Part DescriptionCYCLING PRESSURE SWITCH
TypeCycling
ColorWhite/Black
Fitting7/16-20 F
NormalOpen
Closed44psi
Open24psi
Aftermarket Num15-2647
PigtailMT0135
OringMT0242

Substitutes

CLUTCH CYCLING PRESSURE SWITCH MT0204

Applications

1993 Buick Regal V6 3.8L 3800cc 231cid
1993 Chevrolet C1500 V6 4.3L 262cid
1993 Chevrolet C1500 V8 5.0L 305cid
1993 Chevrolet C1500 V8 5.7L 350cid
1993 Chevrolet C1500 V8 6.2L 379cid
1993 Chevrolet C1500 V8 7.4L 454cid
1993 Chevrolet C1500 Suburban V8 5.7L 350cid
1993 Chevrolet C2500 V6 4.3L 262cid
1993 Chevrolet C2500 V8 5.0L 305cid
1993 Chevrolet C2500 V8 5.7L 350cid
1993 Chevrolet C2500 V8 6.2L 379cid
1993 Chevrolet C2500 V8 6.5L 395cid
1993 Chevrolet C2500 V8 7.4L 454cid
1993 Chevrolet C2500 Suburban V8 5.7L 350cid
1993 Chevrolet C2500 Suburban V8 7.4L 454cid
1993 Chevrolet C3500 V8 5.7L 350cid
1993 Chevrolet C3500 V8 6.2L 379cid
1993 Chevrolet C3500 V8 6.5L 395cid
1993 Chevrolet C3500 V8 7.4L 454cid
1993 Chevrolet K1500 V6 4.3L 262cid
1993 Chevrolet K1500 V8 5.0L 305cid
1993 Chevrolet K1500 V8 5.7L 350cid
1993 Chevrolet K1500 V8 6.2L 379cid
1993 Chevrolet K1500 Suburban V8 5.7L 350cid
1993 Chevrolet K2500 V6 4.3L 262cid
1993 Chevrolet K2500 V8 5.0L 305cid
1993 Chevrolet K2500 V8 5.7L 350cid
1993 Chevrolet K2500 V8 6.2L 379cid
1993 Chevrolet K2500 V8 6.5L 395cid
1993 Chevrolet K2500 V8 7.4L 454cid
1993 Chevrolet K2500 Suburban V8 5.7L 350cid
1993 Chevrolet K2500 Suburban V8 7.4L 454cid
1993 Chevrolet K3500 V8 5.7L 350cid
1993 Chevrolet K3500 V8 6.2L 379cid
1993 Chevrolet K3500 V8 6.5L 395cid
1993 Chevrolet K3500 V8 7.4L 454cid
1993 Chevrolet Lumina APV V6 3.1L 189cid
1993 Chevrolet Lumina APV V6 3.8L 3800cc 231cid
1993 Chevrolet S10 L4 2.5L 2474cc 151cid
1993 Chevrolet S10 V6 2.8L 173cid
1993 Chevrolet S10 V6 4.3L 262cid
1993 Chevrolet S10 Blazer V6 4.3L 262cid
1993 GMC C1500 V6 4.3L 262cid
1993 GMC C1500 V8 5.0L 305cid
1993 GMC C1500 V8 5.7L 350cid
1993 GMC C1500 V8 6.2L 379cid
1993 GMC C1500 Suburban V8 5.7L 350cid
1993 GMC C2500 V6 4.3L 262cid
1993 GMC C2500 V8 5.0L 305cid
1993 GMC C2500 V8 5.7L 350cid
1993 GMC C2500 V8 6.2L 379cid
1993 GMC C2500 V8 6.5L 395cid
1993 GMC C2500 V8 7.4L 454cid
1993 GMC C2500 Suburban V8 5.7L 350cid
1993 GMC C2500 Suburban V8 7.4L 454cid
1993 GMC C3500 V8 5.7L 350cid
1993 GMC C3500 V8 6.2L 379cid
1993 GMC C3500 V8 6.5L 395cid
1993 GMC C3500 V8 7.4L 454cid
1993 GMC Jimmy V6 4.3L 262cid
1993 GMC K1500 V6 4.3L 262cid
1993 GMC K1500 V8 5.0L 305cid
