Standard Ignition Fuel Injector P/N:FJ689RP6
Standard FJ503 fuel injector for the 1999-2007 Chevrolet Silverado 1500 V6 4.3L and other vehicles sprays fuel into the engine in a metered, calibrated pattern. This is a new MFI injector that comes with its O-ring.
A rough idle, hesitation or weaker fuel economy can come from a worn or clogged injector. Spark plugs, ignition coils, the fuel pump or a sensor can be behind the same signs too, so find the cause before buying. This listing is one injector, and the 1999-2007 Chevrolet Silverado 1500 V6 4.3L takes one.
The vehicles it fits include the 1999-2007 Chevrolet Silverado 1500 V6 4.3L and the 2000-2002 Chevrolet C1500 V6 4.3L, and it works as a GMC Sierra 1500 fuel injector for the 1999-2007 V6 4.3L. If your vehicle isn't named here, open the Buyer's Guide tab and check your exact model and engine.
Fit and size
Build and materials
One fuel injector with its O-ring.
Interchange: 2-38886 · 800-1512N
63885 · 12568332 · 19210688
This part cross-references / interchanges with the following part numbers:
Is the Standard FJ503 a Chevy Silverado 1500 fuel injector for 1999-2007 trucks with the V6 4.3L?
Yes. Standard FJ503 fits the 1999-2007 Chevrolet Silverado 1500 V6 4.3L, with a quantity of 1 per application.
Is FJ503 a Chevrolet C1500 fuel injector for 2000-2002 models with the V6 4.3L?
Yes. Standard FJ503 fits the 2000-2002 Chevrolet C1500 V6 4.3L. For another model, use the Buyer's Guide tab to match your exact engine.
Does the Standard FJ503 fuel injector come with an O-ring?
Yes. This injector includes an O-ring, and the O-rings are high-temperature Viton® that seal in extreme conditions.
What kind of connector does this fuel injector have?
This injector has 12 male pin terminals made of corrosion-resistant brass. Its system type is MFI.
Is the Standard FJ503 tested before it ships?
Yes. Standard FJ503 is end-of-line tested and calibrated, and it is validated through lab, climate and real-world vehicle testing in the USA.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.