GMC Spark Plugs & Glow Plugs

Spark Plug, Single Platinum, Platinum, 14mm Thread, 0.679 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-AP5245

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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 )

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• $20 Summit Bucks

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

Part Number: CPN-123

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Spark Plugs, Iridium Power, Gasket Seat, 14mm Thread, 19mm Reach, Resistor, Each

Part Number: DNP-5305

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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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• $20 Summit Bucks

Spark Plug, Copper Core, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: ATL-606

5.0 out of 5 stars ( 2 )

Spark Plugs, Iridium TT, Tapered Seat, 14mm Thread, 25mm Reach, Resistor, Each

Part Number: DNP-4718

4.5 out of 5 stars ( 2 )

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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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• $20 Summit Bucks

Spark Plug, OE Platinum, Resistor, 14mm Thread, 11.2mm Reach, Tapered Seat, Each

Part Number: BCH-6722

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Spark Plug, Double Platinum, 14mm Thread, 0.750 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-APP64

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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, J6C, Copper Core, 14mm Thread, .375in. Reach, Set

Part Number: CPN-823-1

5.0 out of 5 stars ( 1 )

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Spark Plug, Copper Core, Tapered Seat, 14mm Thread, 0.460 in. Reach, Resistor, Each

Part Number: ATL-147

5.0 out of 5 stars ( 1 )

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Spark Plug, OE Platinum, Gasket Seat, 14mm Thread, 11.2mm Reach, Resistor, Each

Part Number: BCH-6708

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Spark Plug, Double Platinum, Tapered, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: CPN-7015

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Spark Plug, Iridium TT, IW20TT, 14mm Thread, 19.00mm Reach, Gasket Seat, Universal, Each

Part Number: DNP-4709

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Spark Plug, Double Iridium, Non-Projected, 7 Heat Range, 25mm Reach, Tapered, Buick, Cadillac, Chevy, Ford, GMC, Jaguar, Lincoln, Mazda, Each

Part Number: BCH-96315

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Spark Plugs, Iridium Power, Tapered Seat, 14mm Thread, 25mm Reach, Resistor, Each

Part Number: DNP-5338

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Spark Plug, Double Iridium, Copper Core, Tapered Seat, 14mm Thread, 25mm Reach, Resistor, Each

Part Number: BCH-9616

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Spark Plug, RS9YC, Copper Plus, 14mm Thread, .689 in. Reach, Resistor, Each

Part Number: CPN-304

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Ir SparkPlug

Part Number: ATL-AI5263

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