1993 GMC K1500 V8 5.7L 350cid
1993 GMC K1500 V8 6.2L 379cid
1993 GMC K1500 Suburban V8 5.7L 350cid
1993 GMC K2500 V6 4.3L 262cid
1993 GMC K2500 V8 5.0L 305cid
1993 GMC K2500 V8 5.7L 350cid
1993 GMC K2500 V8 6.2L 379cid
1993 GMC K2500 V8 6.5L 395cid
1993 GMC K2500 V8 7.4L 454cid
1993 GMC K2500 Suburban V8 5.7L 350cid
1993 GMC K2500 Suburban V8 7.4L 454cid
1993 GMC K3500 V8 5.7L 350cid
1993 GMC K3500 V8 6.2L 379cid
1993 GMC K3500 V8 6.5L 395cid
1993 GMC K3500 V8 7.4L 454cid
1993 GMC Sonoma L4 2.5L 2474cc 151cid
1993 GMC Sonoma V6 2.8L 173cid
1993 GMC Sonoma V6 4.3L 262cid
1993 GMC Typhoon V6 4.3L 262cid
1993 Oldsmobile Silhouette V6 3.1L 189cid
1993 Oldsmobile Silhouette V6 3.8L 3800cc 231cid
1993 Pontiac Trans Sport V6 3.1L 189cid
1993 Pontiac Trans Sport V6 3.8L 3800cc 231cid
1992 Buick Regal V6 3.8L 3800cc 231cid
1992 Chevrolet C1500 V6 4.3L 262cid
1992 Chevrolet C1500 V8 5.0L 305cid
1992 Chevrolet C1500 V8 5.7L 350cid
1992 Chevrolet C1500 V8 6.2L 379cid
1992 Chevrolet C1500 V8 7.4L 454cid
1992 Chevrolet C1500 Suburban V8 5.7L 350cid
1992 Chevrolet C2500 V6 4.3L 262cid
1992 Chevrolet C2500 V8 5.0L 305cid
1992 Chevrolet C2500 V8 5.7L 350cid
1992 Chevrolet C2500 V8 6.2L 379cid
1992 Chevrolet C2500 V8 6.5L 395cid
1992 Chevrolet C2500 V8 7.4L 454cid
1992 Chevrolet C2500 Suburban V8 5.7L 350cid
1992 Chevrolet C2500 Suburban V8 7.4L 454cid
1992 Chevrolet C3500 V8 5.7L 350cid
1992 Chevrolet C3500 V8 6.2L 379cid
1992 Chevrolet C3500 V8 6.5L 395cid
1992 Chevrolet C3500 V8 7.4L 454cid
1992 Chevrolet K1500 V6 4.3L 262cid
1992 Chevrolet K1500 V8 5.0L 305cid
1992 Chevrolet K1500 V8 5.7L 350cid
1992 Chevrolet K1500 V8 6.2L 379cid
1992 Chevrolet K1500 Suburban V8 5.7L 350cid
1992 Chevrolet K2500 V6 4.3L 262cid
1992 Chevrolet K2500 V8 5.0L 305cid
1992 Chevrolet K2500 V8 5.7L 350cid
1992 Chevrolet K2500 V8 6.2L 379cid
1992 Chevrolet K2500 V8 6.5L 395cid
1992 Chevrolet K2500 V8 7.4L 454cid
1992 Chevrolet K2500 Suburban V8 5.7L 350cid
1992 Chevrolet K2500 Suburban V8 7.4L 454cid
1992 Chevrolet K3500 V8 5.7L 350cid
1992 Chevrolet K3500 V8 6.2L 379cid
1992 Chevrolet K3500 V8 6.5L 395cid
1992 Chevrolet K3500 V8 7.4L 454cid
1992 Chevrolet Lumina APV V6 3.1L 189cid
1992 Chevrolet Lumina APV V6 3.8L 3800cc 231cid
1992 Chevrolet S10 L4 2.5L 2474cc 151cid
1992 Chevrolet S10 V6 2.8L 173cid
1992 Chevrolet S10 V6 4.3L 262cid
1992 Chevrolet S10 Blazer V6 4.3L 262cid
1992 GMC C1500 V6 4.3L 262cid
1992 GMC C1500 V8 5.0L 305cid
1992 GMC C1500 V8 5.7L 350cid
