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GM 12634105
Vibration Damper

1999-2017 GM

Customer Questions & Expert Answers (32)
GM 12634105 Vibration Damper
GM 12634105 Vibration Damper
GM 12634105 Vibration Damper
GM 12634105 Vibration Damper
  • Part Description
    Pulley; Harmonic Balancer
  • Replaces
    12576652, 12553112
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits

  • 12634105 Vibration Damper is Ref No. 31 in the diagram below

    2005 Chevy SSR Vibration Damper Diagram for 12634105
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 12634105

  • Vehicle Fitment

    Year Make Model Trim Engine
    2004-2007 Buick RainierCXL, CXL Plus8 Cyl 5.3 L GAS
    2002-2014 Cadillac EscaladeBase, Hybrid, Hybrid Platinum, Luxury, Platinum, Premium8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    2003-2014 Cadillac Escalade ESVBase, Luxury, Platinum, Premium8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    2002-2013 Cadillac Escalade EXTBase, Luxury, Premium8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    2007-2013 Chevrolet AvalancheBlack Diamond LS, Black Diamond LT, Black Diamond LTZ, LS, LT, LTZ8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 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
    2009-2012 Chevrolet ColoradoLT8 Cyl 5.3 L GAS
    2003-2014 Chevrolet Express 1500Base, LS, LT8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2003-2017 Chevrolet Express 2500Base, LS, LT8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    View More
    Warning: California's Proposition 65

