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Buick 12660709 Fuel Rail

2007 Buick Rainier

Customer Questions & Expert Answers (3)
12660709 GM Fuel Rail Product Photo 1 of 6
  • Part Description
    Rail, Fuel Injection
  • Replaces
    12621668, 12621566
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Buick
    Manufacturer Part Number12660709
    Part DescriptionFuel Rail; Rail, Fuel Injection
    Item Dimensions18.9 x 14.4 x 9.4 inches
    Item Weight3.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12621668, 12621566
    ManufacturerGeneral Motors
    SKU12660709
    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 Buick Rainier8 Cyl 5.3L4 DOOR
  • 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 12660709 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What other electrical connectors, including those related to the Fuel Rail, need to be disconnected for the 2010 Chevrolet Suburban? Posted by Sherilyn E.
    A:
    The electrical connectors from the fuel injectors need to be disconnected, and the engine wiring harness clips need to be detached. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / Jan 25, 2026
    Q:
    What should be done with the Fuel Rail before starting the removal process for fuel injectors for the 2009 GMC Canyon? Posted by Burt J.
    A:
    Relieve the fuel system pressure and disconnect the cable from the negative battery terminal. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Raul / Jul 27, 2023

Genuine GM Part 12660709, the Right Choice

To ensure reliability, purchase GM part # 12660709 Fuel Rail. It is sometimes referred to as Buick Fuel Rail. 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 Rainier models.

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