1992 GMC C1500 V8 6.2L 379cid
1992 GMC C1500 Suburban V8 5.7L 350cid
1992 GMC C2500 V6 4.3L 262cid
1992 GMC C2500 V8 5.0L 305cid
1992 GMC C2500 V8 5.7L 350cid
1992 GMC C2500 V8 6.2L 379cid
1992 GMC C2500 V8 6.5L 395cid
1992 GMC C2500 V8 7.4L 454cid
1992 GMC C2500 Suburban V8 5.7L 350cid
1992 GMC C2500 Suburban V8 7.4L 454cid
1992 GMC C3500 V8 5.7L 350cid
1992 GMC C3500 V8 6.2L 379cid
1992 GMC C3500 V8 6.5L 395cid
1992 GMC C3500 V8 7.4L 454cid
1992 GMC Jimmy V6 4.3L 262cid
1992 GMC K1500 V6 4.3L 262cid
1992 GMC K1500 V8 5.0L 305cid
1992 GMC K1500 V8 5.7L 350cid
1992 GMC K1500 V8 6.2L 379cid
1992 GMC K1500 Suburban V8 5.7L 350cid
1992 GMC K2500 V6 4.3L 262cid
1992 GMC K2500 V8 5.0L 305cid
1992 GMC K2500 V8 5.7L 350cid
1992 GMC K2500 V8 6.2L 379cid
1992 GMC K2500 V8 6.5L 395cid
1992 GMC K2500 V8 7.4L 454cid
1992 GMC K2500 Suburban V8 5.7L 350cid
1992 GMC K2500 Suburban V8 7.4L 454cid
1992 GMC K3500 V8 5.7L 350cid
1992 GMC K3500 V8 6.2L 379cid
1992 GMC K3500 V8 6.5L 395cid
1992 GMC K3500 V8 7.4L 454cid
1992 GMC Sonoma L4 2.5L 2474cc 151cid
1992 GMC Sonoma V6 2.8L 173cid
1992 GMC Sonoma V6 4.3L 262cid
1992 GMC Typhoon V6 4.3L 262cid
1992 Oldsmobile Silhouette V6 3.1L 189cid
1992 Oldsmobile Silhouette V6 3.8L 3800cc 231cid
1992 Pontiac Trans Sport V6 3.1L 189cid
1992 Pontiac Trans Sport V6 3.8L 3800cc 231cid
1991 Buick Regal V6 3.8L 3800cc 231cid
1991 Chevrolet C1500 V6 4.3L 262cid
1991 Chevrolet C1500 V8 5.0L 305cid
1991 Chevrolet C1500 V8 5.7L 350cid
1991 Chevrolet C1500 V8 6.2L 379cid
1991 Chevrolet C1500 V8 7.4L 454cid
1991 Chevrolet C2500 V6 4.3L 262cid
1991 Chevrolet C2500 V8 5.0L 305cid
1991 Chevrolet C2500 V8 5.7L 350cid
1991 Chevrolet C2500 V8 6.2L 379cid
1991 Chevrolet C2500 V8 7.4L 454cid
1991 Chevrolet C3500 V8 5.7L 350cid
1991 Chevrolet C3500 V8 6.2L 379cid
1991 Chevrolet C3500 V8 7.4L 454cid
1991 Chevrolet K1500 V6 4.3L 262cid
1991 Chevrolet K1500 V8 5.0L 305cid
1991 Chevrolet K1500 V8 5.7L 350cid
1991 Chevrolet K1500 V8 6.2L 379cid
1991 Chevrolet K2500 V6 4.3L 262cid
1991 Chevrolet K2500 V8 5.0L 305cid
1991 Chevrolet K2500 V8 5.7L 350cid
1991 Chevrolet K2500 V8 6.2L 379cid
1991 Chevrolet K2500 V8 7.4L 454cid
1991 Chevrolet K3500 V8 5.7L 350cid
1991 Chevrolet K3500 V8 6.2L 379cid
1991 Chevrolet K3500 V8 7.4L 454cid
1991 Chevrolet R1500 Suburban V8 5.7L 350cid
1991 Chevrolet R1500 Suburban V8 6.2L 379cid
1991 Chevrolet R2500 Suburban V8 5.7L 350cid
1991 Chevrolet R2500 Suburban V8 6.2L 379cid
1991 Chevrolet R2500 Suburban V8 7.4L 454cid
