Fits the following 1998 GMC C3500 Submodels:
- C3500 CAB CHASSIS 135.5, C3500 CAB CHASSIS 159.9, C3500 CAB CHASSIS 183.5, C3500 CREW CAB LONG WHEELBASE, C3500 CREW CAB SHORT WHEELBASE, C3500 EXTENDED CAB, C3500 REGULAR CAB, K2500 EXTENDED CAB STANDARD BOX | 8 Cyl 5.7L, 8 Cyl 6.5L Diesel, 8 Cyl 7.4L