Spark Plugs & Glow Plugs

Glow Plug, Replacement, GM, 6.6L Duramax, LLY, LBZ, LMM, LGH, LML, Each

Part Number: ADO-9G

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Spark Plug, Resistor, Nickel Tip, Copper Core, 14mm Thread Size, 0.750 in. Reach, Gasket Seat, Set of 24

Part Number: CPN-71S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

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

Part Number: ADO-63G

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Spark Plug, RC14YC, Copper Plus, Flat Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Set of 24

Part Number: CPN-431S

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Spark Plug, 3X, Copper Plus, Gasket Seat, 7/8-18 Thread, .813 in. Reach, Non-Resistor, Each

Part Number: CPN-429

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Spark Plugs, Copper Plus, 14mm Thread, .460 in. Reach, Resistor, Set of 24

Part Number: CPN-18S

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Spark Plug, Resistor, Nickel Tip, Copper Core, 14mm Thread Size, 0.689 in. Reach, Tapered Seat, Set of 24

Part Number: CPN-401S

Not Yet Reviewed

Estimated Ship Date: Nov 28, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Spark Plug, Copper Plus, Copper, 14mm Thread, 0.441 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Set of 24

Part Number: CPN-406S

Not Yet Reviewed

Estimated Ship Date: Nov 28, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

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

Part Number: ADO-72G

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Spark Plug, J19LM, Copper Plus, 14mm Thread, .375in. Reach, Set

Part Number: CPN-861S

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

USE AUP 2976

Part Number: CPN-853S

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

USE AUP 64

Part Number: CPN-302S

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Spark Plug, Resistor, Nickel Tip, Copper Core, 14mm Thread Size, 0.375 in. Reach, Gasket Seat, Each

Part Number: CPN-573

Not Yet Reviewed

• $20.00 Summit Bucks
• Special Order

71S

Part Number: CPN-71GS

Not Yet Reviewed

• $20.00 Summit Bucks
• Special Order

Spark Plug, Copper Plus, Copper, 14mm Thread, 0.438 in. Reach, Flat Seat, 13/16 in. Wrench Size, Set of 24

Part Number: CPN-844S

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Spark Plug, Copper Plus, Copper, 14mm Thread, 0.375 in. Reach, Flat Seat, 3/4 in. Wrench Size, Set of 24

Part Number: CPN-858S

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Spark Plug, Tapered Seat, 1/2 in. NPT Thread, 15/16 in. Hex, 0.940 in. Reach, Non-Resistor, Each

Part Number: CPN-425

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Spark Plug, Industrial, Nickel Copper Alloy, 7/8-18 in. Thread, 0.625 in. Reach, Flat Seat, 15/16 in. Wrench Size, Each

Part Number: CPN-562

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Spark Plug, Industrial, Nickel Copper Alloy, 18mm Thread, 0.500 in. Reach, Flat Seat, 7/8 in. Wrench Size, Each

Part Number: CPN-625

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

USE AUP 2976

Part Number: CPN-848S

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Spark Plug, Double Platinum, Copper Core, Gasket Seat, 14mm Wrench Diameter, One Ground Strap, Each

Part Number: ADO-19316339

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

GLOW PLUG ASM-DSL ENG COMBUSTION AIR HTR

Part Number: ADO-71G

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

USE AUP 64

Part Number: CPN-322S

Not Yet Reviewed

Estimated Ship Date: Nov 28, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Spark Plug, RA8HC, Copper Core, 12mm Thread, .750in. Reach, Resistor, Set

Part Number: CPN-810S

Not Yet Reviewed

Estimated Ship Date: Nov 28, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Spark Plug, Copper Plus, Copper, 14mm Thread, 0.500 in. Reach, Flat Seat, 13/16 in. Wrench Size, Set of 24

Part Number: CPN-821S

Not Yet Reviewed

Estimated Ship Date: Nov 28, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order