1991 Chevrolet R3500 V8 5.7L 350cid
1991 Chevrolet R3500 V8 6.2L 379cid
1991 Chevrolet R3500 V8 7.4L 454cid
1991 Chevrolet S10 L4 2.5L 2474cc 151cid
1991 Chevrolet S10 V6 2.8L 173cid
1991 Chevrolet S10 V6 4.3L 262cid
1991 Chevrolet S10 Blazer V6 4.3L 262cid
1991 Chevrolet V1500 Suburban V8 5.7L 350cid
1991 Chevrolet V1500 Suburban V8 6.2L 379cid
1991 Chevrolet V2500 Suburban V8 5.7L 350cid
1991 Chevrolet V2500 Suburban V8 6.2L 379cid
1991 Chevrolet V3500 V8 5.7L 350cid
1991 Chevrolet V3500 V8 6.2L 379cid
1991 Chevrolet V3500 V8 7.4L 454cid
1991 GMC C1500 V6 4.3L 262cid
1991 GMC C1500 V8 5.0L 305cid
1991 GMC C1500 V8 5.7L 350cid
1991 GMC C1500 V8 6.2L 379cid
1991 GMC C2500 V6 4.3L 262cid
1991 GMC C2500 V8 5.0L 305cid
1991 GMC C2500 V8 5.7L 350cid
1991 GMC C2500 V8 6.2L 379cid
1991 GMC C2500 V8 7.4L 454cid
1991 GMC C3500 V8 5.7L 350cid
1991 GMC C3500 V8 6.2L 379cid
1991 GMC C3500 V8 7.4L 454cid
1991 GMC K1500 V6 4.3L 262cid
1991 GMC K1500 V8 5.0L 305cid
1991 GMC K1500 V8 5.7L 350cid
1991 GMC K1500 V8 6.2L 379cid
1991 GMC K2500 V6 4.3L 262cid
1991 GMC K2500 V8 5.0L 305cid
1991 GMC K2500 V8 5.7L 350cid
1991 GMC K2500 V8 6.2L 379cid
1991 GMC K2500 V8 7.4L 454cid
1991 GMC K3500 V8 5.7L 350cid
1991 GMC K3500 V8 6.2L 379cid
1991 GMC K3500 V8 7.4L 454cid
1991 GMC R1500 Suburban V8 5.7L 350cid
1991 GMC R1500 Suburban V8 6.2L 379cid
1991 GMC R2500 Suburban V8 5.7L 350cid
1991 GMC R2500 Suburban V8 6.2L 379cid
1991 GMC R2500 Suburban V8 7.4L 454cid
1991 GMC R3500 V8 5.7L 350cid
1991 GMC R3500 V8 6.2L 379cid
1991 GMC R3500 V8 7.4L 454cid
1991 GMC S15 Jimmy V6 4.3L 262cid
1991 GMC Sonoma L4 2.5L 2474cc 151cid
1991 GMC Sonoma V6 2.8L 173cid
1991 GMC Sonoma V6 4.3L 262cid
1991 GMC Syclone V6 4.3L 262cid
1991 GMC V1500 Suburban V8 5.7L 350cid
1991 GMC V1500 Suburban V8 6.2L 379cid
1991 GMC V2500 Suburban V8 5.7L 350cid
1991 GMC V2500 Suburban V8 6.2L 379cid
1991 GMC V3500 V8 5.7L 350cid
1991 GMC V3500 V8 6.2L 379cid
1991 GMC V3500 V8 7.4L 454cid
1990 Buick Regal V6 3.8L 3800cc 231cid
1990 Chevrolet C1500 V6 4.3L 262cid
1990 Chevrolet C1500 V8 5.0L 305cid
1990 Chevrolet C1500 V8 5.7L 350cid
1990 Chevrolet C1500 V8 6.2L 379cid
1990 Chevrolet C1500 V8 7.4L 454cid
1990 Chevrolet C2500 V6 4.3L 262cid
1990 Chevrolet C2500 V8 5.0L 305cid
1990 Chevrolet C2500 V8 5.7L 350cid
1990 Chevrolet C2500 V8 6.2L 379cid
1990 Chevrolet C3500 V8 5.7L 350cid
1990 Chevrolet C3500 V8 6.2L 379cid
1990 Chevrolet C3500 V8 7.4L 454cid
