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Cadillac Series 70 Fleetwood Eldorado Spark Plugs

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R43S Professional Conventional Series Spark Plug, Sold individually
AC Delco®
R43S Professional Conventional Series Spark Plug, Sold individually
Part Number: ACR43S
Vehicle Info Required to Guarantee Fit
$6.99
Product Details
Notes : 13/16 in. hex size; Gasket seat styleSeries : Professional Conventional SeriesSpark Plug Code : R43SElectrode Tip Material : Nickel alloy Electrode TipReplaces OE Number : 5613090Quantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 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 CoreReach : 9.5 mm ReachGap Size : 0.035 in.Thread Size : 14 mm thread size
SET-ACR43S-8 Professional Conventional Series Spark Plug, Set of 8
AC Delco®
SET-ACR43S-8 Professional Conventional Series Spark Plug, Set of 8
Part Number: SET-ACR43S-8
Vehicle Info Required to Guarantee Fit
$26.49
Product Details
Series : Professional Conventional SeriesSpark Plug Code : R43SElectrode Tip Material : Nickel alloy Electrode TipQuantity Sold : Set of 8Warranty : 24-months or unlimited mile AC Delco limited warrantyProp 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 CoreReach : 9.5 mm ReachGap Size : 0.035 in.Thread Size : 14 mm thread size
6021 Standard Series Spark Plug, Sold individually
Denso®
6021 Standard Series Spark Plug, Sold individually
Part Number: NP6021
Vehicle Info Required to Guarantee Fit
$9.99
Product Details
Notes : 13/16 in. hex size; Projection tip; Removable nut terminal type; Gasket seat style; Machine rolled threads; U-Groove electrode configurationSeries : Standard SeriesSpark Plug Code : W14PR-UQuantity Sold : Sold individuallyWarranty : 1-year Denso limited WarrantyProp 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 CoreReach : 9.5 mm ReachGap Size : 0.7 mmHeat Range : 14Thread Size : 14 mm thread size
SET-NP6021-8 Standard Series Spark Plug, Set of 8
Denso®
SET-NP6021-8 Standard Series Spark Plug, Set of 8
Part Number: SET-NP6021-8
Vehicle Info Required to Guarantee Fit
$27.49
Product Details
Series : Standard SeriesSpark Plug Code : W14PR-UQuantity Sold : Set of 8Warranty : 1-year Denso limited WarrantyProp 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 CoreReach : 9.5 mm ReachGap Size : 0.7 mmHeat Range : 14Thread Size : 14 mm thread size
0437S-4 C-Cut Shorty Series Spark Plug, Set of 4
Accel®
0437S-4 C-Cut Shorty Series Spark Plug, Set of 4
Part Number: A350437S4
Vehicle Info Required to Guarantee Fit
$34.51
Product Details
Notes : 13/16 in. hex size; Projected tip; Gasket seat styleSeries : C-Cut Shorty SeriesSpark Plug Code : 0437SElectrode Tip Material : Copper Electrode TipQuantity Sold : Set of 4Warranty : 90-day Accel limited warrantyProp 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 CoreReach : 0.375 in. ReachGap Size : 0.035 in.Recommended Use : PerformanceHeat Range : 7Thread Size : 14 mm thread size
8197 C-Cut Series Spark Plug, Set of 8
Accel®
8197 C-Cut Series Spark Plug, Set of 8
Part Number: A358197
Vehicle Info Required to Guarantee Fit
$42.71
Product Details
Notes : 5/8 in. hex size; Projected tip; Gasket seat styleSeries : C-Cut SeriesSpark Plug Code : 8197Electrode Tip Material : Copper Electrode TipQuantity Sold : Set of 8Warranty : 90-day Accel limited warrantyProp 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 CoreReach : 0.375 in. ReachRecommended Use : PerformanceProduct Fit : Direct FitHeat Range : 7Thread Size : 14 mm thread size
41-833 Professional Platinum Series Spark Plug, Sold individually
AC Delco®
41-833 Professional Platinum Series Spark Plug, Sold individually
Part Number: AC41-833
Vehicle Info Required to Guarantee Fit
$14.49
Product Details
Series : Professional Platinum SeriesElectrode Tip Material : Platinum Electrode TipReplaces OE Number : 88901039Quantity Sold : Sold individuallyWarranty : 7-year or unlimited mile AC Delco warrantyProp 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 CoreReach : 0.375 in. ReachGap Size : OE Replacement
SET-AC41-833-8 Professional Platinum Series Spark Plug, Set of 8
AC Delco®
SET-AC41-833-8 Professional Platinum Series Spark Plug, Set of 8
Part Number: SET-AC41-833-8
Vehicle Info Required to Guarantee Fit
$63.99
Product Details
Series : Professional Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 8Warranty : 7-year or unlimited mile AC Delco warrantyProp 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 CoreReach : 0.375 in. ReachGap Size : OE Replacement
7 RapidFire Performance Platinum Series Spark Plug, Sold individually
AC Delco®
7 RapidFire Performance Platinum Series Spark Plug, Sold individually
Part Number: AP7
Vehicle Info Required to Guarantee Fit
$11.49
Product Details
Notes : Single platinum electrode configurationSeries : RapidFire Performance Platinum SeriesSpark Plug Code : 7Electrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 3 year, unlimited-mileage AC Delco warrantyProp 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 CoreReach : 0.375 in. ReachGap Size : OE Replacement
SET-AP7-8 RapidFire Performance Platinum Series Spark Plug, Set of 8
AC Delco®
SET-AP7-8 RapidFire Performance Platinum Series Spark Plug, Set of 8
Part Number: SET-AP7-8
Vehicle Info Required to Guarantee Fit
$40.49
Product Details
Series : RapidFire Performance Platinum SeriesSpark Plug Code : 7Electrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 8Warranty : 3 year, unlimited-mileage AC Delco warrantyProp 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 CoreReach : 0.375 in. ReachGap Size : OE Replacement
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Top Rated Products

