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Buick 12597307 Timing Chain

2004-2006 Buick

Customer Questions & Expert Answers (3)
12597307 GM Timing Chain Product Photo 1 of 2
  • Part Description
    Chain, Engine Timing
  • Replaces
    12566651, 12590920
  • Manufacturer
    General Motors
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Buick
    Manufacturer Part Number12597307
    Part DescriptionTiming Chain; Chain, Engine Timing
    Item Dimensions7.4 x 4.2 x 1.0 inches
    Item Weight1.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12566651, 12590920
    ManufacturerGeneral Motors
    SKU12597307
    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
    2005-2006 Buick Allure6 Cyl 3.6LCXS 4 DOOR, CXS(US)/Allure CXS(CAN)
    2005-2006 Buick LaCrosse6 Cyl 3.6LCXS 4 DOOR, CXS(US)/Allure CXS(CAN)
    2004-2006 Buick Rendezvous6 Cyl 3.6LAWD, RENDEZVOUS
  • 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 12597307 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What specific components need to be removed for the Timing Chain on 6.0L and 6.2L engines for the 2006 Cadillac CTS? Posted by Alexandra S.
    A:
    Remove the crankshaft balancer and the Camshaft Position (CMP) sensor. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Nicholas / Jul 20, 2025
    Q:
    What should be done if idler sprockets need to be removed for the Timing Chain on a 2006 Cadillac CTS? Posted by Kiran K.
    A:
    If necessary, remove the idler sprockets and mark the relationship between the camshaft sprockets and their respective camshaft before removing the sprocket bolt. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Apr 28, 2026

Genuine GM Part 12597307, the Right Choice

To ensure reliability, purchase GM part # 12597307 Timing Chain. It is sometimes referred to as Buick Timing Chain. 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 Buick Allure, LaCrosse, Rendezvous models.

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