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GMC C25 Suburban Spark Plugs

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4509 Platinum TT Series Spark Plug, Sold individually
Denso®
4509 Platinum TT Series Spark Plug, Sold individually
Part Number: NP4509
Vehicle Info Required to Guarantee Fit
$10.49
Product Details
Notes : 5/8 in. hex size; Solid terminal type; Gasket seat style; Twin tip design; Titanium enhanced ground electrode; Machine rolled threadsSeries : Platinum TT SeriesSpark Plug Code : PTF16TTElectrode 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 : 11.6 mm ReachGap Size : 1 mmHeat Range : 16Thread Size : 14 mm thread size
SET-NP4509-6 Platinum TT Series Spark Plug, Set of 6
Denso®
SET-NP4509-6 Platinum TT Series Spark Plug, Set of 6
Part Number: SET-NP4509-6
Vehicle Info Required to Guarantee Fit
$31.49
Product Details
Series : Platinum TT SeriesSpark Plug Code : PTF16TTElectrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 6Warranty : 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 : 11.6 mm ReachGap Size : 1 mmHeat Range : 16Thread Size : 14 mm thread size
SET-NP4509-8 Platinum TT Series Spark Plug, Set of 8
Denso®
SET-NP4509-8 Platinum TT Series Spark Plug, Set of 8
Part Number: SET-NP4509-8
Vehicle Info Required to Guarantee Fit
$38.49
Product Details
Series : Platinum TT SeriesSpark Plug Code : PTF16TTElectrode 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 : 11.6 mm ReachGap Size : 1 mmHeat Range : 16Thread Size : 14 mm thread size
4715 Iridium TT Series Spark Plug, Sold individually
Denso®
4715 Iridium TT Series Spark Plug, Sold individually
Part Number: NP4715
Vehicle Info Required to Guarantee Fit
$14.49
Product Details
Notes : 16 mm Hex Size; (1) Ground Electrode; Tapered Seat Type; Platinum Twin-Tip Ground Electrode Tip Design; Twin-Tip ConfigurationSeries : Iridium TT SeriesElectrode Tip Material : Iridium-Rhodium Alloy 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 : 0.46 in. ReachGap Size : 0.04 in.Recommended Use : OE ReplacementHeat Range : 16Thread Size : 0.55 in.
41-817 Professional Platinum Series Spark Plug, Sold individually
AC Delco®
41-817 Professional Platinum Series Spark Plug, Sold individually
Part Number: AC41-817
Vehicle Info Required to Guarantee Fit
$14.99
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
SET-AC41-817-8 Professional Platinum Series Spark Plug, Set of 8
AC Delco®
SET-AC41-817-8 Professional Platinum Series Spark Plug, Set of 8
Part Number: SET-AC41-817-8
Vehicle Info Required to Guarantee Fit
$63.49
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 CoreGap Size : OE Replacement
41-803 Professional Platinum Series Spark Plug, Sold individually
AC Delco®
41-803 Professional Platinum Series Spark Plug, Sold individually
Part Number: AC41-803
Vehicle Info Required to Guarantee Fit
$13.99
Product Details
Notes : 14 mm headSeries : 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 CoreReach : 11.2 mm ReachGap Size : 0.045 in.Thread Size : 14 mm thread size
SET-AC41-803-6 Professional Platinum Series Spark Plug, Set of 6
AC Delco®
SET-AC41-803-6 Professional Platinum Series Spark Plug, Set of 6
Part Number: SET-AC41-803-6
Vehicle Info Required to Guarantee Fit
$47.99
Product Details
Series : Professional Platinum SeriesElectrode Tip Material : Platinum Electrode TipQuantity Sold : Set of 6Warranty : 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 : 11.2 mm ReachGap Size : 0.045 in.Thread Size : 14 mm thread size
0276S-4 C-Cut Shorty Series Spark Plug, Set of 4
Accel®
0276S-4 C-Cut Shorty Series Spark Plug, Set of 4
Part Number: A350276S4
Vehicle Info Required to Guarantee Fit
$29.55
Product Details
