MERCURY Spark Plugs

Spark Plug, Traditional, 14mm Thread, .500 in. Reach, 13/16 in. Hex, Gasket seat, Resistor, Each

Part Number: NGK-4322

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Double Iridium, 14mm Thread, 17.5mm Reach, Tapered Seat, Each

Part Number: BCH-9660

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Super Plus, Nickel-Yttrium, 14mm Thread, 0.750 in. Reach, Gasket Seat, 13/16 in. Wrench Size, Each

Part Number: BCH-7905

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025