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GM 19421333
Injector

2005-2009 GM

Customer Questions & Expert Answers (17)
GM 19421333 Injector
  • Part Description
    Injector Assembly, Sequential Multiport Fuel; Fuel Injector
  • Replaces
    12580681
  • Manufacturer
    General Motors
Make sure this part fits
$106.16 MSRP: $215.60
You Save: $109.44 (51%)
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  • Vehicle Fitment

    Year Make Model Trim Engine
    2005-2007 Buick RainierCXL, CXL Plus8 Cyl 5.3 L GAS
    2007-2009 Cadillac EscaladeBase, Hybrid, Platinum8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.2 L GAS
    2007-2008 Cadillac Escalade EXTBase8 Cyl 6.2 L GAS
    2007-2009 Chevrolet AvalancheLS, LT, LTZ8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2009 Chevrolet ColoradoLT8 Cyl 5.3 L GAS
    2008-2009 Chevrolet Express 2500Base, LS, LT8 Cyl 4.8 L GAS, 8 Cyl 6.0 L GAS
    2008-2009 Chevrolet Express 3500Base, LS, LT8 Cyl 4.8 L GAS, 8 Cyl 6.0 L GAS
    2005 Chevrolet SSRBase8 Cyl 6.0 L GAS
    2007-2009 Chevrolet Silverado 1500Hybrid, LT, LTZ, WT6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS
    2007-2009 Chevrolet Silverado 2500 HDLT, LTZ, WT8 Cyl 6.0 L GAS
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    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 19421333 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 19421333 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    What should be done with the injector retainer clips and O-ring seals for the 2006 Buick Rainier? Posted by Customer
    A:
    Discard the injector retainer clips and remove the injector O-ring seals from both ends of the injectors, discarding the seals.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Fuel Injector
    Q:
    What should be done to the new fuel injector O-ring seals before installation for the 2007 Cadillac Escalade? Posted by Customer
    A:
    Lubricate the new fuel injector O-ring seals with clean engine oil and install them onto the injectors before placing the injectors back into the fuel rail.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Fuel Injector
    Q:
    What should be done if the pressure drop difference exceeds 15 kPa (2 psi) for the 2007 Cadillac Escalade EXT? Posted by Customer
    A:
    Replace the injector with the lowest drop.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Fuel Injector
    Q:
    What is the final step after installing the fuel injector for the 2009 Chevrolet Colorado? Posted by Customer
    A:
    Connect the fuel injector harness electrical connector to the fuel injector and reinstall the fuel rail assembly.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Fuel Injector
    Q:
    What is the final step after installing the fuel injector for the 2009 Chevrolet Express 2500? Posted by Customer
    A:
    Reinstall the fuel rail.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Fuel Injector
    Q:
    What is the first step in replacing a fuel injector for the 2009 Chevrolet Express 3500? Posted by Customer
    A:
    Begin by removing the fuel rail.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Fuel Injector
    Q:
    How do you reconnect the electrical connectors for the 2007 Chevrolet Silverado 1500? Posted by Customer
    A:
    Reconnect the electrical connectors to the ignition coil, electronic throttle control, and fuel injectors, ensuring the CPA retainers are secured.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Fuel Injector
    Q:
    How should the new O-ring seals be prepared for installation for the 2009 Chevrolet Tahoe? Posted by Customer
    A:
    Lubricate the new O-ring seals with clean engine oil, install them onto the injectors, and insert the injectors into the fuel rail.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Fuel Injector
    Q:
    What should be done after removing the fuel rail assembly for the 2005 Chevrolet SSR? Posted by Customer
    A:
    Take out the retaining clip for the fuel injector and then detach the fuel injector assembly from the fuel rail.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Fuel Injector
    Q:
    What should be done with the injector O-ring seals for the 2009 Chevrolet Trailblazer? Posted by Customer
    A:
    Remove and discard the injector O-ring seals from both ends of the injectors.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Fuel Injector
    Q:
    How can you ensure the correct fuel injector is ordered for the 2009 GMC Canyon? Posted by Customer
    A:
    Ensure the correct injector for the application is selected, as the fuel injector is stamped with a part number identification and a 4-digit build date code.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Fuel Injector
    Q:
    What should be done with the fuel injector retainer clip and O-ring seals during replacement for the 2009 GMC Savana 2500? Posted by Customer
    A:
    Take out the fuel injector retainer clip and the fuel injector, then discard the injector retainer clip and the fuel injector O-ring seals.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Fuel Injector
    Q:
    What should be done after disconnecting the electrical harness connectors for the 2008 GMC Envoy? Posted by Customer
    A:
    Carefully remove the fuel injector retainer clips and take out the fuel injectors from the fuel rail, discarding the injector retainer clips and the injector O-ring seals from both ends of the injectors.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Fuel Injector
    Q:
    What should be reinstalled after the fuel rail for the 2009 GMC Sierra 1500? Posted by Customer
    A:
    Reinstall the EVAP tube and purge solenoid, connecting the quick connect fittings at the EVAP canister and intake manifold.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Fuel Injector
    Q:
    What is the next step after reconnecting the fuel rail components for the 2008 GMC Yukon? Posted by Customer
    A:
    Reinstall the PCV hose, gather the engine wiring harness branches, and position them over the engine.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Fuel Injector
    Q:
    How can you ensure you order the correct fuel injectors for the 2009 GMC Savana 3500? Posted by Customer
    A:
    The fuel injector will have a stamped part number and a four-digit build date code indicating the month, day, year, and shift of manufacture.
    Posted by ChevyPartsGiant Specialist
    See vehicle specific detailed answers for this Fuel Injector
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM Injector 19421333 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 19421333 Injector is available in the market under the name GM Fuel Injector. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 19421333 Injector fits certain Chevrolet Colorado, Tahoe, SSR models, as well as GMC Sierra 1500, Yukon, Canyon. Additionally, it is compatible with Cadillac Escalade, Escalade EXT and Buick Rainier models.
The original GM component designated by manufacturer part number 19421333 maintains top performance when functioning as the Injector Assembly, Sequential Multiport Fuel; Fuel Injector unit. The component 19421333 is constructed from durable material. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Injector, Fuel Injection. The part 19421333 has available replacement options 12580681. Each vehicle needs 8 units of the part marked as SKU 19421333. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
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