1990 Chevrolet K1500 V6 4.3L 262cid
1990 Chevrolet K1500 V8 5.0L 305cid
1990 Chevrolet K1500 V8 5.7L 350cid
1990 Chevrolet K1500 V8 6.2L 379cid
1990 Chevrolet K2500 V6 4.3L 262cid
1990 Chevrolet K2500 V8 5.0L 305cid
1990 Chevrolet K2500 V8 5.7L 350cid
1990 Chevrolet K2500 V8 6.2L 379cid
1990 Chevrolet K3500 V8 5.7L 350cid
1990 Chevrolet K3500 V8 6.2L 379cid
1990 Chevrolet K3500 V8 7.4L 454cid
1990 Chevrolet R1500 Suburban V8 5.7L 350cid
1990 Chevrolet R1500 Suburban V8 6.2L 379cid
1990 Chevrolet R2500 Suburban V8 5.7L 350cid
1990 Chevrolet R2500 Suburban V8 6.2L 379cid
1990 Chevrolet R2500 Suburban V8 7.4L 454cid
1990 Chevrolet R3500 V8 5.7L 350cid
1990 Chevrolet R3500 V8 6.2L 379cid
1990 Chevrolet R3500 V8 7.4L 454cid
1990 Chevrolet S10 L4 2.5L 2474cc 151cid
1990 Chevrolet S10 V6 2.8L 173cid
1990 Chevrolet S10 V6 4.3L 262cid
1990 Chevrolet V1500 Suburban V8 5.7L 350cid
1990 Chevrolet V1500 Suburban V8 6.2L 379cid
1990 Chevrolet V2500 Suburban V8 5.7L 350cid
1990 Chevrolet V2500 Suburban V8 6.2L 379cid
1990 Chevrolet V2500 Suburban V8 7.4L 454cid
1990 Chevrolet V3500 V8 5.7L 350cid
1990 Chevrolet V3500 V8 6.2L 379cid
1990 Chevrolet V3500 V8 7.4L 454cid
1990 GMC C1500 V6 4.3L 262cid
1990 GMC C1500 V8 5.0L 305cid
1990 GMC C1500 V8 5.7L 350cid
1990 GMC C1500 V8 6.2L 379cid
1990 GMC C2500 V6 4.3L 262cid
1990 GMC C2500 V8 5.0L 305cid
1990 GMC C2500 V8 5.7L 350cid
1990 GMC C2500 V8 6.2L 379cid
1990 GMC C3500 V8 5.7L 350cid
1990 GMC C3500 V8 6.2L 379cid
1990 GMC C3500 V8 7.4L 454cid
1990 GMC K1500 V6 4.3L 262cid
1990 GMC K1500 V8 5.0L 305cid
1990 GMC K1500 V8 5.7L 350cid
1990 GMC K1500 V8 6.2L 379cid
1990 GMC K2500 V6 4.3L 262cid
1990 GMC K2500 V8 5.0L 305cid
1990 GMC K2500 V8 5.7L 350cid
1990 GMC K2500 V8 6.2L 379cid
1990 GMC K3500 V8 5.7L 350cid
1990 GMC K3500 V8 6.2L 379cid
1990 GMC K3500 V8 7.4L 454cid
1990 GMC R1500 Suburban V8 5.7L 350cid
1990 GMC R1500 Suburban V8 6.2L 379cid
1990 GMC R2500 Suburban V8 5.7L 350cid
1990 GMC R2500 Suburban V8 6.2L 379cid
1990 GMC R2500 Suburban V8 7.4L 454cid
1990 GMC R3500 V8 5.7L 350cid
1990 GMC R3500 V8 6.2L 379cid
1990 GMC R3500 V8 7.4L 454cid
1990 GMC S15 L4 2.5L 2474cc 151cid
1990 GMC S15 V6 2.8L 173cid
1990 GMC S15 V6 4.3L 262cid
1990 GMC S15 Jimmy V6 4.3L 262cid
1990 GMC V1500 Suburban V8 5.7L 350cid
1990 GMC V1500 Suburban V8 6.2L 379cid
1990 GMC V2500 Suburban V8 5.7L 350cid
1990 GMC V2500 Suburban V8 6.2L 379cid
1990 GMC V3500 V8 5.7L 350cid
1990 GMC V3500 V8 6.2L 379cid
1990 GMC V3500 V8 7.4L 454cid
