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GM 12681664 Spark Plug Assembly, Gas Eng Ign

1991-2014 GM

Customer Questions & Expert Answers (7)
GM 12681664 Spark Plug Assembly, Gas Eng Ign
GM 12681664 Spark Plug Assembly, Gas Eng Ign
GM 12681664 Spark Plug Assembly, Gas Eng Ign
  • Part Description
    Spark Plug Assembly, Gas Eng Ign
  • Replaces
    12568387, 25330840, 12565030, 25161444
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • Related Parts

    Shop for related parts for your vehicle

  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12681664
    Part DescriptionSpark Plug Assembly, Gas Eng Ign
    Other NamesSpark Plug
    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
    2005-2009 Buick Allure6 Cyl 3.8LCX (US)/ALLURE CX (CAN), CX 4 DOOR, CXL 4 DOOR, CXL(US)/ALLURE CXL(CAN), CXS 4 DOOR, CXS(US)/Allure CXS(CAN), SUPER SERIES 4 DOOR
    2002-2005, 1996 Buick Century6 Cyl 3.1LCUSTOM, CUSTOM 4 DOOR, GS, LIMITED, LS, SPECIAL, SPECIAL STATION WAGON
    2005-2009 Buick LaCrosse6 Cyl 3.8LCX (US)/ALLURE CX (CAN), CX 4 DOOR, CXL 4 DOOR, CXL(US)/ALLURE CXL(CAN), CXS 4 DOOR, CXS(US)/Allure CXS(CAN), SUPER SERIES 4 DOOR
    1996-2005 Buick Lesabre6 Cyl 3.8LCUSTOM, LIMITED
    2006-2008 Buick Lucerne6 Cyl 3.8LCX 4 DOOR, CXL, CXL 4 DOOR, CXS
    1996-2005 Buick Park Avenue6 Cyl 3.8LPARK AVENUE, ULTRA
    1996-2004 Buick Regal6 Cyl 3.8L2 DOOR, 4 DOOR, CUSTOM, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GL, GLX, GRAN SPORT 4 DOOR, GS, LIMITED, LIMITED 4 DOOR, LS, REGAL
    2002-2007 Buick Rendezvous6 Cyl 3.4L, 6 Cyl 3.5LAWD, RENDEZVOUS
    1996-1999 Buick Riviera6 Cyl 3.8LRIVIERA
    2005-2006 Buick Terraza6 Cyl 3.5LCROSSOVER SPORT VAN EXTENDED, CROSSOVER SPORT VAN EXTENDED AWD
    View More

  • Customer Questions & Expert Answers

    Q:
    I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 12681664 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How to replace spark plugs on Chevrolet Equinox? Posted by Customer
    A:
    You will find Spark Plugs located threaded into the top (3.6L V6) or the side (3.4L V6) of each Cylinder Head, so remove the air intake duct for a 3.6L V6; otherwise, you can check it out from here! You will need specific tools including spark plug socket, extension, and gap gauge for adjusting the gaps as required. It is recommended not to start until the engine is completely cold. Examine new plugs for defects and adjust their gaps using a gauge whose measurements are provided in the gap specifications section. Carefully bend the side electrode without breaking off any porcelain insulator if required. Avoid scratching these platinum or iridium coatings on these electrodes. If your engine is a 3.6L V 6 take out ignition coils or rather untwist boots and pull them off since in case of having a 3.4 L V 6 engine remove spark plug wires by simply twisting and pulling off boots." Use compressed air around plugs in order to avoid any dirt falling into cylinders."Fit spark plug socket over plug to be removed, turn counterclockwise and then compare against chart supplied showing how engine should run." A thin coat of anti-seize compound should be applied before installing new plugs."Install a new plug into hole, thread it tight with torque wrench / ratchet using short piece rubber hose for assistance". Finally put back ignition coil or set spark plug wire on each other after you have done this process for all remaining spark plugs.
    Posted by GMPartsGiant Specialist
    Q:
    How is the gap on the spark plugs checked and adjusted for the 2009 Chevrolet Express? Posted by Customer
    A:
    The gap is checked by inserting the proper-thickness gauge between the electrodes at the tip of the plug; if adjustment is needed, bend the side electrode carefully without damaging the porcelain insulator.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Spark Plug
    Q:
    Where are the spark plugs located on the 1991 Pontiac Grand Prix? Posted by Customer
    A:
    The spark plugs on 3.4L V6 engines are located in the valleys between the camshafts, with three on each cylinder head.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Spark Plug
    Q:
    What tools do you need to replace spark plugs in the 2007 GMC Sierra? Posted by Customer
    A:
    You will need a spark plug socket, ratchet, various extensions, and a gap gauge for gap adjustment. A special plug wire removal tool is optional but not mandatory. It is also recommended to use a torque wrench for properly tightening the new spark plugs.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Spark Plug
    Q:
    How should you remove the spark plug wires for the 2013 Chevrolet Silverado? Posted by 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.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Spark Plug
    Q:
    Where are the spark plugs located for the 2005 Pontiac G6? Posted by Customer
    A:
    The spark plugs are located in the cylinder head(s).
    Posted by GMPartsGiant Specialist
    See expert answers on similar Spark Plug
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 12681664, the Right Choice

To ensure reliability, purchase GM part # 12681664 Spark Plug Assembly, Gas Eng Ign. It is sometimes referred to as GM 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 Cadillac Escalade models. It fits Chevrolet Camaro, Silverado, Tahoe. It also fits GMC Sierra, Suburban, Yukon. This also fits Saturn Relay.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 12681664 Spark Plug Assembly, Gas Eng Ign. You're certainly in the right place if you're searching for the great cost-effective OEM GM parts. Look no further than our vast inventory of genuine GM parts offered at unbeatable online prices, all of which are backed by the manufacturer's warranty. Not to forget, our hassle-free return policy and quick delivery service ensure a smooth shopping experience for you. For detailed GMC parts information, click here.

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