Summit Racing SpeedCard - learn how to get 10% back up to $100

Summit Racing SpeedCard - learn how to get 10% back up to $100

Haul in the Savings - Shop the Truck Savings Event Today!

ACDelco Conventional Resistor Spark Plugs

4.82 out of 5 stars 262 Customer Reviews

ACDelco conventional resistor spark plugs feature a design for reliability and efficient performance. These economical replacements remain ideal for many vehicles and marine applications. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance every time. The spark plugs are available in a variety of sizes and other options for universal and application-specific fitment. Order the model recommended for your vehicle.

Results 1 - 25 of 41

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

Part Number: ADO-R45TS

4.84 out of 5 stars ( 82 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-R45S

4.92 out of 5 stars ( 24 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-CR43TS

4.77 out of 5 stars ( 22 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-R44T

4.91 out of 5 stars ( 22 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Gasket Seat, 14mm Thread, Chevy, Chrysler, International

Part Number: ADO-R43S

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, AM General, Chevy, Dodge, Ford

Part Number: ADO-R43TS

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-R44TS

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-R44XLS

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-R45

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-MR43T

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-R44XL

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-R44LTS

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-R45TSX

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-R43XLS

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-R45XLS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-41-629

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-R44TX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-41-602

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-FR5LS

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-R46SZ

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 18mm Thread, Each

Part Number: ADO-R83TS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ADO-CR45TS

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

...Loading

Estimated Ship Date: Monday 9/22/2025

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.