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  • Sold individually
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  • Part #: NPIT16
  • Mfr #: IT16
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2001 GMC Sierra C3 Spark Plug - Denso - Denso Iridium Power, OE replacement

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  • Manufacturer Info
  • Related Products
  • Fitment Info
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


  • Series: Denso Iridium Power
  • Product Fit: OE replacement
  • Quantity Sold: Sold individually
  • Electrode Core Material: Iridium
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 2-3 business days
  • Electrode Tip Material: Platinum
  • Gap Size: 1.1 mm
  • Reach: 18 mm
  • Thread Size: 14 mm
  • Warranty: 12-month Denso limited warranty
This product fits the following GMC Sierra C3 submodels
  • 2001-2001: Base; 8 Cyl 6.0L; "GAS, FI, Naturally Aspirated, VIN U"