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1998 GMC C3500
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1998 GMC C3500

1998 GMC C3500 Spark Plugs

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Platinum Series Spark Plug, Sold individually
Autolite®
Platinum Series Spark Plug, Sold individually
Part Number: ALTAP104
Guaranteed to Fit
$10.49
Vehicle Fitment
  • 1998 GMC C3500 Sierra SL 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLE 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLT 8 Cyl 5.7L
Product Details
Notes : 5000 82 Resistance; 5/8 in. Hex Size; (1) Ground Electrode Quantity; Standard Center Electrode Design; Mid Projection Tip Configuration; Stud Electrical Terminal Type; Nickel Ground Electrode Core Material; Tapered Ground Electrode Tip Design; Nickel Ground Electrode Tip Material; Ceramic Insulator Material; Tapered Seat TypeSeries : Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 4-year Autolite 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 : 0.68 in. ReachGap Size : 0.05 in.Thread Size : 14 mm
Iridium XP Series Spark Plug, Sold individually
Autolite®
Iridium XP Series Spark Plug, Sold individually
Part Number: ALTXP104
Guaranteed to Fit
$13.49
Vehicle Fitment
  • 1998 GMC C3500 Sierra SL 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLE 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLT 8 Cyl 5.7L
Product Details
Notes : 5000 82 Resistance; 5/8 in. Hex Size; (1) Ground Electrode Quantity; Fine Wire Center Electrode Design; Mid Projection Tip Configuration; Stud Electrical Terminal Type; Nickel Ground Electrode Core Material; Tapered Ground Electrode Tip Design; Platinum Ground Electrode Tip Material; Ceramic Insulator Material; Tapered Seat TypeSeries : Iridium XP SeriesElectrode Tip Material : Iridium Electrode TipQuantity Sold : Sold individuallyWarranty : Lifetime Autolite 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 : 0.68 in. ReachGap Size : 0.05 in.Thread Size : 14 mm
Professional Platinum Series Spark Plug, Sold individually
AC Delco®
Professional Platinum Series Spark Plug, Sold individually
Part Number: AC41-979
Guaranteed to Fit
$13.49
Vehicle Fitment
  • 1998 GMC C3500 Sierra SLE 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SL 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SLT 8 Cyl 7.4L
Product Details
Series : Professional Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity 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 CoreGap Size : OE Replacement
Platinum Series Spark Plug, Sold individually
Autolite®
Platinum Series Spark Plug, Sold individually
Part Number: ALTAP605
Guaranteed to Fit
$2.99
Vehicle Fitment
  • 1998 GMC C3500 Sierra SLE 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SLT 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SL 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SL 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLE 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLT 8 Cyl 5.7L
Product Details
Notes : 4000 82 Resistance; 5/8 in. Hex Size; (1) Ground Electrode Quantity; Standard Center Electrode Design; Mid Projection Tip Configuration; Stud Electrical Terminal Type; Nickel Ground Electrode Core Material; Tapered Ground Electrode Tip Design; Nickel Ground Electrode Tip Material; Ceramic Insulator Material; Tapered Seat TypeSeries : Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 4-year Autolite 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 : 0.68 in. ReachGap Size : 0.06 in.Thread Size : 14 mm
Platinum Series Spark Plug, Sold individually
Bosch®
Platinum Series Spark Plug, Sold individually
Part Number: BS6703
Guaranteed to Fit
$3.99
Vehicle Fitment
  • 1998 GMC C3500 Sierra SL 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLE 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLT 8 Cyl 5.7L
Product Details
Notes : 1.25 mm Thread Pitch; 16 mm Hex Size; Gasket Seat Type; Removable Nut Terminal Type; 0.6 mm Center Electrode Size; Fine Wire Type; Projected; (1) Standard; Taper-Cut Shape; With ResistorSeries : Platinum SeriesElectrode Tip Material : Nickel alloy Electrode TipQuantity Sold : Sold individuallyWarranty : 1-year Bosch 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.

