Bosch Platinum+4 Spark Plugs deliver smoother acceleration, top fuel economy and ultimate engine performance. Bosch Platinum+4 Spark Plugs reach self-cleaning temperatures faster for quicker starts, smoother acceleration and increased fuel efficiency.
Features & Benefits:
Revolutionary surface air gap firing technology featuring Bosch's unique four ground electrode design delivers the most powerful spark for the most efficient combustion and optimum horsepower without increasing the voltage requirement
More platinum vs. Bosch Platinum Plus for smoother acceleration, better gas mileage and optimum engine performance
Four yttrium-enhanced ground electrodes provide optimum access to the air/fuel mixture for the most efficient combustion, plus the yttrium alloy ground electrodes reduce gap wear and oxidation for extended 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
Which BOSCH Spark Plug Is Right For You?
Additional Resources