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2013 Subaru WRX STI

2013 Subaru WRX STI Spark Plugs

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Spark Plug, .030 Gap, Sold individually, 4 Cyl 2.5L, Platinum Series -
Part Number: ALTAP5325
Guaranteed to Fit
$9.49
Vehicle Fitment
  • 2013 Subaru WRX STI Sport-tech 4 Cyl 2.5L .030 Gap
  • 2013 Subaru WRX STI Base 4 Cyl 2.5L .030 Gap
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; Flat Seat TypeElectrode 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 : 1 in. ReachSeries : Platinum SeriesGap Size : 0.04 in.Thread Size : 14 mm
Spark Plug, Sold individually, 4 Cyl 2.5L, Iridium Power Series -
Part Number: NP5344
Guaranteed to Fit
$15.49
Vehicle Fitment
  • 2013 Subaru WRX STI Sport-tech 4 Cyl 2.5L
  • 2013 Subaru WRX STI Base 4 Cyl 2.5L
Product Details
Notes : 5/8 in. hex size; Removable nut terminal type; Gasket seat style; ISO overall height; Machine rolled threads; 0.4 mm center electrode; Iridium power electrode configurationSpark Plug Code : IFR6D10Replaces OE Number : IKH20Quantity 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 : 26.5 mm ReachGap Size : 1.1 mmSeries : Iridium Power SeriesHeat Range : 20Thread Size : 14 mm thread size
Spark Plug, Set of 4, 4 Cyl 2.5L, Iridium Power Series -
Part Number: SET-NP5344-4
Guaranteed to Fit
$36.49
Vehicle Fitment
  • 2013 Subaru WRX STI Sport-tech 4 Cyl 2.5L
  • 2013 Subaru WRX STI Base 4 Cyl 2.5L
Product Details
Spark Plug Code : IFR6D10Quantity Sold : Set of 4Warranty : 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 : 26.5 mm ReachSeries : Iridium Power SeriesGap Size : 1.1 mmHeat Range : 20Thread Size : 14 mm thread size
Spark Plug, Do Not Gap, Gap is Preset; Original Equipment Is Iridium, Sold individually, 4 Cyl 2.5L, Double Iridium Series -
Part Number: BS96319
Guaranteed to Fit
$10.99
Vehicle Fitment
  • 2013 Subaru WRX STI Sport-tech 4 Cyl 2.5L Do Not Gap, Gap is Preset; Original Equipment Is Iridium
  • 2013 Subaru WRX STI Base 4 Cyl 2.5L Do Not Gap, Gap is Preset; Original Equipment Is Iridium
Product Details
Notes : (1) Ground Electrode; 16 mm Hex Size; 6000 Ohms Resistance; 4-Cycle Spark Plug Type; Nickel-Yttrium and Iridium Ground Electrode Tip; Standard Ground Electrode Tip; Projected Ceramic Insulator; Flat Seat Type; With ResistorElectrode Tip Material : Iridium 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 : CarParts EuroElectrode Core Material : Nickel-Yttrium, Copper, and Iridium-Platinum Electrode CoreReach : 26.5 mm ReachGap Size : 0.7 mmRecommended Use : OE ReplacementProduct Fit : Direct FitSeries : Double Iridium SeriesHeat Range : 6Thread Size : 14 mm
Spark Plug, Sold individually, 4 Cyl 2.5L, Iridium Long Life Series -
Part Number: NP3433
Guaranteed to Fit
$18.99
Vehicle Fitment
  • 2013 Subaru WRX STI Sport-tech 4 Cyl 2.5L
  • 2013 Subaru WRX STI Base 4 Cyl 2.5L
Product Details
Notes : 5/8 in. hex size; Projected tip; Solid terminal type; Gasket seat style; ISO overall height; Machine rolled threads; Iridium long life electrode configurationSpark Plug Code : SK20HPR-L11Electrode Tip Material : Iridium 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 : 26.5 mm ReachGap Size : 1.1 mmSeries : Iridium Long Life SeriesHeat Range : 20Thread Size : 14 mm thread size
Spark Plug, Set of 4, 4 Cyl 2.5L, Iridium Long Life Series -
Part Number: SET-NP3433-4
Guaranteed to Fit
$50.99
Vehicle Fitment
  • 2013 Subaru WRX STI Sport-tech 4 Cyl 2.5L
  • 2013 Subaru WRX STI Base 4 Cyl 2.5L
Product Details
Spark Plug Code : SK20HPR-L11Electrode Tip Material : Iridium Electrode TipQuantity Sold : Set of 4Warranty : 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 : 26.5 mm ReachSeries : Iridium Long Life SeriesGap Size : 1.1 mmHeat Range : 20Thread Size : 14 mm thread size
Spark Plug, Sold individually, 4 Cyl 2.5L, Iridium XP Series -
Part Number: ALTXP5325
Guaranteed to Fit
$14.99
Vehicle Fitment
  • 2013 Subaru WRX STI Sport-tech 4 Cyl 2.5L
  • 2013 Subaru WRX STI Base 4 Cyl 2.5L
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; Flat Seat TypeElectrode 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 : 1 in. ReachSeries : Iridium XP SeriesGap Size : 0.04 in.Thread Size : 14 mm
Spark Plug, Sold individually, 4 Cyl 2.5L, Platinum TT Series -
Part Number: NP4506
Guaranteed to Fit
$14.49
Vehicle Fitment
  • 2013 Subaru WRX STI Sport-tech 4 Cyl 2.5L
  • 2013 Subaru WRX STI Base 4 Cyl 2.5L
Product Details
