MERCURY Spark Plugs

Spark Plug, RN12YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-404

4.94 out of 5 stars ( 17 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RV15YC4, Copper Plus, 14mm Thread, .460 in. Reach, Resistor, Each

Part Number: CPN-18

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RF11YC, Copper Plus, 18mm Thread, .460 in. Reach, Resistor, Ford, Mercury, Each

Part Number: CPN-22

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RV12YC, Copper Plus, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-406

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RC14YC, Copper Plus, Flat Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Set of 24

Part Number: CPN-431S

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RS14YC6, Copper Plus, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: CPN-13

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RS12YC, Copper Plus, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-401

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RN9YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-415

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RV17YC, Copper Plus, 14mm Thread, .460 in. Reach, Resistor, Each

Part Number: CPN-25

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Plus, Gasket Seat, 14mm Thread, .551 in. Reach, Each

Part Number: CPN-431-1

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Plus, Gasket Seat, Nickel Alloy, 14mm Thread, 0.438 in. Reach, Each

Part Number: CPN-844

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RC14YC, Copper Plus, Flat Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-431

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RS14YC, Copper Plus, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-408

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RC12YC5, Copper, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-89

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025