{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
2014 GMC Sierra 3500 HD
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
2014 GMC Sierra 3500 HD

2014 GMC Sierra 3500 HD Spark Plugs

Refine by:

Shop Catalog

Showing 1 - 15 of 27 results
Display item:
15
30
45
Sort by:
Platinum TT Series Spark Plug, Sold individually
Denso®
Platinum TT Series Spark Plug, Sold individually
Part Number: NP4511
Guaranteed to Fit
$13.49
Vehicle Fitment
  • 2014 GMC Sierra 3500 HD WT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLE 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD Denali 8 Cyl 6.0L
Product Details
Notes : 5/8 in. hex size; Solid terminal type; Tapered seat style; Twin tip design; Titanium enhanced ground electrode; Machine rolled threadsSpark 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 mmSeries : Platinum TT SeriesHeat 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
$40.99
Vehicle Fitment
  • 2014 GMC Sierra 3500 HD SLT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLE 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD WT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD Denali 8 Cyl 6.0L
Product Details
Spark 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 ReachSeries : Platinum TT SeriesGap 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
  • 2014 GMC Sierra 3500 HD WT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLE 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD Denali 8 Cyl 6.0L
Product Details
Spark 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 ReachSeries : Platinum TT SeriesGap Size : 1 mmHeat Range : 16Thread Size : 14 mm thread size
Iridium TT Series Spark Plug, Sold individually
Denso®
Iridium TT Series Spark Plug, Sold individually
Part Number: NP4713
Guaranteed to Fit
$14.99
Vehicle Fitment
  • 2014 GMC Sierra 3500 HD WT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLE 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD Denali 8 Cyl 6.0L
Product Details
Notes : 16 mm Hex Size; (1) Ground Electrode; Tapered Seat Type; Platinum Twin-Tip Ground Electrode Tip Design; Twin-Tip ConfigurationElectrode 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 : 0.71 in. ReachGap Size : 0.04 in.Recommended Use : OE ReplacementSeries : Iridium TT SeriesHeat Range : 16Thread Size : 0.55 in.
Iridium TT Series Spark Plug, Set of 8
Denso®
Iridium TT Series Spark Plug, Set of 8
Part Number: SET-NP4713-8
Guaranteed to Fit
$64.49
Vehicle Fitment
  • 2014 GMC Sierra 3500 HD SLT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLE 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD WT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD Denali 8 Cyl 6.0L
Product Details
Electrode Tip Material : Iridium-Rhodium Alloy Electrode TipQuantity Sold : Set of 8Warranty : 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 : 0.71 in. ReachSeries : Iridium TT SeriesGap Size : 0.04 in.Heat Range : 16Recommended Use : OE ReplacementThread Size : 0.55 in.
Iridium TT Series Spark Plug, Set of 10
Denso®
Iridium TT Series Spark Plug, Set of 10
Part Number: SET-NP4713-10
Guaranteed to Fit
$77.99
Vehicle Fitment
  • 2014 GMC Sierra 3500 HD WT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLE 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD Denali 8 Cyl 6.0L
Product Details
Electrode Tip Material : Iridium-Rhodium Alloy Electrode TipQuantity Sold : Set of 10Warranty : 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 : 0.71 in. ReachSeries : Iridium TT SeriesGap Size : 0.04 in.Heat Range : 16Recommended Use : OE ReplacementThread Size : 0.55 in.
Iridium Power Series Spark Plug, Sold individually
Denso®
Iridium Power Series Spark Plug, Sold individually
Part Number: NP5325
Guaranteed to Fit
$14.49
Vehicle Fitment
  • 2014 GMC Sierra 3500 HD WT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLE 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD Denali 8 Cyl 6.0L
Product Details
Notes : 5/8 in. hex size; Removable nut terminal type; Tapered seat style; Machine rolled threads; 0.4 mm center electrode; Iridium power electrode configurationSpark Plug Code : IT16Quantity 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 ReachSeries : Iridium Power SeriesGap Size : 1.1 mmHeat Range : 16Thread Size : 14 mm thread size
Iridium Power Series Spark Plug, Set of 8
Denso®
Iridium Power Series Spark Plug, Set of 8
Part Number: SET-NP5325-8
Guaranteed to Fit
$60.99
Vehicle Fitment
  • 2014 GMC Sierra 3500 HD SLT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLE 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD WT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD Denali 8 Cyl 6.0L
Product Details
Spark Plug Code : IT16Quantity 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 ReachSeries : Iridium Power SeriesGap Size : 1.1 mmHeat Range : 16Thread Size : 14 mm thread size
Iridium Power Series Spark Plug, Set of 10
Denso®
Iridium Power Series Spark Plug, Set of 10
Part Number: SET-NP5325-10
