| BOSCH 4302 Specifications |
|---|
| Center Electrode Core Material | Platinum | | Center Electrode Tip Material | Platinum | | Gap Size | 1.6 mm | | Ground Electrode Quantity | 1 | | Ground Electrode Tip Material | Nickel-Yttrium | | Hex Size | 16 | | Insulator Material | Ceramic | | Manufacturer Heat Range | 9 | | Reach | 11.2 MM | | Resistance | 6000 | | Seat Type | Tapered | | Short Style | No | | Thread Diameter | 14 MM |
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| PLATINUM+2; Pre-Set Gap: 0.063" |
Two ground electrodes and more platinum than Bosch Platinum Plus for optimum engine performance and longer life.
Features & Benefits:
- Revolutionary firing technology featuring multiple spark paths to deliver a longer, more powerful spark for optimum engine performance
- More platinum vs. Bosch Platinum Plus for smoother acceleration, better gas mileage and optimum engine performance
- Two yttrium-enhanced ground electrodes provide optimum access to the air/fuel mixture for more efficient combustion...plus a longer performance life
- Factory pre-set gap for ease of installation. Never requires adjustment
 Which BOSCH Spark Plug Is Right For You?
| Material / Series |
Lifespan / Durability |
Performance / Ignitability |
Efficiency / Fuel Economy |
Copper / Nickel
 |
★★ |
★ |
|
Platinum
 |
★★★★ |
★★★★ |
★★ |
Double Platinum
 |
★★★★★ |
★★★ |
★★ |
Iridium
 |
★★★★★★ |
★★★★★ |
★★★ |
Double Iridium
 |
★★★★★★★ |
★★★★★ |
★★★ |
Double Iridium Pin-to-Pin
 |
★★★★★★★ |
★★★★ |
★★★ |
Bosch OE-Fine Wire Performance Guarantee
Bosch guarantees you will feel improved performance in your vehicle when using any of Bosch OE Fine Wire Spark Plugs (Double Iridium, Double Iridium Pin-to-Pin, Double Platinum and Platinum). However, if you do not experience quicker starts, smoother acceleration and improved fuel efficiency, you can return the plugs with a dated sales receipt and Bosch will refund the purchase price of the spark plugs.
| PLATINUM |
Offer extends for four (4) years or for the manufacturer’s recommended spark plug change interval as indicated in the owner’s manual -- whichever occurs first.
Learn More | 4 YEAR
PERFORMANCE
GUARANTEE |
 Additional Resources
Diagram of Proper Torquing
Spark Plug Condition Identification
Spark Plug Gap Illustrations
Spark Plug Temperature Curves-Heat Range
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Warranty Information:12 Months Satisfaction Guarantee for Double Iridium, Double Platinum, and Platinum Spark Plugs OnlyWarranty Details |
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