Promotions : European Vehicle PartsElectrode Core Material : Platinum Electrode CoreReach : 17.5 mm ReachGap Size : 1.5 mmHeat Range : 9Thread Size : 14 mm
Iridium XP Series Spark Plug, Sold individually
Autolite®
Iridium XP Series Spark Plug, Sold individually
Part Number: ALTXP605
Guaranteed to Fit
$5.99
Vehicle Fitment
  • 1998 GMC C3500 Sierra SLE 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SLT 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SL 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SL 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLE 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLT 8 Cyl 5.7L
Product Details
Notes : 4000 82 Resistance; 5/8 in. Hex Size; (1) Ground Electrode Quantity; Fine Wire Center Electrode Design; Mid Projection Tip Configuration; Stud Electrical Terminal Type; Nickel Ground Electrode Core Material; Tapered Ground Electrode Tip Design; Platinum Ground Electrode Tip Material; Ceramic Insulator Material; Tapered Seat TypeSeries : Iridium XP SeriesElectrode Tip Material : Iridium Electrode TipQuantity Sold : Sold individuallyWarranty : Lifetime Autolite 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 : 0.68 in. ReachGap Size : 0.06 in.Thread Size : 14 mm
Professional Conventional Series Spark Plug, Sold individually
AC Delco®
Professional Conventional Series Spark Plug, Sold individually
Part Number: ACR42LTS
Guaranteed to Fit
$10.49
Vehicle Fitment
  • 1998 GMC C3500 Sierra SLT 8 Cyl 5.7L FI, CNG
  • 1998 GMC C3500 Sierra SL 8 Cyl 5.7L FI, CNG
  • 1998 GMC C3500 Sierra SLE 8 Cyl 5.7L FI, CNG
Product Details
Notes : 5/8 in. hex size; Tapered seat styleSeries : Professional Conventional SeriesSpark Plug Code : R42LTSElectrode 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 : 17.55 mm ReachGap Size : 0.032 in.Thread Size : 14 mm thread size
Professional Conventional Series Spark Plug, Set of 8
AC Delco®
Professional Conventional Series Spark Plug, Set of 8
Part Number: SET-ACR42LTS-8
Guaranteed to Fit
$28.99
Vehicle Fitment
  • 1998 GMC C3500 Sierra SL 8 Cyl 5.7L FI, CNG
  • 1998 GMC C3500 Sierra SLE 8 Cyl 5.7L FI, CNG
  • 1998 GMC C3500 Sierra SLT 8 Cyl 5.7L FI, CNG
Product Details
Series : Professional Conventional SeriesSpark Plug Code : R42LTSElectrode 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 : 17.55 mm ReachGap Size : 0.032 in.Thread Size : 14 mm thread size
Professional Conventional Series Spark Plug, Sold individually
AC Delco®
Professional Conventional Series Spark Plug, Sold individually
Part Number: ACR44LTS6
Guaranteed to Fit
$8.49
Vehicle Fitment
  • 1998 GMC C3500 Sierra SLE 8 Cyl 7.4L FI
  • 1998 GMC C3500 Sierra SLT 8 Cyl 7.4L FI
  • 1998 GMC C3500 Sierra SL 8 Cyl 7.4L FI
  • 1998 GMC C3500 Sierra SL 8 Cyl 5.7L FI, GAS
  • 1998 GMC C3500 Sierra SLE 8 Cyl 5.7L FI, GAS
  • 1998 GMC C3500 Sierra SLT 8 Cyl 5.7L FI, GAS
Product Details
Notes : 5/8 in. hex size; Tapered seat styleSeries : Professional Conventional SeriesSpark Plug Code : R44LTS6Electrode 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 : 17.55 mm ReachGap Size : 0.06 in.Thread Size : 14 mm thread size
Professional Conventional Series Spark Plug, Set of 8
AC Delco®
Professional Conventional Series Spark Plug, Set of 8
Part Number: SET-ACR44LTS6-8
Guaranteed to Fit
$26.49
Vehicle Fitment
  • 1998 GMC C3500 Sierra SLE 8 Cyl 7.4L FI
  • 1998 GMC C3500 Sierra SL 8 Cyl 7.4L FI
  • 1998 GMC C3500 Sierra SLT 8 Cyl 7.4L FI
  • 1998 GMC C3500 Sierra SL 8 Cyl 5.7L FI, GAS
  • 1998 GMC C3500 Sierra SLE 8 Cyl 5.7L FI, GAS
  • 1998 GMC C3500 Sierra SLT 8 Cyl 5.7L FI, GAS
Product Details
Series : Professional Conventional SeriesSpark Plug Code : R44LTS6Electrode 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 : 17.55 mm ReachGap Size : 0.06 in.Thread Size : 14 mm thread size
RapidFire Performance Platinum Series Spark Plug, Sold individually
AC Delco®
RapidFire Performance Platinum Series Spark Plug, Sold individually
Part Number: AC14
Guaranteed to Fit
$4.49
Vehicle Fitment
  • 1998 GMC C3500 Sierra SLT 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SL 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLE 8 Cyl 5.7L
Product Details
