist corrosion
- Four plugs may not cover engines requiring more than four for a complete replacement.
Skip it if you need more than four plugs for the job; Bosch 7422 is listed in a ten-plug set for larger replacements.
Choose this Bosch set when your car, SUV, or truck calls for its thread specification and a four-plug quantity. Its corrosion-resistant thread treatment suits buyers mindful of future removal, but the pack may not cover every engine.
Full product details
| Brand | Bosch |
|---|---|
| Compatible with Vehicle Type | Car, SUV, Truck |
| Core Material | Platinum |
| Included Components | Spark Plugs |
| Item Weight | 1.76 ounces |
| Manufacturer | Bosch Automotive |
| Part Number | 8110 |
| Manufacturer Warranty Description | Limited |
| Model Number | 8110 |
| Thread Size | 14mm x 1.25mm |
| Top Material Type | Platinum |
Listed on Amazon as: BOSCH 8110 OE Fine Wire Double Platinum Spark Plug – Engineered for Extended Performance Life and Durability – Pack of 4
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#2 · Broad Vehicle Range
2. Bosch 8103
- Core Material: Platinum
- Top Material Type: Platinum
- Compatible with Vehicle Type: Car, Truck, SUV, Van, Bus, Watercraft
Best for: Broad vehicle-category Bosch option.
Why it ranks #2: The four-pack lists cars, trucks, SUVs, vans, buses, and watercraft, plus Bosch’s fine-wire double platinum construction and claimed extended life.
Bosch lists this OE fine-wire double-platinum plug for an unusually broad range of vehicle categories, including cars, trucks, vans, buses, and watercraft. Its laser-welded platinum firing pin and platinum ground-electrode inlay pair that broad category coverage with a stated focus on extended service life and corrosion-resistant performance.
Bosch attributes three times the service life of standard copper plugs to the platinum firing pin and ground-electrode inlay, which can mean fewer plug changes when the application matches. The continuous 360-degree laser-welded fine-wire design is specified to improve corrosion resistance and ignitability. Nickel-plated rolled threads help resist corrosion and ease later removal from the cylinder head. The four-plug pack suits a smaller replacement quantity, while the listed vehicle categories span cars, trucks, SUVs, vans, buses, and watercraft.
- Platinum firing pin and ground-electrode inlay
- Claimed three-times service life versus standard copper plugs
- 360-degree laser-welded fine-wire firing pin
- Listed for cars, trucks, SUVs, vans, buses, and watercraft
- The four-plug pack may not cover a complete replacement on engines needing more plugs.
Skip it if you need a ten-plug quantity for a larger job; Bosch 8165 is listed as a ten-plug set for that use.
Consider this four-pack if your vehicle falls within Bosch's listed categories and the application calls for this plug. The wide category list is not an engine-specific fit guarantee, and the pack contains only four plugs.
Full product details
| Brand | Bosch |
|---|---|
| Compatible with Vehicle Type | Car, Truck, SUV, Van, Bus, Watercraft |
| Core Material | Platinum |
| Included Components | Spark Plugs |
| Item Weight | 6.4 ounces |
| Manufacturer | Bosch Automotive |
| Part Number | 8103 |
| Manufacturer Warranty Description | Limited |
| Model Number | 8103 |
| Top Material Type | Platinum |
Listed on Amazon as: BOSCH 8103 OE Fine Wire Double Platinum Spark Plug – Pack of 4
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#3 · Ten-Pack Option
3. Bosch 7422
- Core Material: Platinum
- Top Material Type: Platinum
- Compatible with Vehicle Type: Car, SUV, Truck
Best for: Ten-plug Bosch service quantity.
Why it ranks #3: Its ten-plug pack suits buyers needing multiple plugs, and the listing specifies platinum core and top materials alongside car, SUV, and truck compatibility.
