HARLEY-DAVIDSON Champion Spark Plugs Spark Plugs

Spark Plug, RJ12YC, Copper Plus, 14mm Thread, .375 in. Reach, Resistor, GM, Jeep, Mopar, International, Each

Part Number: CPN-14

4.94 out of 5 stars ( 17 )

Estimated Ship Date: Today

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, Platinum Power, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-3405

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Today

Spark Plugs, Double Platinum Power Spark Plugs - Boxed

Part Number: CPN-7322

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, J12YC, Copper Plus, Gasket Seat, 14mm Thread, .380 in. Reach, Non-Resistor, Each,

Part Number: CPN-10

4.0 out of 5 stars ( 5 )

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, 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: Today

Spark Plug, D16, Industrial and Agricultural, 18mm Thread, .500 in. Reach, Non-Resistor, Each

Part Number: CPN-516

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, Gasket Seat, 7/8 in.-18 Thread, 0.625 in. Reach, Projected Tip, Each

Part Number: CPN-561

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow if ordered today

• Special Order

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

Part Number: CPN-810

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, Iridium, Iridium, 12mm Thread, 0.750 in. Reach, Flat Seat, 5/8 in. Wrench Size, Each

Part Number: CPN-9701

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Spark Plug, 12mm Thread Size, .750 in. Reach, 6 Heat Range, Powersports, Each

Part Number: CPN-8809-1

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, Copper Plus, 14mm Thread, Copper Tip, Universal, Each

Part Number: CPN-854

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

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

Part Number: CPN-810C

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, RN5C, Copper Plus, 14mm Thread, .750 in. Reach, Gasket seat, Resistor, Projected Tip, Each

Part Number: CPN-123

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

Spark Plug, N3C, Copper Core, 14mm Thread, .750in. Reach, Set

Part Number: CPN-801C

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

Spark Plug, N6YC, Copper Plus, 14mm Thread, .750 in. Reach, Gasket seat, Resistor, Projected Tip, Each

Part Number: CPN-315

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

• Special Order

Spark Plug, N2C, Copper Core, 14mm Thread, .750in. Reach, Set

Part Number: CPN-805C

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: CPN-818

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Spark Plug, RL82YC, Copper Plus, 14mm Thread, .500 in. Reach, Resistor, Each

Part Number: CPN-814-1

Not Yet Reviewed

Estimated Ship Date: Today

USE AUP 4063

Part Number: CPN-805

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Special Order

Spark Plug, N4C, Copper Core, 14mm Thread, .750in. Reach, Set

Part Number: CPN-803C

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, N11YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Non-Resistior, Each

Part Number: CPN-302

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, RN3C, Copper Plus, 14mm Thread, Resistor, Each

Part Number: CPN-880

Not Yet Reviewed

Estimated Ship Date: Today