Notes : 5/8 in. hex size; Projected tip; Tapered seat styleSeries : C-Cut Shorty SeriesSpark Plug Code : 0276SElectrode 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 : 0.46 in. ReachGap Size : 0.035 in.Recommended Use : PerformanceHeat Range : 6Thread Size : 14 mm thread size
R45TX Professional Conventional Series Spark Plug, Sold individually
AC Delco®
R45TX Professional Conventional Series Spark Plug, Sold individually
Part Number: ACR45TX
Vehicle Info Required to Guarantee Fit
$6.49
Product Details
Notes : 5/8 in. hex size; Tapered seat styleSeries : Professional Conventional SeriesSpark Plug Code : R45TXElectrode Tip Material : Nickel alloy Electrode TipReplaces OE Number : 5614252Quantity 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 : 11.2 mm ReachGap Size : 0.06 in.Thread Size : 14 mm thread size
SET-ACR45TX-8 Professional Conventional Series Spark Plug, Set of 8
AC Delco®
SET-ACR45TX-8 Professional Conventional Series Spark Plug, Set of 8
Part Number: SET-ACR45TX-8
Vehicle Info Required to Guarantee Fit
$21.49
Product Details
Series : Professional Conventional SeriesSpark Plug Code : R45TXElectrode 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 : 11.2 mm ReachGap Size : 0.06 in.Thread Size : 14 mm thread size
5029 Standard Series Spark Plug, Sold individually
Denso®
5029 Standard Series Spark Plug, Sold individually
Part Number: NP5029
Vehicle Info Required to Guarantee Fit
$9.99
Product Details
Notes : 5/8 in. hex size; Non-projected tip; Removable nut terminal type; Tapered seat style; Machine rolled threads; U-Groove electrode configurationSeries : Standard SeriesSpark Plug Code : T16R-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 : 11.6 mm ReachGap Size : 0.8 mmHeat Range : 6Thread Size : 14 mm thread size
SET-NP5029-6 Standard Series Spark Plug, Set of 6
Denso®
SET-NP5029-6 Standard Series Spark Plug, Set of 6
Part Number: SET-NP5029-6
Vehicle Info Required to Guarantee Fit
$23.99
Product Details
Series : Standard SeriesSpark Plug Code : T16R-UQuantity Sold : Set of 6Warranty : 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 : 11.6 mm ReachGap Size : 0.8 mmHeat Range : 6Thread Size : 14 mm thread size
SET-NP5029-8 Standard Series Spark Plug, Set of 8
Denso®
SET-NP5029-8 Standard Series Spark Plug, Set of 8
Part Number: SET-NP5029-8
Vehicle Info Required to Guarantee Fit
$27.99
Product Details
Series : Standard SeriesSpark Plug Code : T16R-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 : 11.6 mm ReachGap Size : 0.8 mmHeat Range : 6Thread Size : 14 mm thread size
37224 Iridium Series Spark Plug, Set of 4
MSD®
37224 Iridium Series Spark Plug, Set of 4
Part Number: M4637224
Vehicle Info Required to Guarantee Fit
$47.49
Product Details
Notes : 5/8 in. hex size; Projected insulator type; Tapered seat style; Iridium power electrode configurationSeries : Iridium SeriesSpark Plug Code : 6IR5YElectrode Tip Material : Iridium Electrode TipQuantity Sold : Set of 4Warranty : 1-year MSD 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 : 11 mm ReachRecommended Use : PerformanceProduct Fit : Direct FitHeat Range : 5Thread Size : 14 mm thread size
Page 1 of 3 | Showing 1 - 15 of 39 results

Top Rated Products

AC Delco SET-AC41-817-8 Professional Platinum Series Spark Plug, Set of 8
$63.49( Review)
Spark plugs MUST be gapped before installing but proper shipping was appreciated. StrSee More
Isaac G.
VERIFIED PURCHASER
Denso SET-NP4509-8 Platinum TT Series Spark Plug, Set of 8
$38.49( Review)
Needed for a project
Bonnie P.
VERIFIED PURCHASER
Accel 0276S-4 C-Cut Shorty Series Spark Plug, Set of 4
$29.55( Review)
Workef great. Runs like a champ.
Bonnie P.
VERIFIED PURCHASER

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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.