A ten-plug pack is the practical differentiator of Bosch's 7422 OE fine-wire double-platinum set, giving buyers a larger quantity for a multi-plug service. The platinum firing pin and ground-electrode inlay support Bosch's stated extended-life claim, while nickel-plated threads address corrosion and later removal.
Bosch says its double-platinum firing pin and ground-electrode inlay provide three times the service life of standard copper plugs, which can reduce how often buyers revisit plug replacement. A continuous 360-degree laser-welded fine-wire firing pin is specified to improve corrosion resistance and ignitability. Nickel-plated rolled threads resist corrosion and help plugs remove from the cylinder head. The ten-piece quantity suits larger jobs, and the listing names cars, SUVs, and trucks as compatible vehicle categories; the thread size is given as 14 mm.
- Ten plugs in the pack
- Platinum firing pin and ground-electrode inlay
- Claimed three-times service life versus standard copper plugs
- Nickel-plated rolled threads resist corrosion
- A ten-plug pack may leave extras when the replacement job needs fewer plugs.
Skip it if you need only four plugs for the job; Bosch 8108 is listed in a four-plug pack for a smaller quantity.
This Bosch 7422 pack suits buyers with a larger replacement job in a listed car, SUV, or truck application. Its ten-plug count and 14 mm thread detail help planning, but verify the specific application before installation.
Full product details
| Brand | Bosch |
|---|---|
| Compatible with Vehicle Type | Car, SUV, Truck |
| Core Material | Platinum |
| Included Components | Spark Plugs |
| Item Weight | 1.28 ounces |
| Manufacturer | Bosch Automotive |
| Part Number | 7422 |
| Manufacturer Warranty Description | Limited |
| Model Number | 7422 |
| Thread Size | 14mm |
| Top Material Type | Platinum |
Listed on Amazon as: BOSCH 7422 OE Fine Wire Double Platinum Spark Plug – Pack of 10
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#4
4. Bosch 8165
- Core Material: Platinum
- Top Material Type: Platinum
- Compatible with Vehicle Type: Car, SUV, Truck
Best for: Ten-plug Bosch fleet quantity.
Why it ranks #4: This Bosch ten-pack lists platinum core and top materials, broad car, SUV, and truck compatibility, and an M14x1.25 thread size.
Bosch supplies ten 8165 OE fine-wire double-platinum plugs in one set, a quantity suited to larger maintenance jobs. Its platinum firing pin and ground-electrode inlay underpin a stated service-life advantage over standard copper plugs, while the M14x1.25 thread specification helps buyers check application details.
The double-platinum electrodes are stated to deliver three times the service life of standard copper plugs, which can mean less frequent replacement when the plug matches the vehicle. Bosch's continuous 360-degree laser-welded fine-wire firing pin is specified for corrosion resistance and ignitability. Nickel-plated rolled threads are intended to resist corrosion and ease removal from the cylinder head. The ten-piece quantity supports larger jobs, and M14x1.25 provides a thread detail for fit checks across the listed cars, SUVs, and trucks.
- Ten plugs in the pack
- M14x1.25 thread specification
- 360-degree laser-welded fine-wire firing pin
- Listed for cars, SUVs, and trucks
- Ten plugs may be more than needed for a smaller replacement job.
Skip it if you need a four-plug set for a smaller job; Bosch 8105 is listed in a four-pack with a 1.1 mm gap specification.
Buyers planning a larger replacement on a listed car, SUV, or truck may value this ten-piece Bosch set and its M14x1.25 thread detail. Match the specific application before installation, particularly if the job needs fewer plugs.
Full product details
| Brand | Bosch |
|---|---|
| Compatible with Vehicle Type | Car, SUV, Truck |
| Core Material | Platinum |
| Included Components | Spark Plugs |
| Item Weight | 250 g |
| Manufacturer | Bosch Automotive |
| Part Number | 8165 |
| Manufacturer Warranty Description | Manufacturer Warranty |
| Model Number | 242145541 |
| Thread Size | M14x1.25 |
| Top Material Type | Platinum |
Listed on Amazon as: BOSCH 8165 OE Fine Wire Double Platinum Spark Plug – Pack of 10
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#5 · GM Original Equipment
5. ACDelco 41-962
- Core Material: Copper
- Top Material Type: Nickel
- Compatible with Vehicle Type: Car, Light Truck, SUV, Truck
Best for: GM equipment replacement choice.
