| 1986 | Chevrolet C20 | | PRESS-ON; Except HEAVY DUTY HEATER (C42), A/C - MANUAL CONTROLS (C60) |
| 1983-1985 | Chevrolet C20 | | PRESS-ON; Except A/C - MANUAL CONTROLS (C60), HEAVY DUTY HEATER (C42) |
| 1982 | Chevrolet C20 | | PRESS-ON; Except A/C - MANUAL CONTROLS (C60), HIGH CAPACITY HEATER (C46) |
| 1981 | Chevrolet C20 | 5.0L V8 VIN: H CARB Naturally Aspirated GAS | EXCEPT A/C MAN CONTROL (C60) PRESS-ON |
| 1980-1981 | Chevrolet C20 | 5.7L V8 VIN: M CARB Naturally Aspirated GAS | EXCEPT A/C MAN CONTROL (C60) PRESS-ON |
| 1980-1981 | Chevrolet C20 | 7.4L V8 VIN: W CARB Naturally Aspirated GAS | EXCEPT A/C MAN CONTROL (C60) PRESS-ON |
| 1980 | Chevrolet C20 | 6.6L V8 VIN: X CARB Naturally Aspirated GAS | EXCEPT A/C MAN CONTROL (C60) PRESS-ON |
| 1980 | Chevrolet C20 | 5.7L V8 VIN: P CARB Naturally Aspirated GAS | EXCEPT A/C MAN CONTROL (C60) PRESS-ON |
| 1977-1979 | Chevrolet C20 | 6.6L V8 VIN: R CARB Naturally Aspirated GAS | EXCEPT A/C MAN CONTROL (C60) PRESS-ON |
| 1977-1978 | Chevrolet C20 | 5.0L V8 VIN: U CARB Naturally Aspirated GAS | EXCEPT A/C MAN CONTROL (C60) PRESS-ON |
| 1976-1981 | Chevrolet C20 | 5.7L V8 VIN: L CARB Naturally Aspirated GAS | EXCEPT A/C MAN CONTROL (C60) PRESS-ON |
| 1976-1981 | Chevrolet C20 | 4.1L 6 Cyl VIN: D CARB Naturally Aspirated GAS | EXCEPT A/C MAN CONTROL (C60) PRESS-ON |
| 1976-1980 | Chevrolet C20 | 7.4L V8 VIN: S CARB Naturally Aspirated GAS | EXCEPT A/C MAN CONTROL (C60) PRESS-ON |
| 1976-1978, 1980-1981 | Chevrolet C20 | 4.8L 6 Cyl VIN: T CARB Naturally Aspirated GAS | EXCEPT A/C MAN CONTROL (C60) PRESS-ON |
| 1976 | Chevrolet C20 | 6.6L V8 VIN: U CARB Naturally Aspirated GAS | EXCEPT A/C MAN CONTROL (C60) PRESS-ON |
| 1976 | Chevrolet C20 | 5.7L V8 VIN: V CARB Naturally Aspirated GAS | EXCEPT A/C MAN CONTROL (C60) PRESS-ON |
| 1975 | Chevrolet C20 | 7.4L V8 VIN: Z CARB Naturally Aspirated GAS | MOTOR HOMES HEATER MOTOR PRESS-ON |
| 1975 | Chevrolet C20 | 4.8L 6 Cyl VIN: T CARB Naturally Aspirated GAS | MOTOR HOMES HEATER MOTOR PRESS-ON |
| 1975 | Chevrolet C20 | 5.7L V8 VIN: V CARB Naturally Aspirated GAS | MOTOR HOMES HEATER MOTOR PRESS-ON |
| 1975 | Chevrolet C20 | 5.7L V8 VIN: Y CARB Naturally Aspirated GAS | MOTOR HOMES HEATER MOTOR PRESS-ON |
| 1975 | Chevrolet C20 | 4.1L 6 Cyl VIN: Q CARB Naturally Aspirated GAS | MOTOR HOMES HEATER MOTOR PRESS-ON |