General Motors option code
AU3
AU3: a General Motors factory option code reused for more than one part across 1970–1988 and 7 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.
7 models · 17 model years · 16 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1970 | Chevrolet Chevelle and Malibu SS | Electric door locks RPO | $44.80 | 5,482 Reported |
| 1970 | Pontiac Firebird and Trans Am | Power Door Locks Only (sales code 734) RPO/UPC | $45.29 | Unknown |
| 1971 | Chevrolet Chevelle and Malibu SS | Electric Door Locks RPO | $46.35 | 6,430 Reported |
| 1971 | Pontiac Firebird and Trans Am | Power Door Locks (sales code 554) RPO/UPC | $45.29 | Unknown |
| 1972 | Chevrolet Chevelle and Malibu SS | Electric Door Locks - Coupe/Convertible / Electric Door Locks - Sedans RPO | $47.40 | 10,683 Reported |
| 1972 | Pontiac Firebird and Trans Am | Power Door Locks (sales code 554) RPO/UPC | $44 | Unknown |
| 1973 | Chevrolet Chevelle and Malibu SS | Power door locks RPO | Unknown | 43,715 Reported |
| 1973 | Pontiac Firebird and Trans Am | Electric Door Locks (sales code 534) RPO/UPC | $44 | Unknown |
| 1974 | Chevrolet Chevelle and Malibu SS | Power door locks, coupes RPO | $50 | Unknown |
| 1974 | Chevrolet El Camino SS | Power door locks RPO | $47 | Unknown |
| 1974 | Pontiac Firebird and Trans Am | Electric Door Locks (sales code 554) RPO/UPC | $46 | Unknown |
| 1975 | Chevrolet Chevelle and Malibu SS | Power door locks, coupes RPO | $58 | Unknown |
| 1975 | Chevrolet Chevy II and Nova | Power door locks, coupe RPO | $56 | Unknown |
| 1975 | Chevrolet Chevy II and Nova | Power door locks, sedan RPO | $82 | Unknown |
| 1975 | Pontiac Firebird and Trans Am | Power Door Locks (sales code 554) RPO/UPC | $56 | Unknown |
| 1976 | Chevrolet Chevy II and Nova | Power door locks, coupe RPO | $62 | Unknown |
| 1976 | Chevrolet Chevy II and Nova | Power door locks, sedan RPO | $89 | Unknown |
| 1976 | Chevrolet El Camino SS | Power door locks RPO | $62 | Unknown |
| 1976 | Pontiac Firebird and Trans Am | Power Door Locks (sales code 434) RPO/UPC | $62 | Unknown |
| 1977 | Buick Riviera | Electric Door Locks order code (Buick option code) | $75 | Unknown |
| 1977 | Chevrolet Chevy II and Nova | Power door locks, coupe RPO | $68 | Unknown |
| 1977 | Chevrolet Chevy II and Nova | Power door locks, sedan RPO | $96 | Unknown |
| 1977 | Chevrolet El Camino SS | Power door locks RPO | $74 | Unknown |
| 1977 | Pontiac Firebird and Trans Am | Power Door Locks RPO/UPC | $68 | Unknown |
| 1978 | Chevrolet Chevy II and Nova | Power door locks, coupe RPO | $77 | Unknown |
| 1978 | Chevrolet Chevy II and Nova | Power door locks, sedan RPO | $107 | Unknown |
| 1978 | Chevrolet El Camino SS | Power door locks RPO | $80 | Unknown |
| 1978 | Pontiac Firebird and Trans Am | Power Door Locks RPO/UPC | $80 | Unknown |
| 1979 | Chevrolet Chevy II and Nova | Power door locks, coupe RPO | $80 | Unknown |
| 1979 | Chevrolet Chevy II and Nova | Power door locks, sedan RPO | $111 | Unknown |
| 1979 | Chevrolet El Camino SS | Power door locks RPO | $86 | Unknown |
| 1980 | Chevrolet El Camino SS | Power door locks RPO | $93 | Unknown |
| 1980 | Pontiac Firebird and Trans Am | Power Door Locks RPO/UPC | $93 | Unknown |
| 1981 | Chevrolet El Camino SS | Power door locks RPO | $93 | Unknown |
| 1981 | Pontiac Firebird and Trans Am | Power Door Locks RPO/UPC | $99 | Unknown |
| 1982 | Chevrolet El Camino SS | Power door locks RPO | $106 | Unknown |
| 1983 | Chevrolet El Camino SS | Power door locks RPO | $120 | Unknown |
| 1983 | Chevrolet Monte Carlo SS | Power door locks RPO | Unknown | Unknown |
| 1984 | Chevrolet El Camino SS | Power door locks RPO | $125 | Unknown |
| 1986 | Chevrolet El Camino SS | Power door locks RPO | $130 | Unknown |
| 1988 | Oldsmobile Cutlass, 4-4-2 and Hurst/Olds | Power door locks. Classic: available; Classic Brougham: available, also in packages 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.