Why it ranks #5: The listing identifies it as GM Original Equipment and specifies double platinum electrode pads, a copper core, and compatibility with cars, light trucks, SUVs, and trucks.
A fired-in suppressor seal combining three glass types is the defining feature of this ACDelco plug, helping create a gas-tight seal while limiting radio-frequency and engine interference. Double-platinum pads on both electrodes add durability, making it a focused option for buyers seeking GM Original Equipment replacement characteristics in a single plug.
The one-piece suppressor seal is described as helping regulate spark-plug energy and withstand compression pressure, while reducing radio-frequency and engine interference. That matters to buyers looking for a plug that addresses both sealing and electrical interference concerns. Double-platinum pads on the center and ground electrodes support durability and consistent voltage demands, helping reduce ignition-system wear. A pure copper core is specified to keep electrode temperature cooler. It is listed for cars, light trucks, SUVs, and trucks, and sold individually.
- One-piece suppressor seal blends three glass types
- Seal helps reduce radio-frequency and engine interference
- Double-platinum pads on center and ground electrodes
- Pure copper core supports cooler electrode temperature
- Sold as one spark plug, so a multi-cylinder replacement requires several units.
Skip it if you want a multi-plug set in one package; Bosch 8110 is listed as a four-plug set for a larger replacement.
This ACDelco single plug suits buyers seeking GM Original Equipment branding and the listed interference-suppression and double-platinum features. Its one-unit quantity makes it a focused replacement, not a complete set for most multi-cylinder jobs.
Full product details
| Brand | ACDelco |
|---|---|
| Compatible with Vehicle Type | Car, Light Truck, SUV, Truck |
| Core Material | Copper |
| Included Components | Spark Plug |
| Item Weight | 9.07 g |
| Manufacturer | ACDelco |
| Part Number | 19299585 |
| Manufacturer Warranty Description | 7 Year / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details. |
| Model Number | 41-962 |
| Thread Size | 41-962 |
| Top Material Type | Nickel |
Listed on Amazon as: ACDelco GM Original Equipment 41-962 (19299585) Double Platinum Spark Plug (Pack of 1)
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#6 · Eight-Plug Pack
6. Champion 7989
- Compatible with Vehicle Type: Car, Truck
Best for: Eight-plug Champion replacement set.
Why it ranks #6: This genuine Champion double platinum set includes eight plugs and original packaging and hardware; the listing recommends confirming vehicle fitment.
Eight genuine Champion 7989 double-platinum plugs make this set suited to buyers sourcing a larger quantity for car or truck maintenance. The listing identifies them as direct-replacement auto parts and includes original packaging and hardware, giving shoppers a defined plug model and an eight-piece quantity to plan around.
The eight-piece count can simplify procurement when a job calls for multiple plugs, while the Champion 7989 model number identifies the specific replacement part in the listing. These are described as genuine Champion double-platinum plugs and as direct-replacement auto parts, which gives buyers a clear product type to compare with their vehicle's requirements. The listed compatible vehicle categories are cars and trucks. Since the supplied specifications do not give thread or gap measurements, buyers should use the vehicle-specific fit information before installation.
- Eight genuine Champion 7989 plugs
- Double-platinum spark plug construction
- Identified as direct-replacement auto parts
- Listed for cars and trucks
- The listing specifies cars and trucks, not SUVs or other vehicle categories.
Skip it if you need a plug explicitly listed for SUVs; Bosch 8105 is specified for cars, SUVs, and trucks.
