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GM 12621663 Fuel Rail

2009-2013 GM

Customer Questions & Expert Answers (3)
12621663 GM Fuel Rail Illustration 1 of 1
  • Part Description
    Rail, Fuel Injection
  • Replaces
    12621561
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12621663
    Part DescriptionFuel Rail; Rail, Fuel Injection
    Item Dimensions17.1 x 15.0 x 6.6 inches
    Item Weight2.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12621561
    ManufacturerGeneral Motors
    SKU12621663
    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
    2009-2013 Cadillac Escalade8 Cyl 6.2L Flex1/2 TON, EXT 1/2 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE
    2009-2013 Chevrolet Silverado8 Cyl 6.2L FlexCREW CAB 1/2 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON
    2009-2013 GMC Sierra8 Cyl 6.2L FlexCREW CAB 1/2 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON
    2009-2013 GMC Yukon8 Cyl 6.2L Flex1/2 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE
    2009 Hummer H28 Cyl 6.2L FlexPICKUP, 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 12621663 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What is the first step to remove the fuel injectors from the Fuel Rail on the 2013 GMC Yukon? Posted by Domagoj R.
    A:
    The first step is to remove the intake manifold cover. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Syed / Jun 25, 2023
    Q:
    What electrical leads in the engine wiring harness related to the Fuel Rail need to be disconnected for the 2011 Chevrolet Silverado? Posted by Lanese R.
    A:
    The electrical leads from various components, including the alternator, EVAP purge solenoid, ignition coils, MAP sensor, and throttle body, need to be traced and disconnected. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Mar 07, 2026

Genuine GM Part 12621663, the Right Choice

To ensure reliability, purchase GM part # 12621663 Fuel Rail. It is sometimes referred to as GM 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 Cadillac Escalade models. It fits Chevrolet Silverado. It also fits GMC Sierra, Yukon. This also fits Hummer H2.

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