| 1986-1994 | Chevrolet | Astro | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. |
| 1986-1994 | GMC | Safari | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. |
| 1986 | Pontiac | Bonneville | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1986-1987 | Pontiac | Grand Prix | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1987 | Chevrolet | R10 | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1987 | Chevrolet | V10 | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1987-1988 | Chevrolet | R20 | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1987-1995 | Chevrolet | G10 | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1987-1995 | Chevrolet | G20 | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1987-1996 | Chevrolet | G30 | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1987 | GMC | R1500 | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1987 | GMC | R2500 | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1987 | GMC | V1500 | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1987-1990 | GMC | P4500 | 4.3L/262 | OHV V6 | LB4 | Vin "Z" | Chevrolet | Premium graphite. |
| 1987-1995 | GMC | G1500 | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1987-1995 | GMC | G2500 | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1987-1995 | GMC | G3500 | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1988-1994 | Chevrolet | S10 Blazer | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1988-1995 | Chevrolet | C1500 | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1988-1995 | Chevrolet | C2500 | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1988-1995 | Chevrolet | K1500 | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |
| 1988-1995 | Chevrolet | K2500 | 4.3L/262 | OHV V6 | Vin "Z" | Chevrolet | Premium graphite. Two required. |