GMC Spark Plugs & Glow Plugs

Spark Plug, Single Platinum, Platinum, 14mm Thread, 0.374 in. Reach, Gasket Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-AP85

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Spark Plug, RJ14YC, Copper Plus, 14mm Thread, .375 in. Reach, Resistor, Each

Part Number: CPN-63

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Glow Plugs, Gold, Chevrolet, GMC, 6.6L Diesel, Each

Part Number: ADO-63G

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Spark Plugs, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Set of 8

Part Number: ACC-8179

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Tapered Seat, 0.679 in, Reach, Each

Part Number: ATL-605

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: ADO-R43XLS

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7516

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Spark Plug, Standard Series, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. Reach, Projected Tip, Resistor

Part Number: NGK-6578

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Spark Plug, RV15YC4, Copper Plus, 14mm Thread, .460 in. Reach, Resistor, Each

Part Number: CPN-18

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, Standard Series, Gasket Seat, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: NGK-4922

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Spark Plug, Iridium Tip, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-41-101

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: CPN-3405

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $25 Summit Bucks

Spark Plug, C-Cut Ground Electrode, Tapered Seat, 14mm Thread .708 in. Reach, Projected, Resistor, Set of 4

Part Number: ACC-0526-4

4.95 out of 5 stars ( 20 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Spark Plug, Standard Series, Gasket Seat, 14mm Thread, .375 in. Reach, Resistor, Each

Part Number: NGK-3522

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Spark Plug, Iridium Tip, Tapered Seat, 14mm Thread, 0.984 in. Reach, Resistor, Each

Part Number: ADO-41-109

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: DNP-4719

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

• $10 Summit Bucks

Spark Plug, XP, Copper Core, Tapered Seat, 14mm Thread, 0.708 in. Reach, Projected Tip, Non-resistor, Each

Part Number: ATL-XP104

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Glow Plug, Inconel 601, 3.150 in. Length, AM General, Buick, Cadillac, Chevy, GMC, Hummer, Olds, Pontiac, Each

Part Number: BCH-0250202126

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Spark Plug, GP Platinum, 14mm Thread, .460 in. Reach, 5/8 in. Hex, Tapered Seat, Resistor, Each

Part Number: NGK-3207

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: ADO-41-828

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Spark Plug, Copper Core, Tapered Seat, 14mm Thread, .460 in. Reach, Non-Projected Tip, Resistor, Each

Part Number: ATL-145

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Spark Plug, Racing, Copper Core, Tapered Seat, 14mm Thread, 0.431 in. Reach, Each

Part Number: ATL-AR24

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7214

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: ADO-R43

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: ATL-XP605

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air