GMC Spark Plugs & Glow Plugs

Spark Plug, Copper, 14mm Thread, 0.708 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ADO-R44LTSM6

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Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, Ford, Jaguar, Peugeot, Volvo

Part Number: ADO-R42LTS

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Spark Plug, Iridium Tip, Tapered Seat, 14mm Thread, 1.000 in. Reach, Resistor, Each

Part Number: ADO-41-108

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

Part Number: ADO-CR44TS

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Spark Plug, Copper, 14mm Thread, 0.460 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ADO-R42T

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

Part Number: ADO-41-125

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

Part Number: ADO-41-948

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Spark Plug, Conventional Resistor, Nickel Alloy Tip, Gasket Seat, 14mm Thread, Chevy, Ford, Plymouth, Volvo

Part Number: ADO-R42XLS

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

Part Number: ADO-41-805

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

Part Number: ADO-41-834

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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-CR42TS

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

Part Number: ADO-41-115

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

Part Number: ADO-41-814

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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

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Glow Plug, Gold, Cadillac, Chevrolet, GMC, Diesel, Each

Part Number: ADO-72G

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Estimated Ship Date: Jan 19, 2026 if ordered today

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GLOW PLUG ASM,HTR COOL HTR

Part Number: ADO-89024901

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Estimated Ship Date: Jan 19, 2026 if ordered today

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

Part Number: ADO-41-816

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Estimated Ship Date: Jan 19, 2026 if ordered today

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

Part Number: ADO-41-942

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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

Part Number: ADO-C87

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Estimated Ship Date: Jan 19, 2026 if ordered today

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GLOW PLUG ASM-DSL ENG COMBUSTION AIR HTR

Part Number: ADO-12693207

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Estimated Ship Date: Jan 19, 2026 if ordered today

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GLOW PLUG ASM-DSL ENG COMBUSTION AIR HTR

Part Number: ADO-73G

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Estimated Ship Date: Jan 19, 2026 if ordered today

• $20 Summit Bucks
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