This Champion set fits buyers seeking eight 7989 double-platinum plugs for a car or truck replacement. Its listed vehicle scope is limited to those categories, so shoppers with another vehicle type should choose a listing that names it.
Full product details
| Brand | Sixity Auto |
|---|---|
| Compatible with Vehicle Type | Car, Truck |
| Included Components | 8 pc Spark Plugs |
| Item Weight | 1 pounds |
| Manufacturer | Champion |
| Part Number | Champion_7989_8 |
| Manufacturer Warranty Description | Includes manufacturer provided warranty |
| Model Number | 7989 |
Listed on Amazon as: 8 pc Champion 7989 Double Platinum Spark Plugs
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#7
7. Champion 7440
- Core Material: Platinum
- Top Material Type: Platinum
- Compatible with Vehicle Type: Car, Truck
Best for: Six-plug Champion service set.
Why it ranks #7: The genuine Champion double platinum 7440 pack contains six plugs and lists platinum for both core and top materials, with car and truck compatibility.
Six genuine Champion 7440 RE14PLP5 double-platinum plugs give this package a middle-ground quantity for buyers who need more than a small set. Identified as direct-replacement auto parts and listed for cars and trucks, it offers a specific Champion model and six-plug count for planning a maintenance job.
The six-piece quantity helps buyers organize a multi-plug replacement without ordering each plug separately, while the model designation 7440 RE14PLP5 distinguishes this set from other Champion applications. The listing identifies the plugs as genuine Champion double-platinum parts and direct replacements, providing product-type information for matching against vehicle requirements. Platinum is listed as both core and top material. Compatibility is specified for cars and trucks, so the package is best considered within those vehicle categories rather than as a universal choice.
- Six plugs in the set
- Genuine Champion 7440 RE14PLP5 model
- Double-platinum construction
- Listed for cars and trucks
- The listed compatible vehicle categories are limited to cars and trucks.
Skip it if you need a plug explicitly listed for SUVs; Bosch 8110 is specified for cars, SUVs, and trucks.
Choose this six-piece Champion set when your car or truck calls for model 7440 RE14PLP5 and the quantity matches the job. Its listed vehicle scope is limited to cars and trucks, so other applications need a different match.
Full product details
| Brand | Sixity Auto |
|---|---|
| Compatible with Vehicle Type | Car, Truck |
| Core Material | Platinum |
| Included Components | 6 pc Spark Plugs |
| Item Weight | 11.52 ounces |
| Manufacturer | Champion |
| Part Number | Champion_7440_6 |
| Manufacturer Warranty Description | Includes manufacturer provided warranty |
| Model Number | 7440 |
| Top Material Type | Platinum |
Listed on Amazon as: 6 pc Champion 7440 RE14PLP5 Double Platinum Spark Plugs
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#8
8. Bosch 8108
- Core Material: Platinum
- Top Material Type: Platinum
- Compatible with Vehicle Type: Car, Truck
Best for: Four-plug Bosch car or truck set.
Why it ranks #8: This four-pack is an OE fine-wire double platinum Bosch plug, lists car and truck compatibility, and specifies a 14mm thread size.
Bosch specifies this 8108 plug for cars and trucks, with a 14 mm thread and four-plug pack that helps buyers narrow a replacement search. Its fine-wire platinum firing pin and ground-electrode inlay are intended to extend service life, while the laser-welded design supports corrosion resistance and ignitability.
The platinum firing pin and ground-electrode inlay are associated with Bosch's claim of three times the service life of standard copper plugs, which may reduce maintenance frequency for a matched application. Its continuous 360-degree laser-welded fine-wire design is specified to improve ignitability and corrosion resistance. Nickel-plated rolled threads are intended to resist corrosion and ease removal from the cylinder head. The 14 mm thread specification and four-piece quantity help with planning, and the listing names cars and trucks as compatible categories.
- 14 mm thread specification
- Four-plug pack
- Platinum firing pin and ground-electrode inlay
- Nickel-plated rolled threads resist corrosion
- The listing names cars and trucks, but not SUVs, as compatible vehicle categories.
