| Manufacture | Number |
| ACDelco | MU1177 |
| Airtex | E3572M |
| Bosch Automotive | 69364 |
| Carter | P76108M |
| Herko Automotive | 132GE |
| GMB | 599-2020 |
| GMB | 5992020 |
| Delphi | FG0392 |
| Delphi | FG0466 |
| Pierce | P1564M |
| Spectra Premium | SP6001M |
| Ford | 15173399 |
| Ford | 15205630 |
| Year | Make | Model | Engine | Notes |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FULL HYBRID EV-GAS (FHEV) OHV Naturally Aspirated | |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2004 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | w/ Fuel Gauge Sender |
| 2004 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | w/ Fuel Gauge Sender |
| 2004 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | w/ Fuel Gauge Sender |
| 2004 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | w/ Fuel Gauge Sender |
| 2004 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | w/ Fuel Gauge Sender |
| 2004 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | w/ Fuel Gauge Sender |
| 2004 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | w/ Fuel Gauge Sender |
| 2004 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | w/ Fuel Gauge Sender |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FULL HYBRID EV-GAS (FHEV) OHV Naturally Aspirated | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FULL HYBRID EV-GAS (FHEV) OHV Naturally Aspirated | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated |
| Year | Make | Model | Engine | Trim | Notes |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Base Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Base Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | SLE Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | SLE Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | SLE Crew Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | SLT Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | SLT Crew Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | WT Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2004 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | WT Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Base Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Base Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | LS Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | LS Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | LS Crew Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | LT Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | LT Crew Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | WT Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | WT Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Z71 Off-Road Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Z71 Off-Road Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Z71 Off-Road Crew Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Base Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Base Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | HT Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | SL Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | SL Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | SLE Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | SLE Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | SLT Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2002 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | WT Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Base Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Base Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | LS Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | LS Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | LT Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | WT Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Base Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Base Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | SL Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | SL Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | SLE Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | SLE Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | SLT Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | WT Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2003 | GMC | Sierra 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | WT Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Base Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | Base Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | LS Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | LS Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | LT Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | WT Standard Cab Pickup 2-Door | Vin Z, Flex Fuel Only |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated | WT Extended Cab Pickup 4-Door | Vin Z, Flex Fuel Only |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | Base | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | Base | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | LS | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | LS | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | LT | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | LT | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | WT | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | WT | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | Z71 Off-Road | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | Z71 Off-Road | |
| 2004 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FULL HYBRID EV-GAS (FHEV) OHV Naturally Aspirated | Hybrid | |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | Base | |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | Base | |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | LS | |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | LS | |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | LT | |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | LT | |
| 2003 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | WT | |
| 2004 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | Base | w/ Fuel Gauge Sender |
| 2004 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | Base | w/ Fuel Gauge Sender |
| 2004 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | SLE | w/ Fuel Gauge Sender |
| 2004 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | SLE | w/ Fuel Gauge Sender |
| 2004 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | SLT | w/ Fuel Gauge Sender |
| 2004 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | SLT | w/ Fuel Gauge Sender |
| 2004 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | WT | w/ Fuel Gauge Sender |
| 2004 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | WT | w/ Fuel Gauge Sender |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FULL HYBRID EV-GAS (FHEV) OHV Naturally Aspirated | Hybrid | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | Base | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | Base | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | LS | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | LS | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | LT | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | LT | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | WT | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | WT | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | Z71 Off-Road | |
| 2005 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | Z71 Off-Road | |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | Base | |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | Base | |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | LS | |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | LS | |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | LT | |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | LT | |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | WT | |
| 2002 | Chevrolet | Silverado 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | WT | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | Base | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | Base | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | SLE | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | SLE | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | SLT | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | SLT | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | WT | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | WT | |
| 2005 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FULL HYBRID EV-GAS (FHEV) OHV Naturally Aspirated | Hybrid | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | Base | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | Base | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | HT | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | HT | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | SL | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | SL | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | SLE | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | SLE | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | SLT | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | SLT | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | WT | |
| 2002 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | WT | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | Base | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | Base | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | SL | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | SL | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | SLE | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | SLE | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | SLT | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | SLT | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 GAS OHV Naturally Aspirated | WT | |
| 2003 | GMC | Sierra 1500 | 5.3L 325Cu.In. V8 FLEX OHV Naturally Aspirated | WT |