1993-1992 Chevrolet Blazer, 1993-1992 Chevrolet C1500 Suburban, 1995-1991 Chevrolet C2500, 1993-1992 Chevrolet C2500 Suburban, 1995-1989 Chevrolet C3500, 1989-1988 Chevrolet C3500 Front, 1989-1988 Chevrolet C3500 Rear
- Pre-OBDII Super Duty Unit
- Not for sale or use on vehicles licensed in the states of CA, CO, ME, and NY. Restrictions may apply in other states. Check with your state authority for details.