NAPA Auto Parts Genuine Parts Company
8 Fairfax St SE
Leesburg,  VA  20175
(703) 777-2055
Reserve Online Participant
Store Hours
Mon-Fri:7:30 AM-7:00 PM
Sat:8:00 AM-5:00 PM
Sun:9:00 AM-5:00 PM
This store has been geolocated for you.
Looking to get a repair done? Find an AutoCare Center

ACDelco Professional Conventional Spark Plug

ACDelco Professional Conventional Spark Plug

Part #: AC R43S
Line: ACDelco

This item is currently not at your store, but is available for order. Please call store to verify the specific location and delivery details for this item. Note that additional shipping charges may be required.

Requested quantity is not available. Please update the quantity below.

Features & Benefits

Warranty: Standard : 12 Months or 12,000 Miles Whichever Occurs First


ACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.


Brand ACDelco
Spark Plug Thread Size 14 mm
Seat Type Gasket
Electrode Core Material Copper
Manufacturer Part Number R43S
Spark Plug Reach 9.5 mm
VMRS Code 033003005
Spark Plug Seat Type Flat
Spark Plug Hex Size 13/16 in.
Quality Level Good
Hex Size 13/16 in
Spark Plug Heat Range NGK3

Safety Information

Vehicle Fitment Guide

Product Reviews