AC Delco R43S Professional Conventional Series Spark Plug, Sold individually
$6.99( Review)
I love looking on carports I usually can find just what I need on this site. And the See More
Stevie B.
VERIFIED PURCHASER

Product Questions & Answers

AC Delco 7 RapidFire Performance Platinum Series Spark Plug, Sold individually
$11.49
Q:What’s the gap for these plugs I have a 67 impala 327 v-8 I’m putting them in? Show Less
Bryan S.
A:BEST ANSWERHi Bryan, I'm glad to assist you. Yes. It is already pre-gapped. It comes with a 1.01 mm (0.040 in) gap. Grab our sale price and click the link below to buy it today. Happy shopping! https://www.carparts.com/spark-plug/ac-delco/ap7?can=cpje1043_CSQA_20231102 Show less
Jeonino E.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

Why Won’t My Car Start?
Why Won’t My Car Start?Unfortunately, the answer isn’t always straightforward. You might be surprised to find out how many issues can potentially prevent your car from starting. Common Reasons Why Your Car Might Not Start
P0354 Code: Ignition Coil “D” Primary/Secondary Circuit
P0354 Code: Ignition Coil “D” Primary/Secondary CircuitThere are several types of ignition systems, including a distributor, coil pack, or coil on plug (COP) type systems. Typically, code P0354 is set in a COP system. There are several types of ignition systems, including a distributor, coil pack, or coil on plug (COP) type systems.
P0316 Code: Engine Misfire Detected on Startup (First 1000 Revolutions)
P0316 Code: Engine Misfire Detected on Startup (First 1000 Revolutions)Diagnostic trouble code (DTC) stands for “Engine Misfire Detected on Startup (First 1000 Revolutions).” Basically, if one or more of the engine’s cylinders misfires during the engine’s first 1,000 revolutions, the PCM sets code P0316.