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GMC Sierra 3500 HD Spark Plug

We have 7 Items In-stock. Select a year to continue.
$11.25 List Price $18.87 Save $7.62 Availability: In Stock
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NGK TR5IX IRIDIUM IX SPARK PLUG, SOLD INDIVIDUALLY

NGK Iridium IX Spark Plug improves throttle response and superior anti fouling that deliver an outstanding acceleration, high fuel efficiency and durability with its ultimate design, technology and performance.

Specifications:
  • 14 mm thread size
  • 17.55 mm reach
  • 16 mm hex size
  • 0.04 in. gap size
  • Tapered seat style
  • Resistor plug type
  • Solid terminal nut
  • Projected tip
  • Fine wire 0.6 mm iridium center electrode
  • Tapered cut ground electrode

Features:
  • Iridium alloy has extremely high melting point making it perfect for today's high-tech and high performance engines
  • Fine Iridium tip that ensures high durability and a consistently stable spark
  • Trivalent metal plating offers superior anti-corrosion and anti-seizing properties


  • SKU#: NG7397
  • Brand: NGK
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Iridium
  • Gap Size: 1.016 mm
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Fits the following GMC Sierra 3500 HD Years:
  • 2011-2012 | 8 Cyl 6.0L | Denali
  • 2007-2012 | 8 Cyl 6.0L | SLE, SLT, WT
$12.07 List Price $14.24 Save $2.17 Availability: In Stock
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DENSO PREMIUM CLASS IRIDIUM SPARK PLUG

Denso's Premium Class Iridium Spark Plugs is fast becoming the standard for today's high-tech engines. Employing a revolutionary 360 degrees laser welding process, Denso has created a spark plug unlike anything on the market today. Designed for durability under the most extreme conditions. Denso's patented Iridium alloy is 6 times harder and 8 times stronger than conventional platinum and can handle temperatures in excess of 4,000 degrees Fahrenheit.

Specification:
  • 14 mm thread size
  • 18 mm reach
  • 0.63 in. hex size
  • 0.04 in. gap size
  • Tapered seat style
  • Resistor plug type
  • 0.4 mm iridium center electrode
  • Tapered cut U-groove ground electrode
  • Removable terminal
  • Heat range 16

Features:
  • Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures
  • Five-rib design prevents flashover while decreasing voltage loss
  • Copper glass seal bonds the center electrode and insulator together for a gas-tight seal
  • Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements
  • Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles


  • SKU#: NPIT16
  • Brand: Denso
  • Electrode Core Material: Iridium
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Gap Size: 1.1 mm
(see more)
Fits the following GMC Sierra 3500 HD Years:
  • 2010 | 8 Cyl 6.0L | SLE, SLT, WT
  • 2007-2010 | 8 Cyl 6.0L | SLE, SLT, WT
$5.95 List Price $13.80 Save $7.85 Availability: In Stock
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Bosch
Bosch is one of the largest global suppliers of automotive products, developing, manufacturing and supplying precision OE components and systems to vehicle manufacturers and the automotive aftermarket.

Platinum+4
  • SKU#: W0133-1636072
  • Brand: Bosch
 
Fits the following GMC Sierra 3500 HD Years:
  • 2007-2009 | 8 Cyl 6.0L | SLE, SLT, WT
Rating: (see review/s)

"Put these in a 1995 Explorer (120k miles, 4.0 V6) replacing 25k single Bosch Plat plug. Found a questionable wire in the process so did those too. WOW! Smoother, better performance and better mpg. What is not to like? Towed better too. And just passed CA smog with cleaner results then 2 years ago on the single Plat plugs. Guess I'll keep the car a while longer... wish it would die...." posted by: Ford Guy on October 8, 2010

"2000 Chevy 1500 V8. Runs like a brand new truck. Add a good set of wires and you'll add 2mpg to fuel economy. What a tune up" posted by: Kirk on March 3, 2009 view all 5 reviews

$12.04 List Price $14.21 Save $2.17 Availability: In Stock
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AC DELCO PROFESSIONAL PLATINUM SPARK PLUG, SOLD INDIVIDUALLY

AC Delco Professional Platinum Spark Plugs are perfect for engines that run on conventional plugs, and newer engines that require platinum plugs. Provides up to 100,000 miles of service before requiring replacement.

