Spark Plugs & Glow Plugs

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Copper Core, Tapered Seat, 5/8 in. Wrench Diameter, 14mm Thread, One Ground Strap, Each

Part Number: ADO-41-601

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• $20 Summit Bucks

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

Part Number: ADO-41-834

5.0 out of 5 stars ( 1 )

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• $20 Summit Bucks

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, Buick, Chevy, Olds, Pontiac

Part Number: ADO-R43TS6

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Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, Each

Part Number: ADO-41-606

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Spark Plug, Copper, 18mm Thread, 0.500 in. Reach, Gasket Seat, 7/8 in. Wrench Size, Each

Part Number: ADO-C88L

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, Each

Part Number: ADO-R44TSX

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

Part Number: ADO-41-800

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Estimated Ship Date: Jan 20, 2026 if ordered today

• $20 Summit Bucks
• Special Order

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

Part Number: ADO-41-940

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• $20 Summit Bucks

Spark Plug, Iridium Tip, Copper Core, Gasket Seat, 16mm Wrench Diameter, One Ground Strap, 0.748 in. Reach, Each

Part Number: ADO-41-122

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Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, Each

Part Number: ADO-CR42TS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $20 Summit Bucks

SPARK PLUG ASM

Part Number: ADO-41-131

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Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Spark Plug, Professional Platinum, Platinum Tip, Nickel Alloy Core, Tapered Seat, 16mm Wrench Diameter, One Ground Strap, 0.984 in. Reach, Each

Part Number: ADO-41-990

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Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, Each

Part Number: ADO-R45LTS6

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Spark Plug, Conventional Resistor, Nickel Alloy Tip, Copper Core, Gasket Seat, 14mm Thread, One Ground Strap, Each

Part Number: ADO-C45L

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• $20 Summit Bucks

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

Part Number: ADO-41-812

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Estimated Ship Date: Jan 20, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Spark Plug, Iridium Tip, Copper Core, Tapered Seat, 16mm Wrench Diameter, One Ground Strap, 0.984 in. Reach, Each

Part Number: ADO-41-107

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• $20 Summit Bucks

SPARK PLUG ASM-GAS ENG IGN

Part Number: ADO-41-100IP

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Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

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

Part Number: ADO-41-808

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

Part Number: ADO-41-814

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• $20 Summit Bucks

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

Part Number: ADO-8

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Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Spark Plug

Part Number: ADO-CS45T

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• $20 Summit Bucks

Spark Plug, RAPIDFIRE Performance Platinum, Platinum Tip, Nickel Copper Alloy Core, Flat Seat, 16mm Wrench Diameter, One Ground Strap, Each

Part Number: ADO-21

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Spark Plug, Conventional Resistor, Nickel Alloy Tip, Gasket Seat, 14mm Thread, Each

Part Number: ADO-41-630

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Estimated Ship Date: Jan 20, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Spark Plug, Resistor, Nickel Alloy Tip, Copper Core, 14mm Thread Size, 0.431 in. Reach, Tapered Seat, Each

Part Number: ADO-MR41T

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Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
• Special Order

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

Part Number: ADO-41-802

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Estimated Ship Date: Today

• $20 Summit Bucks