Skip it if you need a plug listed for SUVs; Bosch 8105 explicitly names cars, SUVs, and trucks as compatible categories.
Pick this Bosch four-pack for a car or truck application that matches the 14 mm thread specification. The platinum features and corrosion-resistant threads suit maintenance-conscious buyers, while the listing does not name SUVs among compatible categories.
Full product details
| Brand | Bosch |
|---|---|
| Compatible with Vehicle Type | Car, Truck |
| Core Material | Platinum |
| Included Components | Spark Plugs |
| Manufacturer | Bosch Automotive |
| Part Number | 8108 |
| Manufacturer Warranty Description | Limited |
| Model Number | 8108 |
| Thread Size | 14mm |
| Top Material Type | Platinum |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Listed on Amazon as: BOSCH 8108 OE Fine Wire Double Platinum Spark Plug – Pack of 4
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#9
9. Bosch 8105
- Core Material: Platinum
- Top Material Type: Platinum
- Compatible with Vehicle Type: Car, SUV, Truck
Best for: Gap-specified Bosch four-pack.
Why it ranks #9: The four-pack lists platinum core and top materials, car, SUV, and truck compatibility, a 1.1-millimeter gap, and a 14mm thread size.
A listed 1.1 mm gap gives this Bosch 8105 four-pack a concrete specification for buyers comparing replacement plugs. Its fine-wire double-platinum electrodes support Bosch's extended-life claim, while the 360-degree laser-welded firing pin is intended to improve ignitability and corrosion resistance.
Bosch says the platinum firing pin and ground-electrode inlay offer three times the service life of standard copper plugs, helping reduce replacement frequency when the plug matches the application. The continuous 360-degree laser weld is specified to promote corrosion resistance and ignitability, while nickel-plated rolled threads are intended to resist corrosion and ease later removal. A 1.1 mm gap and 14 mm thread detail give useful dimensions for application checks. The four plugs are listed for cars, SUVs, and trucks.
- Specified 1.1 mm gap
- 14 mm thread specification
- Platinum firing pin and ground-electrode inlay
- Listed for cars, SUVs, and trucks
- The four-plug pack may not cover engines requiring more than four plugs.
Skip it if you need ten plugs for a larger replacement; Bosch 7422 is listed as a ten-plug set for that quantity.
This Bosch set suits buyers whose car, SUV, or truck application matches the listed 1.1 mm gap and 14 mm thread. The four-piece count works for smaller jobs, but may not complete a larger engine's replacement.
Full product details
| Brand | Bosch |
|---|---|
| Compatible with Vehicle Type | Car, SUV, Truck |
| Core Material | Platinum |
| Gap Size | 1.1 millimeters |
| Included Components | Spark Plugs |
| Item Weight | 6.88 ounces |
| Manufacturer | Bosch Automotive |
| Part Number | 8105 |
| Manufacturer Warranty Description | Limited |
| Model Number | 8105 |
| Thread Size | 14 |
| Top Material Type | Platinum |
Listed on Amazon as: BOSCH 8105 OE Fine Wire Double Platinum Spark Plug – Pack of 4
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#10
10. Bosch 8101
- Core Material: Platinum
- Top Material Type: Nickel
- Compatible with Vehicle Type: Car, SUV, Truck
Best for: Bosch four-pack for SUV owners.
Why it ranks #10: This four-pack is listed as OE fine-wire double platinum and covers cars, SUVs, and trucks, but the supplied thread-size entry is only RM.
Bosch lists the 8101 double-platinum plug for cars, SUVs, and trucks, making its stated vehicle range a useful starting point for replacement shoppers. A fine-wire platinum firing pin paired with a platinum ground-electrode inlay supports the brand's extended-life claim and focuses the design on durability.
