GMC Spark Plugs & Glow Plugs

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

Part Number: BCH-9660

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Special Order

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Tapered Seat, 0.431 in, Reach, Each

Part Number: ATL-685

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: ADO-41-834

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

USE NIP 4713

Part Number: NGK-97287

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

• Special Order

Glow Plug, Replacement, Chevrolet, GMC, Duramax, V8, Each

Part Number: SMP-GP124

Not Yet Reviewed

Spark Plug, Iridium TT, ITL16TT, 14mm Thread, 25.00mm Reach, Tapered Seat, Universal, Each

Part Number: DNP-4717

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

• Special Order

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

Part Number: DNP-5305

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, Double Platinum, 18mm Reach, 5/8 in. Hex, Tapered Seat, Resistor, Each

Part Number: NGK-7740

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: ADO-CR42TS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

USE NIP 5325

Part Number: NGK-97100

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Special Order

Spark Plugs, Iridium TT, Tapered Seat, 14mm Thread, 11.6mm Reach, Resistor, Each

Part Number: DNP-4716

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

• Special Order

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: Today

Glow Plug Controller, Isuzu/Cummins Diesel L6/Isuzu Diesel 4-Cylinder, Each

Part Number: SMP-RY1952

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Spark Plug, Iridium, Tapered Seat, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: CPN-9402

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, Iridium Long Life, ZTJ16VR10, 14mm Thread, 25.00mm Reach, Tapered Seat, Buick, Chevy, GMC, Hummer, Olds, Pontiac, Saturn, Each

Part Number: DNP-3539

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

• Special Order

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

Part Number: ATL-APP64

Not Yet Reviewed

Estimated Ship Date: Today

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 )

Glow Plug Straps, GM, Pickup, Duramax Diesel, Pair

Part Number: RNB-904-109

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: ADO-41-814

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, Platinum TT, PTF16TT, 14mm Thread, 11.60mm Reach, Tapered Seat, Universal, Each

Part Number: DNP-4509

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

• Special Order

Spark Plug, Laser Iridium, 12mm Thread, 25mm. Reach, Resistor, Tapered Seat, Each

Part Number: NGK-91970

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

• Special Order

Spark Plug, U-Groove, W16PR-U, 14mm Thread, 9.50mm Reach, Gasket Seat, Buick, Chevy, Chrysler, Dodge, GMC, Jeep, Olds, Plymouth, Pontiac, Each

Part Number: DNP-3037

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

• Special Order

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: Today

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

Part Number: NGK-94489

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

• Special Order

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

Part Number: ADO-72G

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

• Special Order