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GM 12681665
Spark Plug

1996-2009 GM

Customer Questions & Expert Answers (19)
GM 12681665 Spark Plug
GM 12681665 Spark Plug
GM 12681665 Spark Plug
  • Part Description
    Spark Plug Assembly-Gasoline Engine Ignition
  • Replaced By
    12681664
  • Replaces
    25162555, 12607234, 25315018, 25162556, 19256067, 89017883
  • Manufacturer
    General Motors
Make sure this part fits
$9.22 MSRP: $16.46
You Save: $7.24 (44%)
Ships in 1-3 Business Days
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  • 12681665 Spark Plug is Ref No. 6 in the diagram below

    2004 Pontiac GTO Spark Plug Diagram for 12681665
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 12681665

  • Vehicle Fitment

    Year Make Model Trim Engine
    2008-2009 Buick LaCrosseSuper8 Cyl 5.3 L GAS
    2004-2007 Buick RainierCXL, CXL Plus6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
    2004-2007 Cadillac CTSV8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS
    2002-2006 Cadillac EscaladeBase8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2007-2009 Cadillac Escalade ESVBase, Platinum8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    2002-2006 Cadillac Escalade EXTBase8 Cyl 6.0 L GAS
    1996-2005 Chevrolet AstroBase, LS, LT6 Cyl 4.3 L GAS
    2002-2006 Chevrolet Avalanche 1500Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z718 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2002-2006 Chevrolet Avalanche 2500Base, LS, LT8 Cyl 8.1 L GAS
    1997-2004 Chevrolet Corvette50th Anniversary Edition, 50th Anniversary Edition Pace Car, Base, Indianapolis 500 Pace Car, Z068 Cyl 5.7 L GAS
    View More
    Warning: California's Proposition 65

  • Customer Questions & Expert Answers

    Q:
    Is this 12681665 designed for my car? Posted by ChevyPartsDeal Specialist
    A:
    Please Select Your Vehicle model to see if part number 12681665 is suitable before ordering.
    Posted by ChevyPartsDeal Specialist
    Q:
    What can happen if the wrong type of spark plug is used for the 2008 Buick LaCrosse? Posted by Customer
    A:
    It can severely damage the engine.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    Why should the engine be allowed to cool before removing the spark plugs for the 2006 Buick Rainier? Posted by Customer
    A:
    To prevent damage to the cylinder head threads from seizing.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    Why is it important to clean the spark plug threads for the 2004 Cadillac CTS? Posted by Customer
    A:
    Contamination can prevent proper seating of the new plugs and potentially damage the engine.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    What is the first step to replace the spark plugs for the 2002 Cadillac Escalade? Posted by Customer
    A:
    First, remove the spark plug wires and loosen each spark plug by 1 or 2 turns.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    How do you remove the spark plug wire for the 2008 Cadillac Escalade ESV? Posted by Customer
    A:
    Twist the boot a 1/2 turn and pull only on the boot.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    How should multiple spark plugs be organized during removal for the 2005 Cadillac Escalade EXT? Posted by Customer
    A:
    Place each in a tray marked with the corresponding cylinder number.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    Where are most spark plugs best accessed from for the 2000 Chevrolet Astro? Posted by Customer
    A:
    Most spark plugs are best accessed from the wheel wells.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    What should be done after cleaning the spark plugs for the 2002 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Remove the plugs one at a time, placing each in a tray marked with the corresponding cylinder numbers.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    What is the correct procedure for installing a spark plug for the 2005 Chevrolet Avalanche 1500? Posted by Customer
    A:
    Correctly position the spark plug washer and inspect the spark plug gap, adjusting it as needed to 1.016 mm (0.040 in).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    What should be inspected for each spark plug for the 2001 Chevrolet Corvette? Posted by Customer
    A:
    The gap, adjusting as necessary to meet the specification of 1.524 mm (0.060 in).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    What is the first step in the removal process of the spark plugs for the 2007 Chevrolet Impala? Posted by Customer
    A:
    Remove the air cleaner outlet duct and the intake manifold cover if necessary.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    How do you remove the spark plug wire boot for the 2009 Chevrolet Silverado 1500? Posted by Customer
    A:
    Twist the boot 1/2 turn and pull only on the boot or use a tool designed for this purpose.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    What should you do after tightening the spark plug for the 2006 Chevrolet Monte Carlo? Posted by Customer
    A:
    Reinstall the spark plug wire.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    What are the tightening specifications for used heads for the 2000 Chevrolet Tahoe? Posted by Customer
    A:
    For used heads, tighten to 15 N.m (11 lb ft).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    What should be done after cleaning the spark plugs for the 2005 GMC Safari? Posted by Customer
    A:
    Remove the spark plugs one at a time, placing each in a tray marked with the corresponding cylinder numbers.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    What is the first step to replace the spark plugs for the 2009 GMC Savana 1500? Posted by Customer
    A:
    First, remove the spark plug wires.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    What is the correct procedure for installing a spark plug for the 2004 GMC Yukon? Posted by Customer
    A:
    Correctly position the spark plug washer and inspect the spark plug gap, adjusting it as needed to 1.016 mm (0.040 in).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    Q:
    How do you remove the spark plug wire for the 2009 GMC Sierra 1500? Posted by Customer
    A:
    Twist the boot a 1/2 turn and pull only on the boot.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Spark Plug
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM Spark Plug 12681665 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 12681665 Spark Plug is available in the market under the name GM Spark Plug. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 12681665 Spark Plug fits certain Chevrolet Tahoe, Impala, Silverado 1500 models, as well as GMC Sierra 1500, Yukon, Sierra 2500 HD. Additionally, it is compatible with Cadillac Escalade, CTS, Escalade ESV and Buick LaCrosse, Rainier models.
The original GM component designated by Manufacturer Part Number 12681665 maintains top performance when functioning as the Spark Plug Assembly-Gasoline Engine Ignition unit. The component 12681665 is constructed from durable material and its dimensions span 3.8 x 1.1 x 6.7 inches while weighing 1.10 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Spark Plug, Spark Ignition; Spark Plug,Glow. The part 12681665 has available replacement options listed under 12681664 or 25162555, 12607234, 25315018, 25162556, 19256067, 89017883. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
If you want to save money in the long run on maintenance and repairs, you should choose OEM products because they're of the top level of durability. Are you on the quest of finding GM parts? Our site is worth a visit. We stock an endless selection of high-quality GM components including things like ignition coils all the way through to fan shrouds and all at prices that can not be matched. You have nothing to worry about because all our OEM parts are covered with a manufacturer warranty, which guarantees superior quality and value.