Guaranteed to Fit
$73.49
Vehicle Fitment
  • 2014 GMC Sierra 3500 HD WT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLE 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD Denali 8 Cyl 6.0L
Product Details
Spark Plug Code : IT16Quantity 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 ReachSeries : Iridium Power SeriesGap Size : 1.1 mmHeat Range : 16Thread Size : 14 mm thread size
OE Fine Wire Iridium Spark Plug Series Spark Plug, Sold individually
Bosch®
OE Fine Wire Iridium Spark Plug Series Spark Plug, Sold individually
Part Number: BS9602
Guaranteed to Fit
$7.99
Vehicle Fitment
  • 2014 GMC Sierra 3500 HD SLE 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD WT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD Denali 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLT 8 Cyl 6.0L
Product Details
Notes : Iridium Long LifeSpark Plug Code : HR8LII33UElectrode 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 : European Vehicle PartsElectrode Core Material : Copper Electrode CoreReach : 19 mm ReachSeries : OE Fine Wire Iridium Spark Plug SeriesHeat Range : 8Thread Size : 14 mm thread size
Ruthenium HX Series Spark Plug, Sold individually
NGK®
Ruthenium HX Series Spark Plug, Sold individually
Part Number: NG94567
Guaranteed to Fit
$15.49
Vehicle Fitment
  • 2014 GMC Sierra 3500 HD WT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLE 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD Denali 8 Cyl 6.0L
Product Details
Notes : 1.25 mm Thread Pitch; 16 mm Hex Size; 0.6 mm Projected Fine Wire Ruthenium Center Electrode; 5000 Ohms Resistance; (1) Fine Wire Platinum Ground Electrode; Tapered Seat Type; Solid Terminal TypeElectrode Tip Material : Ruthenium Electrode TipReplaces OE Number : SP511, 94567, 41910, 12679799, AGSF22F1, AJ0318110Quantity 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 : 18 mm ReachGap Size : 0.04 in.Series : Ruthenium HX SeriesInterchange Part Number : SP511, 94567, 41910, 12679799, AGSF22F1, AJ0318110Heat Range : 5Thread Size : 14 mm thread size
Ruthenium HX Series Spark Plug, Set of 8
NGK®
Ruthenium HX Series Spark Plug, Set of 8
Part Number: SET-NG94567-8
Guaranteed to Fit
$84.49
Vehicle Fitment
  • 2014 GMC Sierra 3500 HD SLT 8 Cyl 6.0L Gap 0.040in
  • 2014 GMC Sierra 3500 HD SLE 8 Cyl 6.0L Gap 0.040in
  • 2014 GMC Sierra 3500 HD WT 8 Cyl 6.0L Gap 0.040in
  • 2014 GMC Sierra 3500 HD Denali 8 Cyl 6.0L Gap 0.040in
Product Details
Electrode Tip Material : Ruthenium Electrode TipReplaces OE Number : SP511, 94567, 41910, 12679799, AGSF22F1, AJ0318110Quantity Sold : Set of 8Warranty : 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 : 18 mm ReachGap Size : 0.04 in.Series : Ruthenium HX SeriesInterchange Part Number : SP511, 94567, 41910, 12679799, AGSF22F1, AJ0318110Heat Range : 5Thread Size : 14 mm thread size
Ruthenium HX Series Spark Plug, Set of 10
NGK®
Ruthenium HX Series Spark Plug, Set of 10
Part Number: SET-NG94567-10
Guaranteed to Fit
$102.99
Vehicle Fitment
  • 2014 GMC Sierra 3500 HD WT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLE 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD Denali 8 Cyl 6.0L
Product Details
Electrode Tip Material : Ruthenium Electrode TipReplaces OE Number : SP511, 94567, 41910, 12679799, AGSF22F1, AJ0318110Quantity Sold : Set of 10Warranty : 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 : 18 mm ReachGap Size : 0.04 in.Series : Ruthenium HX SeriesInterchange Part Number : SP511, 94567, 41910, 12679799, AGSF22F1, AJ0318110Heat Range : 5Thread Size : 14 mm thread size
Ruthenium HX Series Spark Plug, Set of 12
NGK®
Ruthenium HX Series Spark Plug, Set of 12
Part Number: SET-NG94567-12
Guaranteed to Fit
$121.49
Vehicle Fitment
  • 2014 GMC Sierra 3500 HD WT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLE 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD Denali 8 Cyl 6.0L
Product Details
Electrode Tip Material : Ruthenium Electrode TipReplaces OE Number : SP511, 94567, 41910, 12679799, AGSF22F1, AJ0318110Quantity Sold : Set of 12Warranty : 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 : 18 mm ReachGap Size : 0.04 in.Series : Ruthenium HX SeriesInterchange Part Number : SP511, 94567, 41910, 12679799, AGSF22F1, AJ0318110Heat Range : 5Thread Size : 14 mm thread size
OE Fine Wire Double Platinum Spark Plug Series Spark Plug, Sold individually
Bosch®
OE Fine Wire Double Platinum Spark Plug Series Spark Plug, Sold individually
Part Number: BS8104
Guaranteed to Fit
$13.49
Vehicle Fitment
  • 2014 GMC Sierra 3500 HD SLE 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD WT 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD Denali 8 Cyl 6.0L
  • 2014 GMC Sierra 3500 HD SLT 8 Cyl 6.0L
Product Details
Spark Plug Code : HR8LPP33UElectrode Tip Material : Platinum 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 mmSeries : OE Fine Wire Double Platinum Spark Plug SeriesHeat Range : 8Thread Size : 14 mm thread size
Page 1 of 2 | Showing 1 - 15 of 27 results

