| Astro & Safari |
M,L |
4.3L (LB4) |
Z |
TBI |
Magnetic |
| 4.3l (L35) |
W |
CPI |
Magnetic |
| Blazer & Yukon |
K |
5.7L (LO5) |
K |
TBI |
Magnetic |
| 6.2L (LH6) |
C |
Diesel |
N/A |
| 6.2L (LL4) |
J |
Diesel |
N/A |
| Lumina APV, Silhouette, & Trans Sport |
U |
3.1L (LG6) |
D |
TBI |
Magnetic |
| 3.8L (L27) |
L |
PFI |
C(3)I |
| Parcel/Delivery Commercial Van & Motorhome |
P |
4.3L (LB4) |
Z |
TBI |
Magnetic |
| 5.7L (LO5) |
K |
TBI |
Magnetic |
| 6.2L (LL4) |
J |
Diesel |
N/A |
| 7.4L (L19) |
N |
TBI |
Magnetic |
| Pickup (C/K 10/35) & Sierra |
C,K |
4.3L (LB4) |
Z |
TBI |
Magnetic |
| 5.0L (LO3) |
H |
TBI |
Magnetic |
| 5.7L (LO5) |
K |
TBI |
Magnetic |
| 5.7L (LO5) |
K |
CNG |
Magnetic |
| 6.2L (LH6) |
C |
Diesel |
N/A |
| 6.2L (LL4) |
J |
Diesel |
N/A |
| 6.5L (L65) |
F |
Turbo Diesel |
N/A |
| 7.4L (L19) |
N |
TBI |
Magnetic |
| Suburban |
C,K |
5.7L (LO5) |
K |
TBI |
Magnetic |
| 7.4L (L19) |
N |
TBI |
Magnetic |
| S/T Series Blazer, Bravada, Jimmy, Pickup, Sonoma & Typhoon |
S,T |
2.5L (L38) |
A |
TBI |
Magnetic |
| 2.8L (LL2) |
R |
TBI |
Magnetic |
| 4.3L (LB4) |
Z |
TBI |
Magnetic |
| 4.3L (LB4) |
Z |
PFI Turbo |
Magnetic |
| 4.3L (L35) |
W |
CPI |
Magnetic |
| Van (10/35), Rally Van & Vandura |
G |
4.3L (LB4) |
Z |
TBI |
Magnetic |
| 5.0L (LO3) |
H |
TBI |
Magnetic |
| 5.7L (LO5) |
K |
TBI |
Magnetic |
| 6.2L (LH6) |
C |
Diesel |
N/A |
| 6.2L (LL4) |
J |
Diesel |
N/A |
| 7.4L (L19) |
N |
TBI |
Magnetic |