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Bosch OE Iridium Spark Plugs

5.0 out of 5 stars 20 Customer Reviews

Bosch OE iridium spark plugs combine a 360 degree continuous laser-welded iridium center electrode, with a laser-welded ground electrode—to provide unmatched quality and OE long-life performance. They feature a 0.6mm ultra-fine wire iridium center electrode to provide exceptional ignitability. The laser-welded electrodes offer more area for flame growth and increased durability. These plugs also have a nickel plated housing for superior resistance to corrosion and come factory set pre-gap for an easy installation. Order the Bosch spark plugs designed for fitment with your make and model.

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Spark Plug, OE Iridium, 14mm Thread, 26.5mm Reach, Flat Seat, Each

Part Number: BCH-9746

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

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