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Humber Spark Plugs

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4 RapidFire Performance Platinum Series Spark Plug, Sold individually
Part Number: AC4
Vehicle Info Required to Guarantee Fit
$10.99
Product Details
Notes : Projected insulator type; Gasket spark plug seat style; 0.81 in. wrench diameter; Single platinum electrode configurationSeries : RapidFire Performance Platinum SeriesSpark Plug Code : 4Electrode Tip Material : Platinum Electrode TipReplaces OE Number : 19307141Quantity 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 : 0.75 in. ReachGap Size : OE ReplacementThread Size : 14 mm thread size
SET-AC4-6 RapidFire Performance Platinum Series Spark Plug, Set of 6
Part Number: SET-AC4-6
Vehicle Info Required to Guarantee Fit
$34.99
Product Details
Series : RapidFire Performance Platinum SeriesSpark Plug Code : 4Electrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 6Warranty : 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 : 0.75 in. ReachGap Size : OE ReplacementThread Size : 14 mm thread size
R42XLS Professional Conventional Series Spark Plug, Sold individually
Part Number: APR42XLS
Vehicle Info Required to Guarantee Fit
$8.99
Product Details
Notes : 13/16 in. hex size; Gasket seat styleSeries : Professional Conventional SeriesSpark Plug Code : R42XLSElectrode Tip Material : Nickel alloy Electrode TipQuantity 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 : 19 mm ReachGap Size : 0.025 in.Thread Size : 14 mm thread size
SET-APR42XLS-6 Professional Conventional Series Spark Plug, Set of 6
Part Number: SET-APR42XLS-6
Vehicle Info Required to Guarantee Fit
$22.49
Product Details
Series : Professional Conventional SeriesSpark Plug Code : R42XLSElectrode Tip Material : Nickel alloy Electrode TipQuantity Sold : Set of 6Warranty : 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 : 19 mm ReachGap Size : 0.025 in.Thread Size : 14 mm thread size
R44XL Professional Conventional Series Spark Plug, Sold individually
Part Number: ACR44XL
Vehicle Info Required to Guarantee Fit
$8.99
Product Details
Notes : 13/16 in. hex size; Gasket seat styleSeries : Professional Conventional SeriesSpark Plug Code : R44XLElectrode Tip Material : Nickel alloy Electrode TipQuantity 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 : 19 mm ReachGap Size : 0.025 in.Thread Size : 14 mm thread size
SET-ACR44XL-6 Professional Conventional Series Spark Plug, Set of 6
Part Number: SET-ACR44XL-6
Vehicle Info Required to Guarantee Fit
$22.99
Product Details
Series : Professional Conventional SeriesSpark Plug Code : R44XLElectrode Tip Material : Nickel alloy Electrode TipQuantity Sold : Set of 6Warranty : 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 : 19 mm ReachGap Size : 0.025 in.Thread Size : 14 mm thread size
R44F Professional Conventional Series Spark Plug, Sold individually
Part Number: ACR44F
Vehicle Info Required to Guarantee Fit
$8.99
Product Details
Notes : 13/16 in. hex size; Gasket seat style; With aluminum headsSeries : Professional Conventional SeriesSpark Plug Code : R44FElectrode Tip Material : Nickel alloy Electrode TipReplaces OE Number : 5613525Quantity 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 : 12 mm ReachGap Size : 0.035 in.Thread Size : 14 mm thread size
SET-ACR44F-6 Professional Conventional Series Spark Plug, Set of 6
Part Number: SET-ACR44F-6
Vehicle Info Required to Guarantee Fit
$22.99
Product Details
Series : Professional Conventional SeriesSpark Plug Code : R44FElectrode Tip Material : Nickel alloy Electrode TipQuantity Sold : Set of 6Warranty : 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 : 12 mm ReachGap Size : 0.035 in.Thread Size : 14 mm thread size
R44XLS Professional Conventional Series Spark Plug, Sold individually
Part Number: ACR44XLS
Vehicle Info Required to Guarantee Fit
$8.99
Product Details
Notes : 13/16 in. hex size; Gasket seat styleSeries : Professional Conventional SeriesSpark Plug Code : R44XLSElectrode Tip Material : Nickel alloy Electrode TipQuantity 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 : 19 mm ReachGap Size : 0.025 in.Thread Size : 14 mm thread size
SET-ACR44XLS-6 Professional Conventional Series Spark Plug, Set of 6
Part Number: SET-ACR44XLS-6
Vehicle Info Required to Guarantee Fit
$22.99
Product Details
Series : Professional Conventional SeriesSpark Plug Code : R44XLSElectrode Tip Material : Nickel alloy Electrode TipQuantity Sold : Set of 6Warranty : 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 : 19 mm ReachGap Size : 0.025 in.Thread Size : 14 mm thread size
Page 1 of 1 | Showing 1 - 10 of 10 results

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Found parts cheaper than other places!
T Jay W.
VERIFIED PURCHASER

Product Questions & Answers

Q:I want a plug with a slightly higher heat range than stock. What do you have? Thanks, Trevor Dean Show Less
Trevor D.
A:BEST ANSWERHi Trevor, I'm pleased to assist you. I suggest calling our parts specialists at 1-866-529-0412 to provide the vehicle information so we can help you look for the right part. Have a nice day. Show less
Grace G.
 
1 Question, 1 AnswerView all Q&As >