Champion Spark Plugs Parts and Accessories

Spark Plug, Industrial, 18mm Thread, 0.500 in. Reach, Gasket Seat, Resistor, Each

Part Number: CPN-509

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Spark Plug, Industrial, Gasket Seat, Nickel Alloy, 0.500 in. Reach, 18mm Thread Size, Each

Part Number: CPN-514

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Spark Plug, Industrial, Gasket Seat, Nickel Alloy, 0.500 in. Reach, 18mm Thread Size, Each

Part Number: CPN-515

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USE AUP 3076

Part Number: CPN-520

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USE AUP 3095

Part Number: CPN-525

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USE AUP 373

Part Number: CPN-529

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USE AUP 216

Part Number: CPN-538

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Spark Plug, Industrial, Resistor, Gasket Seat, Nickel Alloy, 0.500 in. Reach, 18mm Thread Size, Each

Part Number: CPN-541

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Spark Plug, Non-Resistor, Nickel Tip, Copper Core, 18mm Thread Size, 0.500 in. Reach, Gasket Seat, Each

Part Number: CPN-543

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Spark Plug, Industrial, Gasket Seat, Nickel Alloy, 0.500 in Reach, 18mm Thread Size, Each

Part Number: CPN-549

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Spark Plug, Industrial, Nickel Copper Alloy, 7/8-18 in. Thread, 0.625 in. Reach, Flat Seat, 15/16 in. Wrench Size, Each

Part Number: CPN-562

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USE AUP 66

Part Number: CPN-405S

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Spark Plug, RF9YC, Copper Plus, Tapered Seat, 18mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-409

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USE AUP 4263

Part Number: CPN-415-1

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Spark Plug, Tapered Seat, 1/2 in. NPT Thread, 15/16 in. Hex, 0.940 in. Reach, Non-Resistor, Each

Part Number: CPN-425

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Spark Plug, RC9MC4, Copper Plus, Flat Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-434

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USE AUP APP5701

Part Number: CPN-445

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Spark Plugs, Copper Plus® Automotive Spark Plugs - Boxed

Part Number: CPN-450

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Spark Plug, RE14MCC5, Copper Plus, 14mm Thread, 1 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-470

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USE AUP 4122

Part Number: CPN-932M

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Spark Plug, Copper Plus, Copper, 14mm Thread, 0.500 in. Reach, Flat Seat, 13/16 in. Wrench Size, Set of 24

Part Number: CPN-932S

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Spark Plug, Resistor, Nickel Tip, Copper Core, 14mm Thread Size, 0.500 in. Reach, Gasket Seat, Each

Part Number: CPN-938-1

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Spark Plug, Copper Plus, Copper, 14mm Thread, 0.500 in. Reach, Flat Seat, 13/16 in. Wrench Size, Set of 24

Part Number: CPN-938S

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Spark Plug, Copper Plus, Resistor, 14mm Thread, 0.500 in. Reach, Tapered Seat, 13/16 in. Hex, Each

Part Number: CPN-941M

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Spark Plug, Copper Plus, Copper, 14mm Thread, 0.441 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: CPN-942M

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