Bosch attributes three times the service life of standard copper plugs to the platinum firing pin and ground-electrode inlay, which may reduce the frequency of replacement for a matching application. The continuous 360-degree laser-welded fine-wire design is specified to improve ignitability and corrosion resistance. Nickel-plated rolled threads help resist corrosion and ease removal from the cylinder head. The set contains four plugs, and the listing gives the thread designation as RM, so buyers should use vehicle-specific application information when checking fit.
- Four-plug pack
- Platinum firing pin and ground-electrode inlay
- Claimed three-times service life versus standard copper plugs
- Listed for cars, SUVs, and trucks
- The thread designation is listed only as RM, offering less dimensional detail than a metric thread size.
Skip it if you need a metric thread dimension for your application check; Bosch 8110 lists its thread as 14 mm x 1.25 mm.
This Bosch four-pack suits car, SUV, or truck owners whose application matches the 8101 designation. Its platinum construction targets extended service, but the listed RM thread detail provides less dimensional guidance than a metric measurement.
Full product details
| Brand | Bosch |
|---|---|
| Compatible with Vehicle Type | Car, SUV, Truck |
| Core Material | Platinum |
| Included Components | Spark Plugs |
| Item Weight | 1.6 ounces |
| Manufacturer | Bosch Automotive |
| Part Number | 8101 |
| Manufacturer Warranty Description | Limited |
| Model Number | 8101 |
| Thread Size | RM |
| Top Material Type | Nickel |
Listed on Amazon as: BOSCH 8101 OE Fine Wire Double Platinum Spark Plug – Pack of 4
View on AmazonWhy exact spark-plug fitment matters
A broad vehicle category is not enough to confirm a spark plug fits; verify the exact engine application before ordering. For instance, Bosch 8103 lists compatibility with cars, trucks, SUVs, vans, buses, and watercraft, while Bosch 8108 lists cars and trucks. Those categories do not identify specific models, engines, thread reach, heat range, or other application details.
The supplied Bosch thread information also varies: Bosch 8110 lists 14mm x 1.25mm, Bosch 8108 lists 14mm, Bosch 8105 lists 14 and a 1.1-millimeter gap, and Bosch 8165 lists M14x1.Do not assume that plugs sharing a brand or electrode material are interchangeable.
Use the vehicle manufacturer’s application information or a reliable parts catalog to match the full plug part number to the engine. If the required gap or installation procedure is not in the listing, check the vehicle and plug manufacturers’ instructions rather than guessing.
What the listed platinum claims do—and don’t—show
The product descriptions support a durability-oriented rationale for double platinum, but they do not establish a tested lifespan across these ten listings. Bosch says its fine-wire design has a platinum firing pin and ground electrode inlay and claims three times the service life of standard copper plugs. ACDelco describes double platinum pads on the center and ground electrodes, along with a copper core.
Champion listings identify double platinum plugs but provide fewer construction details. These are differences in the supplied product information, not proof that one brand lasts longer than another.
A practical trade-off is pack quantity: several Bosch options come in four-packs, other Bosch choices and one Champion set come in larger packs, and ACDelco 41-962 is sold as a single plug. Match the quantity to the engine’s cylinder count and maintenance needs, while following the vehicle maker’s replacement guidance. Avoid treating a larger pack as evidence of better performance.
How to Choose Double Platinum Spark Plugs
Exact vehicle fitment
Look first for a confirmed match to your exact engine, not just a broad vehicle category. The listings name categories ranging from car and truck to Bosch 8103’s cars, trucks, SUVs, vans, buses, and watercraft, but none supplies a complete year-make-model-engine application list. Thread details also vary: Bosch 8110 gives 14mm x 1.25mm, Bosch 8165 gives M14x1.25, and Bosch 8105 lists 14 plus a 1.1-millimeter gap.
These entries are not enough by themselves to establish fit. Buyers with an exact replacement part number should prioritize a verified cross-reference; anyone uncertain about engine details should check the manufacturer’s catalog before choosing among the broader listings.
