Make sure this part fits

GM 19421333 INJECTOR ASM,SEQ M/PORT FUEL

2005-2009 GM

Customer Questions & Expert Answers (18)
GM 19421333 INJECTOR ASM,SEQ M/PORT FUEL
  • Part Description
    INJECTOR ASM,SEQ M/PORT FUEL
  • Replaces
    12580681
  • Manufacturer
    General Motors
Make sure this part fits
$99.13 MSRP: $205.82
You Save: $106.69 (52%)
1
ADD TO CART
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number19421333
    Part DescriptionINJECTOR ASM,SEQ M/PORT FUEL
    Other NamesInjector
    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
    2007-2009 Cadillac Escalade8 Cyl 6.0L, 8 Cyl 6.2L1/2 TON, EXT 1/2 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE
    2007-2009 Chevrolet Avalanche8 Cyl 5.3L, 8 Cyl 6.0L1/2 TON
    2009 Chevrolet Colorado8 Cyl 5.3LCREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP
    2008-2009 Chevrolet Express8 Cyl 4.8L, 8 Cyl 6.0L1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS
    2005-2006 Chevrolet SSR8 Cyl 6.0LSPORT TRUCK
    2007-2009 Chevrolet Silverado8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0LCREW CAB 1 TON, CREW CAB 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 1 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5
    2007-2009 Chevrolet Suburban8 Cyl 5.3L, 8 Cyl 6.0L1/2 TON, 3/4 TON
    2007-2009 Chevrolet Tahoe8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L4 DOOR 1/2 TON
    2005-2009 Chevrolet Trailblazer8 Cyl 5.3L, 8 Cyl 6.0L4 DOOR, 4 DOOR EXT
    View More
  • Customer Questions & Expert Answers

    Q:
    I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 19421333 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done with the old gasket for the 2013 Chevrolet Avalanche? Posted by Customer
    A:
    Discard the old gasket.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Fuel Injector
    Q:
    What electrical leads in the engine wiring harness need to be disconnected for the 2013 Chevrolet Avalanche? Posted by Customer
    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.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Fuel Injector
    Q:
    What should be done after installing the fuel injectors for the 2008 Chevrolet Colorado? Posted by Customer
    A:
    Ensure the fuel rail mounting bolts are tightened.- Activate the fuel pump by turning the ignition switch to On without operating the starter.- Cycle the ignition On and Off several times.- Check for fuel leakage in the fuel lines, fuel rail, and injector.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Fuel Injector
    Q:
    What should be done with the vacuum hose from the fuel pressure regulator and other vacuum hoses of the 2009 Chevrolet Express? Posted by Customer
    A:
    The vacuum hose from the fuel pressure regulator and any other vacuum hoses in the way should be disconnected.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Fuel Injector
    Q:
    How are the injectors removed from the fuel rail assembly of the 2007 Chevrolet Trailblazer? Posted by Customer
    A:
    Remove the retaining clip and take out the injector(s), discarding the o-rings and seals.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Fuel Injector
    Q:
    What electrical connectors should be disconnected for the 2011 Chevrolet Tahoe? Posted by Customer
    A:
    Disconnect various electrical connectors, including those for the EVAP canister purge solenoid and MAP sensor.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Fuel Injector
    Q:
    What should be done during installation of the 2008 GMC Sierra? Posted by Customer
    A:
    Use new gaskets and o-rings where necessary and tighten fasteners to proper torque specifications.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Fuel Injector
    Q:
    What needs to be done before reassembling the injectors and fuel rail for the 2011 Chevrolet Silverado? Posted by Customer
    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.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Fuel Injector
    Q:
    What needs to be done after removing the EVAP canister purge solenoid for the 2013 Chevrolet Tahoe? Posted by Customer
    A:
    After removing the EVAP canister purge solenoid, the fuel rail mounting bolts need to be removed.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Fuel Injector
    Q:
    How should the fuel meter body and injectors be removed for the 2011 Chevrolet Silverado? Posted by Customer
    A:
    Remove the fuel supply line and various seals, detach the injector poppet nozzles, and remove the injector retainer nuts and retainer.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Fuel Injector
    Q:
    What needs to be done during the installation process for the 2010 Chevrolet Suburban? Posted by Customer
    A:
    During the installation process, the fuel rail mounting bolts need to be tightened securely and the fuel system needs to be pressurized to check for leaks.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Fuel Injector
    Q:
    What steps should be followed for removing fuel injectors in the engine for the 2012 GMC Canyon? Posted by Customer
    A:
    Remove the outlet duct from the air filter housing.- Label and disconnect interfering engine hoses, wiring harnesses, and electrical components.- Remove the purge control solenoid valve and disconnect the quick-connect fuel filling from the fuel rail.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Fuel Injector
    Q:
    What should be done with the old gasket for the 2007 Chevrolet Suburban? Posted by Customer
    A:
    Discard the old gasket.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Fuel Injector
    Q:
    What needs to be done during the installation process of the 2011 GMC Sierra? Posted by Customer
    A:
    During the installation process, the fuel rail mounting bolts need to be tightened securely and the fuel system needs to be pressurized to check for leaks.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Fuel Injector
    Q:
    How are the injectors disengaged from the intake manifold for the 2008 GMC Yukon? Posted by Customer
    A:
    The injectors are disengaged from the intake manifold as a single assembly.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Fuel Injector
    Q:
    How should the fuel meter body and injectors be removed for the 2011 GMC Yukon? Posted by Customer
    A:
    Remove the fuel supply line and various seals, detach the injector poppet nozzles, and remove the injector retainer nuts and retainer.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Fuel Injector
    Q:
    Does this injector come with the metal retainers/clips for securing electrical connector? Posted by Customer: 2009 Light Truck Silverado / Sierra / Cheyenne - 03, 43, 53 Bodystyle (4WD / AWD)
    A:
    YES IT DOES...
    Posted by GMPartsGiant Specialist 20/1/2023
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 19421333, the Right Choice

To ensure reliability, purchase GM part # 19421333 INJECTOR ASM,SEQ M/PORT FUEL. It is sometimes referred to as GM 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. It fits Cadillac Escalade. It also fits Chevrolet Express, Silverado, Tahoe. This also fits GMC Savana, Sierra, Yukon.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 19421333 INJECTOR ASM,SEQ M/PORT FUEL. You're certainly in the right place if you're searching for the great cost-effective OEM GM parts. Look no further than our vast inventory of genuine GM parts offered at unbeatable online prices, all of which are backed by the manufacturer's warranty. Not to forget, our hassle-free return policy and quick delivery service ensure a smooth shopping experience for you. For detailed GMC parts information, click here.

Why choose GM Parts Giant

  • Dedicated Service

    Your complete satisfaction is our #1 goal

  • Lowest Prices

    Best deals on genuine OE parts from dealerships

  • Fast Delivery

    Orders are processed and delivered promptly