The GMC/Chevy LB7 ran from 2001-2004 models. Check below for all your LB7 needs. If you don't see it, give us call and we will try to get it for you!
Not sure which engine your 2004 GM truck has? Check your VIN. If the 8th digit is a 1, you have the early 2004 LB7 engine. If the 8th digit is a 2, you have a 2004.5 Truck with the LLY engine.