General Motors option code
J50
J50: a General Motors factory option code reused for more than one part across 1963–1979 and 6 models — see the table for what it named each year, with installs and price where a source states them.
General Motors reused this code for more than one part over the years — read the "as named that year" column for what it meant on each row rather than assuming one meaning throughout.
6 models · 17 model years · 13 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1963 | Chevrolet Chevy II and Nova | Power brakes (200-400) RPO | Unknown | Unknown |
| 1964 | Chevrolet Chevelle and Malibu SS | Vacuum Power Brakes RPO | $43.05 | 37,739 Reported |
| 1964 | Oldsmobile Cutlass, 4-4-2 and Hurst/Olds | Brakes, Pedal-Ease power RPO | $42.50 | Unknown |
| 1965 | Chevrolet Chevelle and Malibu SS | Vacuum power brakes RPO | $43.05 | 29,236 Reported |
| 1965 | Oldsmobile Cutlass, 4-4-2 and Hurst/Olds | Brakes, Pedal-Ease power RPO | $42.50 | Unknown |
| 1966 | Chevrolet Chevelle and Malibu SS | Power brakes RPO | $42.15 | 33,695 Reported |
| 1966 | Chevrolet Chevy II and Nova | Power brakes (all except 11100) RPO | Unknown | Unknown |
| 1966 | Oldsmobile Cutlass, 4-4-2 and Hurst/Olds | Brakes, Pedal-Ease power RPO | $41.60 | Unknown |
| 1966 | Oldsmobile Starfire | Brakes, Pedal-Ease power RPO | $42.10 | Unknown |
| 1967 | Chevrolet Chevelle and Malibu SS | Power brakes RPO | $42.15 | 36,992 Reported |
| 1967 | Chevrolet Chevy II and Nova | Power brakes (113-114-115-116-11800) RPO | Unknown | Unknown |
| 1967 | Oldsmobile Cutlass, 4-4-2 and Hurst/Olds | Brakes, Pedal-Ease power (N.A. with J52) RPO | $41.60 | Unknown |
| 1968 | Chevrolet Chevelle and Malibu SS | Power brakes RPO | $42.15 | 59,937 Reported |
| 1968 | Chevrolet Chevy II and Nova | Power brakes, drum RPO | $42.15 | Unknown |
| 1968 | Oldsmobile Cutlass, 4-4-2 and Hurst/Olds | Brakes, Pedal-Ease power (N.A. with J52) RPO | $41.60 | Unknown |
| 1969 | Chevrolet Chevelle and Malibu SS | Power Brake Equipment RPO | $42.15 | 164,075 Reported |
| 1969 | Oldsmobile Cutlass, 4-4-2 and Hurst/Olds | Brakes, Pedal-Ease power (N.A. with JL2 or W30) RPO | $41.60 | Unknown |
| 1970 | Chevrolet Chevelle and Malibu SS | Vacuum power brake equipment RPO | $42.15 | 180,113 Reported |
| 1970 | Pontiac Firebird and Trans Am | Wonder Touch Power Brakes (sales code 502) RPO/UPC | $42.13 | Unknown |
| 1971 | Chevrolet Chevelle and Malibu SS | Power Brakes, Drum - n/a on SS RPO | $47.40 | 124,996 Reported |
| 1971 | Chevrolet Chevy II and Nova | Power drum brakes (not with Nova SS) RPO | $47.40 | Unknown |
| 1971 | Pontiac Firebird and Trans Am | Power Front Brakes (sales code 502) RPO/UPC | $47.39 | Unknown |
| 1972 | Chevrolet Chevelle and Malibu SS | Power Brakes, Drum - n/a when SS Equipment ordered RPO | $48.65 | 187,151 Reported |
| 1972 | Chevrolet Chevy II and Nova | Power drum brakes (not with Nova SS) RPO | $48.45 | Unknown |
| 1972 | Pontiac Firebird and Trans Am | Power Front Brakes (sales code 502) RPO/UPC | $46 | Unknown |
| 1973 | Chevrolet Chevelle and Malibu SS | Power brakes RPO | Unknown | 348,034 Reported |
| 1973 | Chevrolet Chevy II and Nova | Power brakes, drum RPO | $46 | Unknown |
| 1974 | Chevrolet Chevelle and Malibu SS | Power brakes (included with C60 and LS4) RPO | $52 | Unknown |
| 1974 | Chevrolet Chevy II and Nova | Power brakes, drum RPO | $52 | Unknown |
| 1974 | Chevrolet El Camino SS | Power brakes RPO | $49 | Unknown |
| 1975 | Chevrolet Chevelle and Malibu SS | Power brakes RPO | $55 | Unknown |
| 1975 | Chevrolet Chevy II and Nova | Power brakes RPO | $55 | Unknown |
| 1976 | Chevrolet Chevy II and Nova | Power brakes (standard with V8) RPO | $58 | Unknown |
| 1977 | Chevrolet Chevelle and Malibu SS | Power brakes RPO | $63 | Unknown |
| 1977 | Chevrolet Chevy II and Nova | Power brakes RPO | $63 | Unknown |
| 1978 | Chevrolet Chevy II and Nova | Power brakes RPO | $71 | Unknown |
| 1979 | Chevrolet Chevy II and Nova | Power brakes RPO | $76 | Unknown |
Every row traces to the source it links from on that model's own year page; this table only collects them in one place.