2004 GMC ACDelco Spark Plugs & Glow Plugs

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

Part Number: ADO-41-962

4.83 out of 5 stars ( 69 )

Estimated Ship Date: Monday 1/19/2026

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

Part Number: ADO-41-993

4.81 out of 5 stars ( 21 )

Estimated Ship Date: Monday 1/19/2026

Spark Plug, RAPIDFIRE Performance Platinum, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-6

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 1/19/2026

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Copper Core, Tapered Seat, 14mm Thread, One Ground Strap, Each

Part Number: ADO-MR43LTS

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 1/19/2026

Spark Plug, RAPIDFIRE Performance Platinum, Tapered Seat, 14mm Thread, 0.689 in. Reach, Resistor, Each

Part Number: ADO-14

4.52 out of 5 stars ( 25 )

Estimated Ship Date: Monday 1/19/2026

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

Part Number: ADO-R44LTS6

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/19/2026

Spark Plug, Platinum, 14mm Thread, 0.689 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ADO-41-983

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/19/2026

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

Part Number: ADO-R44LTSM

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

Spark Plug, RAPIDFIRE Performance Platinum, Tapered Seat, 14mm Thread, 25mm Reach, Resistor, Each

Part Number: ADO-17

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

Glow Plug, Replacement, GM, 6.6L Duramax, LB7, Each

Part Number: ADO-62G

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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

Part Number: ADO-41-979

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

Spark Plug, Iridium Tip, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-41-103

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/19/2026

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

Part Number: ADO-41-805

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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: Monday 1/19/2026