Delphi EV6 Fuel Injector – GM LS / Vortec Applications
This Delphi EV6 fuel injector is a standard-size injector designed for GM LS and Vortec engines. It features a USCAR (EV6) electrical connector and a 2-hole nozzle for reliable fuel delivery and proper spray pattern in factory applications.
Commonly used on GM 4.8L, 5.3L, 6.0L, and 6.2L V8 engines, this injector is an OEM-style replacement that meets original performance specifications when installed in the correct application.
Injector Specifications
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Injector Type: Delphi EV6
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Body Style: Standard size
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Electrical Connector: USCAR (EV6)
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Nozzle Design: 2-hole
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Fuel System: Gasoline
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Engine Compatibility: GM LS / Vortec V8 engines
OEM & Interchange Part Numbers
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ACDelco: 217-1621
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GM: 12580681
Vehicle Fitment List
Buick
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2004–2007 Buick Rainier 5.3L V8
Cadillac
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2007–2008 Cadillac Escalade 6.2L V8
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2008–2009 Cadillac Escalade 6.0L V8
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2007–2008 Cadillac Escalade ESV 6.2L V8
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2007–2008 Cadillac Escalade EXT 6.2L V8
Chevrolet
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2004 Chevrolet SSR 5.3L V8
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2005–2006 Chevrolet SSR 6.0L V8
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2006–2008 Chevrolet Trailblazer 5.3L V8
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2006–2009 Chevrolet Trailblazer 6.0L V8
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2005–2006 Chevrolet Trailblazer EXT 5.3L V8
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2007–2009 Chevrolet Avalanche 5.3L V8
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2007–2008 Chevrolet Avalanche 6.0L V8
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2009 Chevrolet Colorado 5.3L V8
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2007–2009 Chevrolet Silverado 1500 4.8L V8
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2007–2009 Chevrolet Silverado 1500 5.3L V8
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2007–2009 Chevrolet Silverado 1500 6.0L V8
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2009 Chevrolet Silverado 1500 6.2L V8
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2007–2008 Chevrolet Silverado 2500 HD 6.0L V8
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2007–2008 Chevrolet Silverado 3500 HD 6.0L V8
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2007–2009 Chevrolet Suburban 1500 5.3L V8
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2007–2008 Chevrolet Suburban 1500 6.0L V8
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2007–2008 Chevrolet Suburban 2500 6.0L V8
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2007–2009 Chevrolet Tahoe 4.8L V8
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2007–2009 Chevrolet Tahoe 5.3L V8
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2008–2009 Chevrolet Tahoe 6.0L V8
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2008–2009 Chevrolet Tahoe 6.2L V8
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2008–2009 Chevrolet Express 2500 4.8L V8
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2008 Chevrolet Express 2500 6.0L V8
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2008–2009 Chevrolet Express 3500 4.8L V8
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2008 Chevrolet Express 3500 6.0L V8
GMC
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2005–2009 GMC Envoy 5.3L V8
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2005–2006 GMC Envoy XL 5.3L V8
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2005 GMC Envoy XUV 5.3L V8
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2009 GMC Canyon 5.3L V8
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2007–2009 GMC Sierra 1500 4.8L V8
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2007–2009 GMC Sierra 1500 5.3L V8
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2007–2009 GMC Sierra 1500 6.0L V8
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2007 GMC Sierra 1500 6.2L V8
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2007–2008 GMC Sierra 2500 HD 6.0L V8
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2007–2008 GMC Sierra 3500 HD 6.0L V8
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2007–2009 GMC Yukon 4.8L V8
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2007–2009 GMC Yukon 5.3L V8
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2008–2009 GMC Yukon 6.0L V8
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2007–2009 GMC Yukon 6.2L V8
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2007–2008 GMC Yukon XL 1500 5.3L V8
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2007–2008 GMC Yukon XL 1500 6.0L V8
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2007–2009 GMC Yukon XL 1500 6.2L V8
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2007–2008 GMC Yukon XL 2500 6.0L V8
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2008–2009 GMC Savana 2500 4.8L V8
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2008–2009 GMC Savana 2500 6.0L V8
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2008–2009 GMC Savana 3500 4.8L V8
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2008–2009 GMC Savana 3500 6.0L V8
Hummer
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2008 Hummer H2 6.2L V8
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2009 Hummer H3 5.3L V8
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2009 Hummer H3T 5.3L V8
Isuzu
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2005–2006 Isuzu Ascender 5.3L V8
Saab
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2005–2009 Saab
All orders are shipped within 1-2 business days from when payment is received.
Transit time varies based on service type requested:
First Class Mail: 3-7 business days
Priority Mail: 2-3 business days
Express Mail: 1-2 business days
Free Shipping options are generally First Class Mail.
For international shipments, make sure your address information is accurate. CS Performance assumes no liability once package leaves the United States. Please be sure your country is accepting packages from the US and you are aware of any duties or taxes your country may require upon package arrival.
Core Returns are completely optional and not required. When you order a set of fuel injectors from us, eligible part numbers will have a paper slip inside the shipping box. This paper slip will have all of the additional information regarding the return of your old cores for a varying price (depending on the part number you are looking to send in).
If your old cores are not eligible to be returned, you will not receive this paper slip within the shipping box, and no further action is required.
Thank you for your time and business, we appreciate it greatly!





