Make sure this part fits

Chevrolet 12691185 Crankshaft Assembly

2007-2012 Chevrolet Colorado

Customer Questions & Expert Answers (3)
12691185 GM Crankshaft Assembly
  • Part Description
    Crankshaft Assembly, .
  • Replaces
    19177748, 89060400
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number12691185
    Part DescriptionCrankshaft Assembly, .
    Other NamesCrankshaft
    Item Dimensions33.6 x 8.5 x 6.4 inches
    Item Weight79.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces19177748, 89060400
    ManufacturerGeneral Motors
    SKU12691185
    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
    2007-2012 Chevrolet Colorado5 Cyl 3.7LCREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP
  • 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 12691185 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What steps should be taken after checking the oil clearance for the Crankshaft in the 2012 Chevrolet Colorado? Posted by Lanny D.
    A:
    After cleaning off Plastigage, apply a thin layer of grease to the bearing surfaces and reinstall the crankshaft. Clean the bearing insert faces and apply lubricant before installing the main bearing caps. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / Jan 22, 2026
    Q:
    What is the procedure for loosening the main bearing cap bolts for the Crankshaft in the 2008 GMC Canyon? Posted by Jaycie H.
    A:
    Loosen the main bearing cap bolts gradually until they can be removed by hand, starting with the side bolts on V8 engines. For inline engines, remove the stiffener plate and mark the main bearing caps if necessary before removing them. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Nov 20, 2025

Genuine GM Part 12691185, the Right Choice

To ensure reliability, purchase GM part # 12691185 Crankshaft Assembly. It is sometimes referred to as Chevrolet Crankshaft. 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 Chevrolet Colorado models.

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