GMC Spark Plugs & Glow Plugs

Spark Plug, J8C, Copper Plus, 14mm Thread, .375in. Reach, Set

Part Number: CPN-841S

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Spark Plug, RJ6C, Copper Plus, 14mm Thread, .380 in. Reach, Resistor, Chevy, International, Each

Part Number: CPN-102

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Estimated Ship Date: Jan 5, 2026 if ordered today

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

Part Number: CPN-120

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 5, 2026 if ordered today

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Spark Plug, Copper Plus, Tapered Seat, 14mm Thread, .441 in. Reach, Each

Part Number: CPN-400

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Spark Plug, RE7PYP6, Double Platinum, Tapered Seat, 14mm Thread, 0.984 in. Reach, Resistor, Each

Part Number: CPN-7437

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Spark Plug, Iridium, Gasket Seat, 14mm Thread, .689in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-9808

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Spark Plug, Iridium XP, Iridium, 14mm Thread, 0.982 in. Reach, Tapered Seat, 16mm Wrench Size, Each

Part Number: ATL-XP5863

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Spark Plug, XP Xtreme Performance, Iridium, 14mm Thread, 0.708 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-XP606

5.0 out of 5 stars ( 1 )

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Spark Plug, Iridium XP, Iridium, 14mm Thread, 0.433 in. Reach, Tapered Seat, 16mm Wrench Size, Each

Part Number: ATL-XP666

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Spark Plug, Double Iridium, Copper Core, Tapered Seat, 14mm Thread, 17.5mm Reach, Resistor, Each

Part Number: BCH-9612

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Diesel Glow Plug, Autolite 1107 Glow Plug

Part Number: ATL-1107

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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 21, 2026 if ordered today

• $20 Summit Bucks
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Spark Plug, Iridium, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-9804

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Spark Plug, XP Xtreme Performance, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. Reach, Resistor, Each

Part Number: ATL-XP63

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OE Iridium, 14mm thread, 25mm reach, 5/8" hex, tapered, solid

Part Number: NGK-96329

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Spark Plug, G-Power Platinum, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-3351

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 26, 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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

• $20 Summit Bucks
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Spark Plug, Professional, Platinum Tip, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-41-908

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Estimated Ship Date: Jan 20, 2026 if ordered today

• $20 Summit Bucks
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Spark Plug, Iridium IX, 12mm Thread, 0.984 in. Reach, 8 Heat Range, 14mm Wrench Size, LNAR8AIX-P, Each

Part Number: NGK-97977

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, 1.000 in. Reach, Non-Projected Tip, Resistor, Each

Part Number: NGK-90198

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Estimated Ship Date: Mar 2, 2026 if ordered today

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

Part Number: ADO-41-810

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Estimated Ship Date: Jan 22, 2026 if ordered today

• $20 Summit Bucks
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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 22, 2026 if ordered today

• $20 Summit Bucks
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Spark Plug, Iridium, Tapered Seat, 14mm Thread, 0.984 in. Reach, Resistor, Each

Part Number: CPN-9901

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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