Bosch OE Fine Wire Double Iridium. All iridium plugs are NOT created equal. The ultra fine wire design and laser welded, tapered ground electrode deliver the ultimate in ignitability and high performance. The iridium-alloy center electrode firing pin and laser welded ground electrode with iridium alloy inlay help it to go the distance.
Features & Benefits:
Double Iridium electrodes - iridium firing pin and iridium ground electrode inlay offer higher performance and 4 times longer life compared to standard copper spark plugs
OE Fine Wire design requires up to 24% less voltage to ignite
360 degree continuous laser welding increases durability for increased life
Copper core provides broader heat range to resist pre-ignition and fouling
Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize
Tapered ground electrode allows for better ignition throughout the life of the spark plug
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.
DOUBLE IRIDIUM
Offer extends for seven (7) 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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