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Double Iridium Pin-to-Pin Spark Plugs (9622)
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Backed by a 7 year satisfaction guarantee.
Pin-to-Pin: Better ignitability with less firing voltage.Bosch Double Iridium Pin-To-Pin Spark Plugs represent advanced OE spark plug technology and are manufactured to be original equipment (OE) equivalent in fit, form and function...
Key Features
- Double Iridium electrodes – iridium-alloy firing pin and an iridium-alloy pin laser-welded onto the ground electrode offer higher performance and up to 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
Frequently Asked Questions
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The Bosch OE Fine Wire Spark Plug family consists of Double Iridium, Double Iridium Pin-to-Pin, Iridium, Double Platinum and Platinum spark plugs. Built around Original Equipment (OE) technology, these spark plugs have an OE-specific design and are manufactured to meet or exceed OE requirements. As direct injection continues to grow across all makes (Domestic, Asian, and European vehicles) and as ignition systems continue to increase in voltage output, things like advanced ceramic technology, spark position and correct gap are more critical than ever. Bosch created this line of OE equivalent spark plugs for the aftermarket to address these performance requirements.
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.
Bosch precious metal spark plugs are pre-gapped at the factory and do not require a gap adjustment. Adjusting the gap may damage the center and ground electrodes.