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Hummer 12660710 Fuel Rail

2008 Hummer H2

Customer Questions & Expert Answers (3)
12660710 GM Fuel Rail Product Photo 1 of 4
  • Part Description
    Rail, Fuel Injection
  • Replaces
    12621665, 12621563
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Hummer
    Manufacturer Part Number12660710
    Part DescriptionFuel Rail; Rail, Fuel Injection
    Item Dimensions19.2 x 14.7 x 8.8 inches
    Item Weight2.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12621665, 12621563
    ManufacturerGeneral Motors
    SKU12660710
    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
    2008 Hummer H28 Cyl 6.2LPICKUP, SUV
  • 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 12660710 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What needs to be done after removing the intake manifold cover and the Fuel Rail for the 2007 Chevrolet Tahoe? Posted by Lukas L.
    A:
    After removing the intake manifold cover, the fuel system pressure needs to be relieved and the cable from the negative battery terminal needs to be disconnected. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / May 23, 2026
    Q:
    How are the injectors disengaged from the Fuel Rail and intake manifold for the 2008 GMC Yukon? Posted by Thu S.
    A:
    The injectors are disengaged from the intake manifold as a single assembly. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Raul / Oct 01, 2023

Genuine GM Part 12660710, the Right Choice

To ensure reliability, purchase GM part # 12660710 Fuel Rail. It is sometimes referred to as Hummer 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 Hummer H2 models.

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