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Make sure this part fits

GMC 12681664 Plug

1996-2014 GMC

Customer Questions & Expert Answers (3)
12681664 GM Plug Product Photo 1 of 1
12681664 GM Plug Product Photo 1 of 1
12681664 GM Plug Illustration 1 of 1
  • Part Description
    Plug Assembly - Gasoline Engine Ignition
  • Replaces
    12568387, 25330840, 12565030, 25161444
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A

  • Related Parts

    Shop for related parts for your vehicle

  • Product Specifications

    BrandGenuine GMC
    Manufacturer Part Number12681664
    Part DescriptionPlug; Plug Assembly - Gasoline Engine Ignition
    Item Dimensions6.7 x 3.5 x 0.9 inches
    Item Weight1.00 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12568387, 25330840, 12565030, 25161444
    Require Quantity6
    ManufacturerGeneral Motors
    SKU12681664
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65

  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1996-1999 GMC C15006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7LC1500 EXTENDED CAB LONG BOX, C1500 EXTENDED CAB STANDARD BOX, C1500 REGULAR CAB LONG BOX, C1500 REGULAR CAB STANDARD BOX
    1996-2000 GMC C25008 Cyl 5.0L, 8 Cyl 5.7LC2500 CREW CAB, C2500 EXTENDED CAB LONG BOX, C2500 EXTENDED CAB STANDARD BOX, C2500 REGULAR CAB
    1996-2000 GMC C35008 Cyl 5.7LC3500 CAB CHASSIS 135.5, C3500 CAB CHASSIS 159.9, C3500 CAB CHASSIS 183.5, C3500 CREW CAB LONG WHEELBASE, C3500 CREW CAB SHORT WHEELBASE, C3500 EXTENDED CAB, C3500 REGULAR CAB, K2500 EXTENDED CAB STANDARD BOX
    1996-2001 GMC Jimmy6 Cyl 4.3L2 DOOR, 4 DOOR
    1996-1999 GMC K15006 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7LK1500 EXTENDED CAB LONG BOX, K1500 EXTENDED CAB STANDARD BOX, K1500 REGULAR CAB LONG BOX, K1500 REGULAR CAB STANDARD BOX
    1996-2000 GMC K25008 Cyl 5.0L, 8 Cyl 5.7LK2500 CREW CAB, K2500 EXTENDED CAB LONG BOX, K2500 EXTENDED CAB STANDARD BOX, K2500 REGULAR CAB
    1996-2000 GMC K35008 Cyl 5.7LK3500 CAB CHASSIS 135.5, K3500 CAB CHASSIS 159.9, K3500 CREW CAB LONG WHEELBASE, K3500 CREW CAB SHORT WHEELBASE, K3500 EXTENDED CAB, K3500 REGULAR CAB
    1996-2005 GMC Safari6 Cyl 4.3LVAN SAFARI
    1996-2014 GMC Savana6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE SAVANA, 1 TON PASSENGER, 1/2 TON CARGO, 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA
    1999-2013 GMC Sierra6 Cyl 4.3L1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON
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  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 12681664 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    How should you remove the Spark Plug wires for the 2013 Chevrolet Silverado? Posted by Verified Customer
    A:
    Remove one spark plug wire at a time, pulling only on the rubber boot. If available, you can use a plug wire removal tool for easier removal. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Nicholas / Apr 05, 2026
    Q:
    What specific tools are required for replacing Spark Plugs for the 2007 Chevrolet Equinox? Posted by Nereida V.
    A:
    You will need specific tools, including a spark plug socket, extensions, and a gap gauge for gap adjustment. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Dec 04, 2025

Genuine GM Part 12681664, the Right Choice

To ensure reliability, purchase GM part # 12681664 Plug. It is sometimes referred to as GMC Spark Plug. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific GMC Sierra, Suburban, Yukon models.

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