  • Customer Questions & Expert Answers

    Q:
    Is this 12634105 designed for my car? Posted by ChevyPartsDeal Specialist
    A:
    Please Select Your Vehicle model to see if part number 12634105 is suitable before ordering.
    Posted by ChevyPartsDeal Specialist
    Q:
    What is the first step to replace the crankshaft balancer for the 2004 Buick Rainier? Posted by Customer
    A:
    First, remove the radiator and drive belt, ensuring only one bolt from the battery tray brace is removed when detaching the diagonal brace.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What is the torque specification for the crankshaft balancer bolt during installation for the 2008 Cadillac Escalade ESV? Posted by Customer
    A:
    Tighten the used crankshaft balancer bolt (139) to 330 N.m (240 lb ft) and then remove it.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What is the final step for the crankshaft balancer bolt for the 2007 Cadillac Escalade? Posted by Customer
    A:
    Install a new crankshaft balancer bolt (139), tightening it first to 50 N.m (37 lb ft) and then to a final pass of 140 degrees using the Angle Meter (J 45059).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    How do you tighten the balancer during installation for the 2006 Cadillac Escalade EXT? Posted by Customer
    A:
    Assemble the installation tool, hold the hex end of the threaded rod with a wrench, and rotate the nut clockwise until the balancer is started. Reverse the tool and continue tightening until the balancer is fully installed.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What is the first step to replace the crankshaft balancer for the 2002 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Remove the air conditioning (A/C) belt, fan, and starter motor.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What is the first step in the replacement process for the 2006 Chevrolet Avalanche 1500? Posted by Customer
    A:
    Remove the air conditioning drive belt if equipped, or the accessory drive belt if not.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What is the next step after installing the Flywheel Holding Tool for the 2010 Chevrolet Colorado? Posted by Customer
    A:
    Lower the vehicle and then remove and discard the crankshaft balancer bolt.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    How do you tighten the crankshaft balancer bolt for the 2005 Chevrolet Express 3500? Posted by Customer
    A:
    Tighten the used crankshaft balancer bolt to 330 Nm (240 ft. lbs.), then remove it.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    How should the new crankshaft balancer bolt be tightened for the 2004 Chevrolet Express 1500? Posted by Customer
    A:
    Install a NEW crankshaft balancer bolt, tightening it first to 50 Nm (37 ft. lbs.) and then to 140 degrees using the J45059.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What is the next step after removing the fan shroud and drive belt for the 2005 Chevrolet Express 2500? Posted by Customer
    A:
    Remove the crankshaft balancer bolt and washer, followed by the bolts and the crankshaft pulley.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What is the procedure for installing the crankshaft balancer for the 2007 Chevrolet Silverado 1500? Posted by Customer
    A:
    Position the balancer onto the crankshaft, then use the Crankshaft Balancer and Sprocket Installer (J 41665) along with the threaded rod from the Crankshaft Front Oil Seal Installer (J 41478) to install the balancer.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    How is the crankshaft balancer removed for the 2007 Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    Use J 23523-F to remove the crankshaft balancer, ensuring to install the J 23523-F plate and bolts onto the balancer and tighten them to 25 Nm (18 ft. lbs.). Then, install the J 23523-F forcing screw into the plate and rotate it clockwise to remove the balancer.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What is the procedure for installing the new crankshaft balancer bolt for the 2004 Chevrolet Silverado 2500? Posted by Customer
    A:
    Install a new crankshaft balancer bolt, tightening it first to 50 Nm (37 ft. lbs.) and then to 140 degrees using the Angle Meter (J 45059).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What is the first step in the replacement process for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Begin by removing the air conditioning drive belt, lower fan shroud, and starter motor.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What should you do after removing the crankshaft balancer for the 2002 Chevrolet Suburban 2500? Posted by Customer
    A:
    Take off the J 42846.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What are the last steps after installing the crankshaft balancer for the 2010 Chevrolet Tahoe? Posted by Customer
    A:
    Remove the J 42386-A and bolts, reinstall the starter motor, cooling fan and shroud, and A/C drive belt, and perform the crankshaft position (CKP) system variation learn procedure.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    Which tools are used to remove the crankshaft balancer for the 2010 GMC Canyon? Posted by Customer
    A:
    Use the J 41816-2 (Crankshaft End Protector) and J 41816-A (Crankshaft Balancer Remover).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What are the final steps after the balancer installation for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Remove the Flywheel Holding Tool (J 42386-A) and bolts, reinstall the starter motor, lower fan shroud, and A/C drive belt, and perform the crankshaft position system variation learn procedure.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What should be done after removing the crankshaft balancer bolt for the 2005 Chevrolet SSR? Posted by Customer
    A:
    Utilize the Crankshaft Balancer Remover (J 41816) and Crankshaft End Protector (J 41816-2) to take off the crankshaft balancer, then clean and inspect it.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What should be removed after the drive belt for the 2001 Chevrolet Suburban 1500? Posted by Customer
    A:
    The lower fan shroud and the starter motor.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    How do you start the balancer onto the crankshaft for the 2003 GMC Savana 2500? Posted by Customer
    A:
    Hold the hex end of the threaded rod with one wrench while rotating the installation tool nut clockwise with another wrench until the balancer is started onto the crankshaft.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What should be avoided when removing the crankshaft balancer for the 2009 Chevrolet Trailblazer? Posted by Customer
    A:
    Ensure not to pull on the outer edge of the crankshaft balancer.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What is the method to remove the crankshaft balancer for the 2007 GMC Envoy? Posted by Customer
    A:
    Use a 3 jaw puller to remove the crankshaft balancer.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What tool is used to seat the balancer completely for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Install the crankshaft balancer installer (J 42845) to the balancer, ensuring to apply the lubricant that comes with it.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    How should the J42386-A be installed for the 2004 GMC Savana 1500? Posted by Customer
    A:
    Ensure that the teeth of the J42386-A mesh with the engine flywheel teeth, and install it using one M10-1.5 x 120 mm and one M10-1.5 x 45 mm bolt, tightening them to 50 Nm (37 ft. lbs.).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What is the first step to replace the crankshaft balancer for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Remove the air conditioning (A/C) drive belt, cooling fan and shroud, and starter motor.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What should be done after completing the installation for the 2009 GMC Sierra 1500? Posted by Customer
    A:
    Remove the J 42386-A and bolts, reinstall the starter motor, cooling fan, shroud, and air conditioning drive belt, and perform the crankshaft position system variation learn procedure.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What tools are needed to replace the crankshaft balancer for the 2001 GMC Yukon XL 1500? Posted by Customer
    A:
    Crankshaft Balancer Remover (J 41816), Crankshaft End Protector (J 41816-2), Flywheel Holding Tool (J 42386-A), Crankshaft Balancer and Sprocket Installer (J 41665), and Torque Angle Meter (J 36660-A).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    What should be removed after the drive belt for the 2009 GMC Savana 3500? Posted by Customer
    A:
    Next, take off the lower fan shroud and the starter motor.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    How can damage to the crankshaft be prevented during the process for the 2007 GMC Sierra 1500 Classic? Posted by Customer
    A:
    Install a shorter bolt with the same threads as the crankshaft balancer bolt into the crankshaft before using the crankshaft balancer removal tool, J 23523-F.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    Q:
    How do you install the crankshaft balancer for the 2008 GMC Yukon? Posted by Customer
    A:
    Position the balancer onto the crankshaft, then use the Crankshaft Balancer and Sprocket Installer (J 41665) along with the Crankshaft Front Oil Seal Installer (J 41478) to install the balancer.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Harmonic Balancer
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM Vibration Damper 12634105 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 12634105 Vibration Damper is available in the market under the name GM Crankshaft Pulley, Harmonic Balancer. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 12634105 Vibration Damper fits certain Chevrolet Colorado, Tahoe, SSR models, as well as GMC Sierra 1500, Yukon, Canyon. Additionally, it is compatible with Cadillac Escalade, Escalade ESV, Escalade EXT and Buick Rainier models.
The original GM component designated by Manufacturer Part Number 12634105 maintains top performance when functioning as the Pulley; Harmonic Balancer unit. The component 12634105 is constructed from durable material and its dimensions span 9.3 x 8.6 x 6.5 inches while weighing 10.90 Pounds. The component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Crankshaft Balance; Balancer. The part 12634105 has available replacement options 12576652, 12553112. 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.