Vehicle	Sub Model	Body	Engine	Notes
2003 Chevrolet Silverado 2500 HD	LS RWD	Extended Cab Pickup 4dr	6.0L V8 Naturally Aspirated OHV CNG	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	LS 4WD	Crew Cab Pickup 4dr	6.0L V8 Naturally Aspirated OHV CNG	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	Base RWD	Crew Cab Pickup 4dr	6.0L V8 Naturally Aspirated OHV CNG	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	Base 4WD	Crew Cab Pickup 4dr	6.0L V8 Naturally Aspirated OHV CNG	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	Base RWD	Extended Cab Pickup 4dr	6.0L V8 Naturally Aspirated OHV CNG	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	Base 4WD	Extended Cab Pickup 4dr	6.0L V8 Naturally Aspirated OHV CNG	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	Base RWD	Standard Cab Pickup 2dr	6.0L V8 Naturally Aspirated OHV CNG	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	LS 4WD	Extended Cab Pickup 4dr	6.0L V8 Naturally Aspirated OHV CNG	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	Base 4WD	Standard Cab Pickup 2dr	6.6L V8 Turbocharged OHV DIESEL	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	Base 4WD	Crew Cab Pickup 4dr	6.6L V8 Turbocharged OHV DIESEL	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	LT RWD	Crew Cab Pickup 4dr	6.6L V8 Turbocharged OHV DIESEL	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	LS RWD	Extended Cab Pickup 4dr	6.6L V8 Turbocharged OHV DIESEL	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	LS 4WD	Crew Cab Pickup 4dr	6.6L V8 Turbocharged OHV DIESEL	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	LT RWD	Extended Cab Pickup 4dr	6.6L V8 Turbocharged OHV DIESEL	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	Base RWD	Extended Cab Pickup 4dr	6.6L V8 Turbocharged OHV DIESEL	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	Base RWD	Crew Cab Pickup 4dr	6.6L V8 Turbocharged OHV DIESEL	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	LT 4WD	Crew Cab Pickup 4dr	6.6L V8 Turbocharged OHV DIESEL	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	Base RWD	Standard Cab Pickup 2dr	6.6L V8 Turbocharged OHV DIESEL	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	WT RWD	Standard Cab Pickup 2dr	6.0L V8 Naturally Aspirated OHV CNG	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	LS 4WD	Extended Cab Pickup 4dr	6.6L V8 Turbocharged OHV DIESEL	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	LS RWD	Standard Cab Pickup 2dr	6.6L V8 Turbocharged OHV DIESEL	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	WT 4WD	Standard Cab Pickup 2dr	6.0L V8 Naturally Aspirated OHV CNG	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	LT 4WD	Extended Cab Pickup 4dr	6.6L V8 Turbocharged OHV DIESEL	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	Base 4WD	Standard Cab Pickup 2dr	6.0L V8 Naturally Aspirated OHV CNG	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	LS 4WD	Standard Cab Pickup 2dr	6.0L V8 Naturally Aspirated OHV CNG	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	LS RWD	Standard Cab Pickup 2dr	6.0L V8 Naturally Aspirated OHV CNG	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	Base 4WD	Extended Cab Pickup 4dr	6.6L V8 Turbocharged OHV DIESEL	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	LS RWD	Crew Cab Pickup 4dr	6.6L V8 Turbocharged OHV DIESEL	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	LS RWD	Crew Cab Pickup 4dr	6.0L V8 Naturally Aspirated OHV CNG	Fits on the passenger's side of the Tailgate ONLY
2003 Chevrolet Silverado 2500 HD	LS 4WD	Standard Cab Pickup 2dr	6.6L V8 Turbocharged OHV DIESEL	Fits on the passenger's side of the Tailgate ONLY