General Motors option code
CD4
CD4: a General Motors factory option code reused for more than one part across 1975–1988 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 · 13 model years · 11 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1975 | Chevrolet Chevy II and Nova | Intermittent windshield wipers RPO | $26 | Unknown |
| 1976 | Chevrolet Chevy II and Nova | Intermittent windshield wiper system RPO | $28 | Unknown |
| 1976 | Chevrolet El Camino SS | Intermittent wipers RPO | $28 | Unknown |
| 1977 | Buick Riviera | Three speed windshield wiper with low speed delay feature order code (Buick option code) | $30 | Unknown |
| 1977 | Chevrolet Chevy II and Nova | Intermittent windshield wipers RPO | $30 | Unknown |
| 1977 | Chevrolet El Camino SS | Intermittent wipers RPO | $30 | Unknown |
| 1978 | Chevrolet Chevy II and Nova | Intermittent windshield wipers RPO | $35 | Unknown |
| 1978 | Chevrolet El Camino SS | Intermittent wipers RPO | $32 | Unknown |
| 1978 | Pontiac Firebird and Trans Am | Windshield Wipers, Controlled Cycle RPO/UPC | $32 | Unknown |
| 1979 | Buick Riviera | Three speed windshield wiper with low speed delay feature order code (Buick option code) | $39 | Unknown |
| 1979 | Chevrolet Chevy II and Nova | Intermittent windshield wipers RPO | $38 | Unknown |
| 1979 | Chevrolet El Camino SS | Intermittent wipers RPO | $38 | Unknown |
| 1980 | Buick Riviera | Windshield Wiper - 3-speed w/low speed delay order code (Buick option code) | $42 | Unknown |
| 1980 | Chevrolet El Camino SS | Intermittent wipers RPO | $41 | Unknown |
| 1980 | Pontiac Firebird and Trans Am | Windshield Wipers, Controlled Cycle RPO/UPC | $41 | Unknown |
| 1981 | Buick Riviera | Three speed windshield wiper with low speed delay feature order code (Buick option code) | $41 | Unknown |
| 1981 | Chevrolet El Camino SS | Intermittent wipers RPO | $41 | Unknown |
| 1981 | Pontiac Firebird and Trans Am | Windshield Wipers, Controlled Cycle RPO/UPC | $44 | Unknown |
| 1982 | Buick Riviera | Windshield Wiper w/low speed delay order code (Buick option code) | $47 | Unknown |
| 1982 | Chevrolet El Camino SS | Intermittent wipers RPO | $47 | Unknown |
| 1983 | Buick Riviera | Windshield Wiper w/low speed delay order code (Buick option code) | $49 | Unknown |
| 1983 | Chevrolet El Camino SS | Intermittent wipers RPO | $49 | Unknown |
| 1983 | Chevrolet Monte Carlo SS | Intermittent wiper system RPO | Unknown | Unknown |
| 1984 | Buick Riviera | Windshield Wiper w/low speed delay order code (Buick option code) | $50 | Unknown |
| 1984 | Chevrolet El Camino SS | Intermittent wipers RPO | $50 | Unknown |
| 1985 | Buick Riviera | Windshield Wiper w/low speed delay order code (Buick option code) | $50 | Unknown |
| 1986 | Chevrolet El Camino SS | Intermittent wipers RPO | $50 | Unknown |
| 1988 | Oldsmobile Cutlass, 4-4-2 and Hurst/Olds | Pulse wiper system. Classic: available, also in packages 1SC and 1SD, only when other options are added or deleted; Classic Brougham: same, in 1SC, 1SD and 1SE. RPO | Unknown | 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.