Notes : 16 mm Hex Size; (1) Ground Electrode; Flat Seat Type; Titanium Enhanced Twin-Tip Ground Electrode Tip Design; Twin-Tip ConfigurationElectrode Tip Material : Platinum Electrode TipQuantity Sold : Sold individuallyWarranty : 1-year or 12,000-mile 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 : Nickel Copper Alloy Electrode CoreReach : 1.04 in. ReachGap Size : 0.04 in.Recommended Use : OE ReplacementSeries : Platinum TT SeriesHeat Range : 20Thread Size : 0.55 in.
Spark Plug, Set of 4, 4 Cyl 2.5L, Platinum TT Series -
Part Number: SET-NP4506-4
Guaranteed to Fit
$33.49
Vehicle Fitment
  • 2013 Subaru WRX STI Sport-tech 4 Cyl 2.5L
  • 2013 Subaru WRX STI Base 4 Cyl 2.5L
Product Details
Electrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 4Warranty : 1-year or 12,000-mile 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 : Nickel Copper Alloy Electrode CoreReach : 1.04 in. ReachSeries : Platinum TT SeriesGap Size : 0.04 in.Heat Range : 20Recommended Use : OE ReplacementThread Size : 0.55 in.
Spark Plug, Sold individually, 4 Cyl 2.5L, Ruthenium HX Series -
Part Number: NG93420
Guaranteed to Fit
$15.49
Vehicle Fitment
  • 2013 Subaru WRX STI Sport-tech 4 Cyl 2.5L
  • 2013 Subaru WRX STI Base 4 Cyl 2.5L
Product Details
Notes : 1.25 mm Thread Pitch; 16 mm Hex Size; 0.6 mm Extended Projection Fine Wire Ruthenium Center Electrode; 5000 Ohms Resistance; (1) Projected Square Platinum Ground Electrode; Gasket Seat Type; Solid Terminal TypeElectrode Tip Material : Ruthenium Electrode TipReplaces OE Number : 93420, SP196724AB, 948200606, 12788884, 1884508201, A0041591303, 22401AA630, 30751805, LR001394Quantity Sold : Sold individuallyWarranty : 60-day NGK 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 : 26.5 mm ReachGap Size : 0.03 in.Series : Ruthenium HX SeriesInterchange Part Number : 93420, SP196724AB, 948200606, 12788884, 1884508201, A0041591303, 22401AA630, 30751805, LR001394Heat Range : 6Thread Size : 14 mm thread size
Spark Plug, Gap 0.030in, Set of 4, 4 Cyl 2.5L, Ruthenium HX Series -
Part Number: SET-NG93420-4
Guaranteed to Fit
$47.99
Vehicle Fitment
  • 2013 Subaru WRX STI Sport-tech 4 Cyl 2.5L Gap 0.030in
  • 2013 Subaru WRX STI Base 4 Cyl 2.5L Gap 0.030in
Product Details
Electrode Tip Material : Ruthenium Electrode TipReplaces OE Number : 93420, SP196724AB, 948200606, 12788884, 1884508201, A0041591303, 22401AA630, 30751805, LR001394Quantity Sold : Set of 4Warranty : 60-day NGK 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 : 26.5 mm ReachGap Size : 0.03 in.Series : Ruthenium HX SeriesInterchange Part Number : 93420, SP196724AB, 948200606, 12788884, 1884508201, A0041591303, 22401AA630, 30751805, LR001394Heat Range : 6Thread Size : 14 mm thread size
Spark Plug, Gap 0.040, Sold individually, 2.5L, Iridium TT Series -
Part Number: NP4704
Guaranteed to Fit
$17.49
Vehicle Fitment
  • 2013 Subaru WRX STI Sport-tech 4 Cyl 2.5L Gap 0.040
  • 2013 Subaru WRX STI Base 4 Cyl 2.5L Gap 0.040
Product Details
Notes : 16 mm Hex Size; (1) Ground Electrode; Flat Seat Type; Platinum Twin-Tip Ground Electrode Tip Design; Twin-Tip ConfigurationElectrode Tip Material : Iridium-Rhodium Alloy Electrode TipReplaces OE Number : 31286359, 31312691, 31293000Quantity Sold : Sold individuallyWarranty : 1-year or 12,000-mile 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 : Nickel Copper Alloy Electrode CoreReach : 1.04 in. ReachGap Size : 0.04 in.Recommended Use : OE ReplacementProduct Fit : Direct FitSeries : Iridium TT SeriesInterchange Part Number : 31286359, 31312691, 31293000Heat Range : 20Thread Size : 0.55 in.
Spark Plug, Set of 4, 4 Cyl 2.5L, Iridium TT Series -
Part Number: SET-NP4704-4
Guaranteed to Fit
$41.99
Vehicle Fitment
  • 2013 Subaru WRX STI Sport-tech 4 Cyl 2.5L
  • 2013 Subaru WRX STI Base 4 Cyl 2.5L
Product Details
Electrode Tip Material : Iridium-Rhodium Alloy Electrode TipReplaces OE Number : 31286359, 31312691, 31293000Quantity Sold : Set of 4Warranty : 1-year or 12,000-mile 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 : Nickel Copper Alloy Electrode CoreReach : 1.04 in. ReachGap Size : 0.04 in.Recommended Use : OE ReplacementProduct Fit : Direct FitSeries : Iridium TT SeriesInterchange Part Number : 31286359, 31312691, 31293000Heat Range : 20Thread Size : 0.55 in.
Spark Plug, Gap .032, Sold individually, 4 Cyl 2.5L, RapidFire Performance Platinum Series -
Part Number: AC21
Guaranteed to Fit
$13.99
Vehicle Fitment
  • 2013 Subaru WRX STI Sport-tech 4 Cyl 2.5L Gap .032
  • 2013 Subaru WRX STI Base 4 Cyl 2.5L Gap .032
Product Details
Notes : 16 mm Hex Size; 2.05 in. Insulator Height; (1) Ground Electrode Quantity; Flat Seat TypeElectrode Tip Material : Platinum 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.

