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GMC 19256590 Injector

2011-2016 GMC Sierra

Customer Questions & Expert Answers (3)
19256590 GM Injector Product Photo 1 of 1
  • Part Description
    Injector Kit, Fuel Injection
  • Manufacturer
    General Motors
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GMC
    Manufacturer Part Number19256590
    Part DescriptionInjector; Injector Kit, Fuel Injection
    Item Dimensions10.1 x 4.6 x 3.2 inches
    Item Weight1.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Require Quantity8
    ManufacturerGeneral Motors
    SKU19256590
    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
    2011-2016 GMC Sierra8 Cyl 6.6L Diesel1 TON CREW CAB, 2500 CREW CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5
  • 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 19256590 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What needs to be done after removing the intake manifold cover of the 2011 GMC Sierra, particularly regarding the Fuel Injector? Posted by Vinny Q.
    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 Fernando / Feb 25, 2026
    Q:
    What needs to be done before reassembling the Fuel Injectors and fuel rail for the 2013 Chevrolet Silverado? Posted by Talyon H.
    A:
    Before reassembling the injectors and fuel rail, each injector retainer and old o-ring needs to be removed. New o-rings should be installed and lubricated with clean engine oil. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jose / Nov 02, 2024

Genuine GM Part 19256590, the Right Choice

To ensure reliability, purchase GM part # 19256590 Injector. It is sometimes referred to as GMC Fuel Injector. 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 GMC Sierra models.

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