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: Today

Spark Plug, RN14YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-405

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

Spark Plug, RC9YC, Copper Plus, Flat Seat, 14mm Thread, .750 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: CPN-344

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Spark Plug, RC12LYC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-412

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Spark Plug, N9YC, Copper Plus, 14mm Thread, .750 in. Reach, Non-Resistor, Small Engine, Each

Part Number: CPN-300

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Spark Plug, RC12LC4, Copper Plus, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: CPN-436

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

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: Today

Spark Plug, RC12ECC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-438

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: CPN-431-1

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, Copper Plus, 12mm Thread, .750 in. Reach, Resistor, Each

Part Number: CPN-810

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, N12YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: CPN-38

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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: Today

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: Today

Spark Plug, RC9YC4, Copper Plus, Flat Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-430

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Spark Plug, RC12MCC4, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-439

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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: Today

Spark Plug, RA8HC, Copper Core, 12mm Thread, .750in. Reach, Resistor, Each

Part Number: CPN-810C

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, RFN14LY, Copper Plus, Gasket Seat, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: CPN-82

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plugs, Copper Plus® Automotive Spark Plugs - Boxed

Part Number: CPN-388

Not Yet Reviewed

Estimated Ship Date: Aug 14, 2025 if ordered today

• Special Order

Spark Plug, RC7YC, Copper Plus, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: CPN-340

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, RC10YC4, Copper Plus, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-346

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, RN4C, Copper Plus, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: CPN-104

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Spark Plug, RC12MCC4, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Jeep, Each

Part Number: CWA-56028236AA

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Drop Ship
• Special Order

Spark Plug, RFN14LY, Copper Plus, Gasket Seat, 14mm Thread, .750 in. Reach, Resistor, Jeep, Each

Part Number: CWA-4318138

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Drop Ship
• Special Order

Spark Plug, Copper Plus, Nickel Copper Alloy, 14mm Thread, 0.750 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: CPN-120

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 15, 2025 if ordered today

• Special Order