Top Rated Products

Denso Platinum TT Series Spark Plug, Sold individually
$13.49( Review)
Hey I'm totally happy received my package on time delivery car parts number one!
Jonathan T.
VERIFIED PURCHASER
Denso Platinum TT Series Spark Plug, Set of 8
$40.99( Review)
Great item and fast shipping
Timothy M.
VERIFIED PURCHASER

Popular Products

Helpful Automotive Resources

A Short Course on Ignition Systems
A Short Course on Ignition SystemsLet’s see how this is done. The role of spark plugs is integral in the operation of the ignition systems as they ignite the air/fuel mixture—at exactly the right instant.
Why Won’t My Car Start?
Why Won’t My Car Start?Automotive professionals break down no-start situations into two separate categories: crank-no-start and no-crank-no-start.
P0354 Code: Ignition Coil “D” Primary/Secondary Circuit
P0354 Code: Ignition Coil “D” Primary/Secondary CircuitIn an engine with a COP ignition system, each cylinder comes with its own ignition coil that sits on top of the spark plug. The computer monitors the circuit between it and every ignition coil for faults. It will file a trouble code depending on the cylinder that experienced a
P0316 Code: Engine Misfire Detected on Startup (First 1000 Revolutions)
P0316 Code: Engine Misfire Detected on Startup (First 1000 Revolutions)The PCM may disable the misfiring cylinder or cylinders in order to prevent further damage to the engine. Code P0316 is often listed in addition to one or more of the P0300 series codes that are associated with the misfiring cylinder/s.