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GM 12574927 Multiport Fuel Injector Assembly

2001-2007 GM

GM 12574927 Multiport Fuel Injector Assembly
  • Part Description
    Injector Asm,Multiport Fuel ; Injector, Fuel Injection
  • Replaces
    12571524, 17124531
  • Manufacturer
    General Motors
Customer Questions & Answers
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  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12574927
    Part DescriptionInjector Asm,Multiport Fuel ; Injector, Fuel Injection
    Other NamesInjector
    Item Dimensions4.5 x 1.7 x 1.6 inches
    Item Weight0.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12571524, 17124531
    ManufacturerGeneral Motors
    SKU12574927
    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
    2002-2005 Cadillac Escalade3/4 TON, EXT 3/4 TON
    2002-2006 Chevrolet Avalanche8 Cyl 8.1L3/4 TON
    2001-2002 Chevrolet C3500C3500 CAB CHASSIS 135.5, C3500 CAB CHASSIS 159.9, C3500 CAB CHASSIS 183.5
    2001-2002 Chevrolet Express8 Cyl 8.1L1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER
    2001-2007 Chevrolet Silverado8 Cyl 8.1L2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB
    2001-2006 Chevrolet Suburban8 Cyl 8.1L2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3/4 TON, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, EXT 3/4 TON, XL 3/4 TON
    2001-2002 GMC Savana8 Cyl 8.1L1 TON CARGO SAVANA, 1 TON COMMERCIAL/RECREATIONAL VEHICLE SAVANA, 1 TON PASSENGER
    2001-2007 GMC Sierra8 Cyl 8.1L2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB
    2001-2006 GMC Yukon8 Cyl 8.1L3/4 TON, XL 3/4 TON

Customer Questions & 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 12574927 fits your vehicle.
Posted by GMPartsGiant Specialist
Q:
How should the new O-rings be prepared before installing the injectors into the fuel rail of the 2003 Chevrolet Express? Posted by Customer
A:
The new O-rings should be coated with engine oil.
Posted by GMPartsGiant Specialist
See expert answers on similar Fuel Injector
Q:
How to remove the Throttle Body and Fuel Injector on V6 Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL? Posted by Customer
A:
To remove the upper intake manifold, first disconnect the negative battery cable and relieve fuel system pressure. Disconnect various electrical connectors, including those for the EVAP canister purge solenoid and MAP sensor, and remove the PCV crankcase ventilation hose. Remove the upper intake manifold mounting bolts and throttle body mounting studs, and discard the old gasket. To remove the fuel pulsation damper, remove the retaining clip and pull it out of the Throttle Body, then discard the old o-ring. To remove the throttle body and injectors, remove the fuel supply line and various seals, detach the injector poppet nozzles, and remove the injector retainer nuts and retainer. Installation for all components is the reverse of removal, using new gaskets and o-rings where necessary and tightening fasteners to proper torque specifications.
Posted by GMPartsGiant Specialist
Q:
How to remove fuel injectors and Fuel Rail on V8 Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL? Posted by Customer
A:
To remove the fuel injectors on a vehicle, the intake manifold cover must first be removed, followed by relieving the fuel system pressure and disconnecting the cable from the negative battery terminal. The air intake and manifold cover bracket bolts are then removed, along with the nut securing the engine wiring harness bracket to the intake manifold. Electrical leads in the engine wiring harness are traced and disconnected from various components, including the alternator, EVAP purge solenoid, ignition coils, MAP sensor, and throttle body. The electrical connectors from the fuel injectors are also disconnected, and the engine wiring harness clips are detached. The PCV hose is disconnected from the intake manifold, and the fuel line is disconnected from the fuel rail. The EVAP canister purge solenoid is removed from the intake manifold, and the fuel rail mounting bolts are removed. The injectors are then disengaged from the intake manifold and lifted from the engine as a single assembly, with each injector retainer and old o-ring removed. New o-rings are installed and lubricated with clean engine oil before reassembling the injectors and fuel rail. The installation process is the reverse of removal, with the fuel rail mounting bolts tightened securely and the fuel system pressurized to check for leaks.
Posted by GMPartsGiant Specialist
Q:
What needs to be done after removing the EVAP canister purge solenoid of the 2008 GMC Sierra? 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:
What hose should be removed of the 2013 GMC Sierra? Posted by Customer
A:
Remove the PCV crankcase ventilation hose.
Posted by GMPartsGiant Specialist
See expert answers on similar Fuel Injector
Q:
How many injectors come in an order? Posted by Customer
A:
It is one injector per order
Posted by GMPartsGiant Specialist 19/5/2021
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 12574927, the Right Choice

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 12574927 Multiport Fuel Injector Assembly. It is sometimes referred to as GM Fuel Injector. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific Cadillac Escalade models. It fits Chevrolet Avalanche, Express, Silverado. It also fits GMC Savana, Sierra, Yukon.

Affordable, reliable and built to last, GM part # 12574927 Multiport Fuel Injector Assembly stands out as the smart option. GMPartsGiant.com is your prime online source with the biggest and best selection of genuine GM parts and accessories at giant discounted prices. We have the OEM GM parts and accessories you need at the wholesale prices. GMPartsGiant.com has you covered no matter what type of GM vehicle you drive. For detailed GMC parts information, click here.

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