Bosch 9621 Double Iridium Spark Plugs – 4-Pack, Extended Service Life

Description

The Bosch 9621 Double Iridium Spark Plugs 4 pc are high-quality ignition components designed for car and truck engines. These spark plugs feature a double iridium design for longer life and improved performance. Manufactured by Bosch, a trusted brand in automotive parts, these spark plugs are backed by a 1-year manufacturer warranty. With interchange part numbers including NGK, Champion, and ThunderCore-Ultra, these spark plugs are compatible with a variety of vehicles and are sure to provide reliable ignition for your engine.

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