Denso® - Iridium Power™ Spark Plug

0 reviews|Item # 337988931
$5.23 - $5.36
In Stock - Ships within 24 hrs
1963 GMC Suburban
Fits Following Model(s):
  • View Product Options
Product Options
Add To Cart
Add to Wishlist
Authorized Dealer

Have a Question? Ask a Specialist

888.577.6964Live Chat
Low Prices. Price match guarantee
Guaranteed Fitment. Always the correct part
In-House Experts. We know our products
Easy Returns. Quick & Hassle Free
Select Product Options
Please Select
    Total: $0.00
    Add To CartCancel

    Product Details

    GMC Suburban 1963, Iridium Power™ Spark Plug by Denso®. Iridium Ultimate Endurance and Power - Performance Upgrade with World's Smallest Center Electrode (0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir). Iridium Power™ best demonstrates its performance improvement during acceleration. The world's smallest center electrode and specially shaped ground electrode delivers maximum spark energy while withstanding temperatures greater than 4000º F. These features combine to achieve higher ignitability and require lower spark voltage than ever before. As a result, acceleration improves in comparison with normal plugs.


    Center Electrode Tip Material: Iridium
    Thread Reach: 0.748"
    Hex Size: 0.811"
    Ground Electrode Quantity: 1
    Gap: 0.044"
    Spark Plug Seat Style: Gasket
    Quantity: 1
    Thread Diameter: 0.551"
    Resistance: 5 kOhm
    Center Electrode Core Material: Copper
    Ground Configuration: Standard
    Ground Electrode Core Material: Nickel
    Ground Electrode Tip Design: Tapercut, U-Groove


    • 0.4 mm iridium center electrode, the slimmest in the industry
    • Patented self-cleaning insulator/electrode design
    • Durable, reusable packaging protects spark plugs when not in use
    • Handles extreme compression and boost levels
    • Ultimate performance and durability
    • Maximizes track time, minimizes downtime

    Denso® factories are QS9000 and ISO9000 certified worldwide, just one of the many reasons why zero defects for parts produced in the millions is a reality for DENSO. A recipient of the prestigious Deming Award for quality in 1961, Denso spent over five decades perfecting technology and processes, a claim that few automotive manufacturers can make. Denso First Time Fit™ products — including A/C compressors, starters, alternators, oxygen sensors, ignition wire sets, fuel pumps, cabin air, oil and air filters, wiper blades and more — are products built and tested to OE-standard offered for the aftermarket by DENSO. Each of these products is precision-built for exact replacement so you don't have to worry about doing the same job twice.

    Part Number:


    Denso warrants that its Products will be free from defects in material and workmanship for 5 years/60,000 mile from the date of purchase by the Original Purchaser. This warranty does not apply to any Products that have been subjected to misuse, mishandling, misapplication, neglect (including but not limited to improper maintenance), improper instal lation, or alterations.

    Magnuson-Moss Warranty Act:
    Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More
    Low Prices Price match guarantee
    Guaranteed Fitment Always the correct part
    In-House Experts We know our products
    Easy Returns Quick & Hassle Free

    All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. It is neither inferred nor implied that any item sold by is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.