General Motors option code
G4
G4: a General Motors factory option code reused for more than one part across 1967–1976 and 3 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.
3 models · 10 model years · 9 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1967 | Buick Riviera | Positive Traction Differential (included with A9 & G1) order code (Buick option code) | $47.37 | Unknown |
| 1967 | Buick Wildcat | Positive Traction differential (included in G1) order code | $47.37 | Unknown |
| 1968 | Buick Riviera | Positive Traction Differential (included with A9) order code (Buick option code) | $47.37 | Unknown |
| 1969 | Buick Riviera | Positive Traction differential (standard with A9) order code | $47.37 | Unknown |
| 1969 | Buick Skylark Gran Sport, GS and GSX | Positive Traction differential (included with G1) order code | $42.13 | Unknown |
| 1969 | Buick Wildcat | Positive Traction differential (included with G1) order code | $47.37 | Unknown |
| 1970 | Buick Riviera | Positive Traction Differential (Included with A9) order code (Buick option code) | Unknown | Unknown |
| 1971 | Buick Riviera | Positive Traction Differential (included in A9) order code (Buick option code) | $49.47 | Unknown |
| 1972 | Buick Riviera | Positive Traction Differential (Included with A9) order code (Buick option code) | Unknown | Unknown |
| 1973 | Buick Riviera | Positive Traction Differential (incl. in A1) order code (Buick option code) | $48 | Unknown |
| 1974 | Buick Riviera | Positive Traction Differential (Included with A1) $ order code (Buick option code) | $51 | Unknown |
| 1975 | Buick Riviera | Positive Traction Differential (Included with A1) order code (Buick option code) | $51 | Unknown |
| 1976 | Buick Riviera | Positive Traction Differential (Included with A1) order code (Buick option code) | $54 | 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.