MERCURY Spark Plugs

Spark Plug, RC12YC, Copper Plus, 14mm Thread, Gasket Seat, .750 in. Reach, Projected Tip, Each

Part Number: CPN-71-1

4.8 out of 5 stars ( 46 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Professional, Platinum Tip, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-41-803

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RAPIDFIRE Performance Platinum, Tapered Seat, 14mm Thread, 25mm Reach, Resistor, Each

Part Number: ADO-17

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025