GMC R2500 Autolite Spark Plugs & Glow Plugs

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

Part Number: ATL-AR25

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/27/2026 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 4/27/2026 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 4/27/2026 if shipped by air

Spark Plug, Iridium XP Enhanced Alloy, Resistor, 14mm x 1.25, Tapered Seat, 0.431 in, Reach, Each

Part Number: ATL-XP24

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Glow Plug, Stainless Steel, 1.875 in. Length, Chevy, GMC, 6.5L Diesel, Each

Part Number: ATL-1110

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air