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Buick 19421333 Injector

2005-2007 Buick Rainier

Customer Questions & Expert Answers (4)
19421333 GM Injector Illustration 1 of 1
  • Part Description
    Injector, Fuel Injection
  • Replaces
    12580681
  • Manufacturer
    General Motors
Make sure this part fits
$97.74 MSRP: $215.60
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Buick
    Manufacturer Part Number19421333
    Part DescriptionInjector; Injector, Fuel Injection
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12580681
    Require Quantity8
    ManufacturerGeneral Motors
    SKU19421333
    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
    2005-2007 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 19421333 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What needs to be done after removing the intake manifold cover and addressing the Fuel Injector for the 2008 Chevrolet Avalanche? Posted by Jarom M.
    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 Jeremy / Feb 24, 2025
    Q:
    What should be done with the Fuel Injector before removing the upper intake manifold for the 2009 Chevrolet Tahoe? Posted by Jayme V.
    A:
    Disconnect the negative battery cable and relieve fuel system pressure. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Aug 30, 2025
    Q:
    Does this injector come with the metal retainers/clips for securing electrical connector? Posted by Michael Y. / 2009 Light Truck Silverado / Sierra / Cheyenne - 03, 43, 53 Bodystyle (4WD / AWD)
    A:
    YES IT DOES...
    Answered by GM Parts Specialist Raul / Jan 20, 2023

Genuine GM Part 19421333, the Right Choice

To ensure reliability, purchase GM part # 19421333 Injector. It is sometimes referred to as Buick 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 Buick Rainier models.

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