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AC Delco®
R43S Professional Conventional Series Spark Plug, Sold individually

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$6.99
$12.88Save: $5.89(46%)
Manufacturer #R43S
Vehicle Info Required to Guarantee FitAdd Vehicle
Qty:
1

Highlights

Brand:
Notes:
13/16 in. hex size; Gasket seat style
Series:
Professional Conventional Series
Spark Plug Code:
R43S
Electrode Tip Material:
Nickel alloy Electrode Tip
Replaces OE Number:
5613090
Quantity Sold:
Sold individually
Warranty:
24-months or unlimited mile AC Delco limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Electrode Core Material:
Copper Electrode Core
Gap Size:
0.035 in.
Reach:
9.5 mm Reach
Thread Size:
14 mm thread size

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1900
All Submodels
All Engines
1BBL
1900
All Submodels
All Engines
1BBL
1900
All Submodels
All Engines
1BBL
1950-1962 Chevrolet Bel Air
Base
6 Cyl 3.8L
Gap .035
1952-1954 DeSoto Firedome
Base
8 Cyl 4.5L
2BBL, With HEMI Engine
Page 1 of 277 | Showing 1 - 5 of 1385 results

Product Information

ACDELCO CONVENTIONAL OE REPLACEMENT SPARK PLUG

Choose ACDelco’s Conventional OE replacement spark plug for reliable firing and superior protection against rust and carbon fouling. Established in 1899, ACDelco manufactures original GM parts and premium OE replacement parts for other brands in the automotive aftermarket.

  • Strictly manufactured to provide reliable function
  • Copper-core electrode optimizes heat transfer and protects against carbon fouling
  • Ground and center electrode sheathing made with nickel-chrome alloy to prevent rust
  • Widespread coverage includes most older models
  • Hot-tip insulator designed for hot, rapid firing
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Customer Reviews

easy ordering, processing and received the plugs faster than expected. I will bookmark this site for parts from now on!
Loren W.
VERIFIED PURCHASER
Purchased on Aug 22, 2023
The price was great and delivered very fast would recommend to anyone
Clifton T.
VERIFIED PURCHASER
Purchased on Jun 20, 2023
I love looking on carports I usually can find just what I need on this site. And the prices are good to.
Stevie B.
VERIFIED PURCHASER
Purchased on Nov 30, 2023