Features:
  • Constructed from top quality materials to help the engine run clean and longer
  • Copper core center electrode for improved heat transfer to the tip
  • Engineered to high standards and tested under extreme conditions to exceed OE specifications


  • SKU#: AC41110
  • Brand: AC Delco
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
 
Fits the following GMC Sierra 3500 HD Years:
  • 2007-2011 | 8 Cyl 6.0L | SLE, SLT, WT
  • 2010 | 8 Cyl 6.0L | SLE, SLT, WT
$7.25 List Price $10.95 Save $3.70 Availability: In Stock
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  • Clearance Item
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PULSTAR PLATINUM PULSE SPARK PLUG, SOLD INDIVIDUALLY

Pulstar Pulse Spark Plug contains integrated electrical capacitor that focuses on the energy of the plug. Its electrical energy delivers the fuel mixture far beyond the typical conventional spark plugs and produces not only better fuel efficiency, but also increased torque and horsepower.

Specifications:
  • 14 mm thread size
  • 18 mm reach
  • 16 mm hex size
  • 1.14 mm gap
  • 0.9 mm platinum tipped center electrode with copper core
  • Tapered seat
  • Resistor
  • Nickel alloy ground electrode

Features:
  • Latest Eco-Friendly ignition technology
  • Provides more horsepower, livelier throttle response, and up to 10 percent better fuel economy than conventional spark plugs
  • Allows more efficient burning of and generates a much larger spark than that of ordinary spark plugs
  • Reduces carbon dioxide emissions and provides cleaner exhaust through more efficient combustion
  • Uses an internal circuit that delivers up to 1,000,000 watts of peak power that increases peak spark current by up to 20,000 times that of a traditional spark plug


  • SKU#: AD1P
  • Brand: Pulstar
  • Fit Note: 0.9 mm Platinum Tipped Center Electrode With Copper Core, 18 mm Reach
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Gap Size: 1.14 mm
(see more)
Fits the following GMC Sierra 3500 HD Years:
  • 2010-2012 | 8 Cyl 6.0L | SLE, SLT, WT
  • 2011 | 8 Cyl 6.0L | Denali
(see more)
Rating: (see review/s)

"I really like the technology that is put into these plugs. I have noticed a small increase in gas mileage though i dreve a 2500hd silverado with the 6.0L so its hard to increase mileage a lot. I have noticed smoother running and better acceleration. Great product." posted by: on January 19, 2011

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$7.85 List Price $9.26 Save $1.41 Availability: In Stock
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CHAMPION DOUBLE PLATINUM SPARK PLUG, SOLD INDIVIDUALLY

Champion Double Platinum Power Spark Plugs use a fine-wire and V-trimmed center electrode to create a sharper spark focus than conventional plugs. With their exclusive Heat-Active alloy, they are designed to reach operating temperatures quickly and maintain stable temperatures under varying engine loads. It is widely designed for distributorless ignition systems, these Champion Double Platinum Power spark plugs can maximize fuel efficiency and spark energy.

Specifications:
  • 14 mm thread diameter
  • platinum tipped ground electrode
  • platinum tipped center electrode
  • Projected core nose
  • Heat range 14

Features:
  • Platinum tipped for superior erosion resistance and spark for better performance
  • Engineered with triple sealed interior and copper core to reduce failure from heat and stress


  • SKU#: C337983
  • Brand: Champion
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Reach: 14 mm
(see more)
Fits the following GMC Sierra 3500 HD Years:
  • 2011 | 8 Cyl 6.0L | Denali
  • 2010-2011 | 8 Cyl 6.0L | SLE, SLT, WT
(see more)
$5.95 List Price $8.99 Save $3.04 Availability: In Stock
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E3 DIAMONDFIRE SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread size, 17.52 mm reach, 0.62 in. hex size, tapered seat, resistor, 1.016 mm non-adjustable gap size, copper core electrode material, nickel alloy electrode tip material, projected insulator type; Guaranteed to provide more power while using less fuel, quicker starts and less fouling than competitive standard spark plugs.
  • SKU#: PYRE354
  • Brand: E3
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Product Class: Fuel saver
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Nickel alloy
(see more)
Fits the following GMC Sierra 3500 HD Years:
  • 2011 | 8 Cyl 6.0L | Denali
  • 2007-2011 | 8 Cyl 6.0L | SLE, SLT, WT
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