GMC 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

Not Yet Reviewed

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-4718

4.5 out of 5 stars ( 2 )

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

• $10 Summit Bucks

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

Part Number: ADO-41-814

Not Yet Reviewed

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

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

Part Number: CPN-823-1

5.0 out of 5 stars ( 1 )

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

• $25 Summit Bucks

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

Part Number: CPN-123

Not Yet Reviewed

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

• $25 Summit Bucks

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

Part Number: CPN-7015

Not Yet Reviewed

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

• $25 Summit Bucks

Spark Plugs, Platinum TT, Gasket Seat, 14mm Thread, 19mm Reach, Resistor, Each

Part Number: DNP-4501

Not Yet Reviewed

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

• $10 Summit Bucks

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

Part Number: CPN-304

Not Yet Reviewed

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

• $25 Summit Bucks

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

Part Number: BCH-6722

Not Yet Reviewed

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

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: Monday 3/23/2026 if shipped by air

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

Part Number: BCH-9616

Not Yet Reviewed

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

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

Part Number: BCH-6708

Not Yet Reviewed

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

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 )

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

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

Part Number: DNP-5338

Not Yet Reviewed

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

• $10 Summit Bucks