1989 Chevrolet C1500 V6 4.3L 262cid
1989 Chevrolet C1500 V8 5.0L 305cid
1989 Chevrolet C1500 V8 5.7L 350cid
1989 Chevrolet C1500 V8 6.2L 379cid
1989 Chevrolet C2500 V6 4.3L 262cid
1989 Chevrolet C2500 V8 5.0L 305cid
1989 Chevrolet C2500 V8 5.7L 350cid
1989 Chevrolet C2500 V8 6.2L 379cid
1989 Chevrolet C3500 V8 5.7L 350cid
1989 Chevrolet C3500 V8 6.2L 379cid
1989 Chevrolet C3500 V8 7.4L 454cid
1989 Chevrolet K1500 V6 4.3L 262cid
1989 Chevrolet K1500 V8 5.0L 305cid
1989 Chevrolet K1500 V8 5.7L 350cid
1989 Chevrolet K1500 V8 6.2L 379cid
1989 Chevrolet K2500 V6 4.3L 262cid
1989 Chevrolet K2500 V8 5.0L 305cid
1989 Chevrolet K2500 V8 5.7L 350cid
1989 Chevrolet K2500 V8 6.2L 379cid
1989 Chevrolet K3500 V8 5.7L 350cid
1989 Chevrolet K3500 V8 6.2L 379cid
1989 Chevrolet K3500 V8 7.4L 454cid
1989 Chevrolet R1500 Suburban V8 5.7L 350cid
1989 Chevrolet R1500 Suburban V8 6.2L 379cid
1989 Chevrolet R2500 V8 6.2L 379cid
1989 Chevrolet R2500 V8 7.4L 454cid
1989 Chevrolet R2500 Suburban V8 5.7L 350cid
1989 Chevrolet R2500 Suburban V8 6.2L 379cid
1989 Chevrolet R2500 Suburban V8 7.4L 454cid
1989 Chevrolet R3500 V8 5.7L 350cid
1989 Chevrolet R3500 V8 6.2L 379cid
1989 Chevrolet R3500 V8 7.4L 454cid
1989 Chevrolet S10 L4 2.5L 2474cc 151cid
1989 Chevrolet S10 V6 2.8L 173cid
1989 Chevrolet S10 V6 4.3L 262cid
1989 Chevrolet V1500 Suburban V8 5.7L 350cid
1989 Chevrolet V1500 Suburban V8 6.2L 379cid
1989 Chevrolet V2500 Suburban V8 5.7L 350cid
1989 Chevrolet V2500 Suburban V8 6.2L 379cid
1989 Chevrolet V3500 V8 5.7L 350cid
1989 Chevrolet V3500 V8 6.2L 379cid
1989 Chevrolet V3500 V8 7.4L 454cid
1989 GMC C1500 V6 4.3L 262cid
1989 GMC C1500 V8 5.0L 305cid
1989 GMC C1500 V8 5.7L 350cid
1989 GMC C1500 V8 6.2L 379cid
1989 GMC C2500 V6 4.3L 262cid
1989 GMC C2500 V8 5.0L 305cid
1989 GMC C2500 V8 5.7L 350cid
1989 GMC C2500 V8 6.2L 379cid
1989 GMC C3500 V8 5.7L 350cid
1989 GMC C3500 V8 6.2L 379cid
1989 GMC C3500 V8 7.4L 454cid
1989 GMC K1500 V6 4.3L 262cid
1989 GMC K1500 V8 5.0L 305cid
1989 GMC K1500 V8 5.7L 350cid
1989 GMC K1500 V8 6.2L 379cid
1989 GMC K2500 V6 4.3L 262cid
1989 GMC K2500 V8 5.0L 305cid
1989 GMC K2500 V8 5.7L 350cid
1989 GMC K2500 V8 6.2L 379cid
1989 GMC K3500 V8 5.7L 350cid
1989 GMC K3500 V8 6.2L 379cid
1989 GMC K3500 V8 7.4L 454cid
1989 GMC R1500 Suburban V8 5.7L 350cid
1989 GMC R1500 Suburban V8 6.2L 379cid
1989 GMC R2500 V8 5.7L 350cid
1989 GMC R2500 V8 6.2L 379cid
1989 GMC R2500 V8 7.4L 454cid
1989 GMC R2500 Suburban V8 5.7L 350cid