ACDelco Spark Plugs & Glow Plugs

Spark Plug, RAPIDFIRE Performance Platinum, Platinum Tip, Nickel Copper Alloy Core, Flat Seat, 16mm Wrench Diameter, One Ground Strap, Each

Part Number: ADO-21

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

• $20.00 Summit Bucks

Spark Plug, Iridium Tip, Copper Core, Gasket Seat, 16mm Wrench Diameter, One Ground Strap, 0.748 in. Reach, Each

Part Number: ADO-41-122

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

• $20.00 Summit Bucks

Spark Plug, Iridium Tip, Tapered Seat, 14mm Thread, 0.708 in. Reach, Resistor, Each

Part Number: ADO-41-100

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

• $20.00 Summit Bucks