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.
DOUBLE PLATINUM
Offer extends for five (5) 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?
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