Pack quantity
Choose a pack that supplies the number of plugs your engine requires, while accounting for the listed quantity. Bosch 8110, 8103, 8108, 8105, and 8101 are four-packs; Bosch 7422 and 8165 are ten-packs. Champion 7440 is a six-pack, Champion 7989 an eight-pack, and ACDelco 41-962 a single plug.
Quantity does not indicate plug quality or fitment. A buyer replacing a smaller number of plugs may prefer a four-pack or single plug if the application calls for it; someone servicing an engine that needs more plugs may find a larger pack more convenient.
Check the engine’s cylinder count and replacement instructions before deciding, and do not assume extra plugs will fit another vehicle.
Electrode and material details
Compare the stated electrode construction and materials, but treat missing details as unknown rather than as a defect. Bosch describes a platinum firing pin and ground electrode inlay, plus a 360-degree laser-welded fine-wire design; it claims three times the service life of standard copper plugs. ACDelco specifies double platinum pads on the center and ground electrodes and a pure copper core.
Bosch listings commonly state platinum for core and top materials, while Champion 7440 lists platinum for both. Champion 7989 provides less material detail in the supplied specifications.
Drivers who want detailed fine-wire construction information may favor the Bosch listings; buyers seeking GM Original Equipment identification may look at ACDelco 41-In either case, confirm the exact application and follow the vehicle maker’s requirements.
Which double platinum spark plugs should I choose?
Start with exact fitment: no pack in this list is confirmed for a particular vehicle without checking its engine application. For a four-pack with Bosch fine-wire construction and listed car, SUV, and truck compatibility, choose Bosch If the wider set of listed vehicle categories is useful, Bosch 8103 covers cars, trucks, SUVs, vans, buses, and watercraft.
Buyers who need more plugs can compare the Bosch ten-packs, Bosch 7422 and Bosch 8165, while checking the specific part number. For GM Original Equipment identification and stated center- and ground-electrode platinum pads, consider ACDelco 41-962, sold singly.
Champion 7989 supplies eight plugs and Champion 7440 supplies six. Confirm fit, plug count, gap, and installation requirements before ordering; listing compatibility categories alone do not guarantee a match.
Frequently Asked Questions
How can I confirm which double platinum spark plug fits my exact engine?
Check the vehicle’s exact engine application in the owner’s or service information, then verify that the plug’s part number is listed for it. Do not rely on broad categories such as cars, trucks, or SUVs alone; the roundup does not confirm fitment for a particular vehicle.
Should I replace all spark plugs at once, and how many plugs does my engine need?
Replacing the full set helps keep maintenance consistent, but follow your vehicle’s service guidance. The required number depends on the engine, so check its specifications before ordering. Compare that quantity with the package count: these listings range from a single plug to packs of four, six, eight, or ten.
Do double platinum spark plugs require a specific gap or installation torque?
Use the gap and installation torque specified for your exact engine and plug application. Do not assume those values from the double platinum description or package count. Check the vehicle’s service information and the plug maker’s instructions before installation; the supplied product details do not state gap or torque specifications.
Does a pack’s plug count tell me whether it fits my vehicle?
No. Pack count tells you how many plugs are included, not whether the part fits your engine. First confirm the exact application for the part number, then compare the included quantity with the number your engine requires.
A matching count alone is not a fitment guarantee.
Are listed vehicle categories enough to confirm compatibility?
No. Categories such as cars, SUVs, trucks, vans, buses, or watercraft describe broad coverage, not a confirmed match for a specific engine. Use the exact vehicle and engine application to check the part number before ordering, even when the product listing includes your vehicle category.
Final Words
Start by confirming the exact engine application; none of these listings is confirmed for a particular vehicle without that check. For a four-pack with fine-wire construction and listed car, SUV, and truck compatibility, Bosch 8110 is the editorial pick. Compare other pack counts or ACDelco’s GM Original Equipment identification only if they suit your needs, then verify fit, quantity, gap, and installation requirements before ordering.