Notes : 5/8 in. hex size; Tapered spark plug seat style; Nickel Alloy ground electrode core material; Single platinum electrode configurationSeries : RapidFire Performance Platinum SeriesSpark Plug Code : 14Electrode Tip Material : Platinum Electrode TipReplaces OE Number : 19308033Quantity 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 : 0.68 in. ReachGap Size : 0.062 in.Thread Size : 14 mm thread size
RapidFire Performance Platinum Series Spark Plug, Set of 8
AC Delco®
RapidFire Performance Platinum Series Spark Plug, Set of 8
Part Number: SET-AC14-8
Guaranteed to Fit
$38.99
Vehicle Fitment
  • 1998 GMC C3500 Sierra SL 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLE 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLT 8 Cyl 5.7L
Product Details
Series : RapidFire Performance Platinum SeriesSpark Plug Code : 14Electrode 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 : 0.68 in. ReachGap Size : 0.062 in.Thread Size : 14 mm thread size
Platinum TT Series Spark Plug, Sold individually
Denso®
Platinum TT Series Spark Plug, Sold individually
Part Number: NP4511
Guaranteed to Fit
$11.99
Vehicle Fitment
  • 1998 GMC C3500 Sierra SLT 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SLT 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLE 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SL 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SL 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLE 8 Cyl 5.7L
Product Details
Notes : 5/8 in. hex size; Solid terminal type; Tapered seat style; Twin tip design; Titanium enhanced ground electrode; Machine rolled threadsSeries : Platinum TT SeriesSpark Plug Code : PT16TTElectrode Tip Material : Platinum Electrode TipQuantity 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 : 18 mm ReachGap Size : 1 mmHeat Range : 16Thread Size : 14 mm thread size
Platinum TT Series Spark Plug, Set of 8
Denso®
Platinum TT Series Spark Plug, Set of 8
Part Number: SET-NP4511-8
Guaranteed to Fit
$40.49
Vehicle Fitment
  • 1998 GMC C3500 Sierra SLT 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SLT 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLE 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SL 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SL 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLE 8 Cyl 5.7L
Product Details
Series : Platinum TT SeriesSpark Plug Code : PT16TTElectrode Tip Material : Platinum Electrode TipQuantity 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 : 18 mm ReachGap Size : 1 mmHeat Range : 16Thread Size : 14 mm thread size
Platinum TT Series Spark Plug, Set of 10
Denso®
Platinum TT Series Spark Plug, Set of 10
Part Number: SET-NP4511-10
Guaranteed to Fit
$47.49
Vehicle Fitment
  • 1998 GMC C3500 Sierra SLT 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SLT 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLE 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SL 8 Cyl 7.4L
  • 1998 GMC C3500 Sierra SL 8 Cyl 5.7L
  • 1998 GMC C3500 Sierra SLE 8 Cyl 5.7L
Product Details
Series : Platinum TT SeriesSpark Plug Code : PT16TTElectrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 10Warranty : 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 : 18 mm ReachGap Size : 1 mmHeat Range : 16Thread Size : 14 mm thread size
Page 1 of 4 | Showing 1 - 15 of 60 results

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AC Delco Professional Conventional Series Spark Plug, Set of 8
$28.99( Review)
Works great
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Product Questions & Answers

Denso Platinum TT Series Spark Plug, Set of 8
$40.49
Q:Are these spark plugs calibrated?
Gerardo T.
A:BEST ANSWERHi Gerardo, thank you for reaching out. Yes, they are. You can click the link below to order the set while stocks last. Have a good one! https://www.carparts.com/spark-plug/denso/set-np4511-8?can=cpab2020_csqa_20230615 Show less
Andrew B.
 
3 Questions, 1 AnswerView all Q&As >
Denso Platinum TT Series Spark Plug, Sold individually
$11.99
Q:Gap size right for a 2009 f150 FX4?
Derek G.
A:BEST ANSWERHi Derek, I'm glad to assist you. As noted in the details, it has a 1mm pre-gap. If your car appears in the vehicle fitment information below (year, make, model, submodel, and engine size), it is a guaranteed fit part. Grab our price-cut promo and click the link below to buy it today. Happy shopping! https://www.carparts.com/spark-plug/denso/np4511?can=cpje1043_CSQA_20231110 Show less
Jeonino E.
 
3 Questions, 1 AnswerView all Q&As >