Reach : 1.04 in. ReachSeries : RapidFire Performance Platinum SeriesGap Size : 0.05 in.Heat Range : 8Thread Size : 14 mm thread size
Spark Plug, Gap .032, Set of 4, 4 Cyl 2.5L, RapidFire Performance Platinum Series -
Part Number: SET-AC21-4
Guaranteed to Fit
$28.99
Vehicle Fitment
  • 2013 Subaru WRX STI Sport-tech 4 Cyl 2.5L Gap .032
  • 2013 Subaru WRX STI Base 4 Cyl 2.5L Gap .032
Product Details
Electrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 4Warranty : 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.

Reach : 1.04 in. ReachSeries : RapidFire Performance Platinum SeriesGap Size : 0.05 in.Heat Range : 8Thread Size : 14 mm thread size
Page 1 of 2 | Showing 1 - 15 of 18 results

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Product Questions & Answers

Q:Are these preset ?
Cee-mykell
A:BEST ANSWERHi Cee, thank you for reaching out. If you are referring to the preset gap? If so, then yes. You can click the link below to order the set while stocks last. Have a good one! https://www.carparts.com/spark-plug/ac-delco/set-ac21-4?can=cpab2020_csqa_20230520 Show less
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Q:Do all spark plugs has to be changed at the same time??
Rodney T.
A:BEST ANSWERHi Rodney, I'm pleased to assist you. Yes, as a general rule, it's better to replace all plugs at the same time to ensure consistent levels of performance. Click the link below to continue ordering at a discounted offer today, while supplies last. I hope this helps. Enjoy your CP shopping experience! https://www.carparts.com/spark-plug/ac-delco/ac21?can=CPGG4850_CSQA_20230410 Show less
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