CHEVROLET SILVERADO 3500 HD Spark Plugs & Glow Plugs

Spark Plug, RS12YC, Copper Plus, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-401

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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

Part Number: BCH-8104

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Spark Plug, OE Platinum, Gasket Seat, 14mm Thread, 17.5mm Reach, Resistor, Each

Part Number: BCH-6704

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, Double Iridium, Projected, 8 Heat Range, 25mm Reach, Tapered Seat, Cadillac, Chevy, GMC, Each

Part Number: BCH-96307

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, Platinum Power, 14mm Thread, .708 in. Reach, Resistor, Buick, Chevy, Oldsmobile, Isuzu, GMC, Each

Part Number: CPN-3015

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plugs, Platinum TT, Tapered Seat, 14mm Thread, 18mm Reach, Resistor, Each

Part Number: DNP-4511

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: ATL-5245

Not Yet Reviewed

Estimated Ship Date: Today

Glow Plug Controller, Duramax Diesel V8, Each

Part Number: SMP-RY1866

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Spark Plug, Iridium, Tapered Seat, 14mm Thread, 1 in. Reach, Each

Part Number: CPN-9777

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: SMP-GP124

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, Iridium Power, IT16, 14mm Thread, 18.00mm Reach, Tapered Seat, Universal, Each

Part Number: DNP-5325

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Spark Plug, Copper Core, Tapered Seat, 14mm Thread, 0.708 in. Reach, Resistor, Each

Part Number: ATL-5243

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: DNP-4717

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

GLOW PLUG ASM

Part Number: NAL-12639701

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

• Drop Ship
• Special Order

Spark Plug, Single Platinum, Platinum, 14mm Thread, 0.679 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-AP5245

Not Yet Reviewed

Estimated Ship Date: Today

GLOW PLUG

Part Number: ATL-1120

Not Yet Reviewed

• Special Order

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: Nov 25, 2025 if ordered today

• Special Order

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

Part Number: ATL-XP6043

Not Yet Reviewed

• Special Order

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

Part Number: ATL-XP5243

Not Yet Reviewed

• Special Order

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

Part Number: CPN-7015

Not Yet Reviewed

Estimated Ship Date: Today

Electrical Switches

Part Number: SMP-GP114

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Special Order

Glow Plug Controllers, Replacement, Chevrolet, GMC, Diesel, Each

Part Number: SMP-RY1970

Not Yet Reviewed

• Free Shipping
• Special Order

Spark Plug, Laser Iridium, Tapered Seat, 14mm Thread, 26.5mm Reach, Resistor, Each

Part Number: NGK-3474

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• Special Order

Glow Plug, Glow Plug

Part Number: BCH-0250403031

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

• Special Order

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

Part Number: ATL-APP6043

Not Yet Reviewed

• Special Order