General Motors option code
K4 — Three speed windshield wiper with low speed delay feature
K4 (Three speed windshield wiper with low speed delay feature): a General Motors factory option code recorded on 3 models across 1963–1976, with installs and price where a source states them.
3 models · 5 model years · 4 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1963 | Buick Wildcat | Rear Window Defroster order code | Unknown | Unknown |
| 1969 | Buick Skylark Gran Sport, GS and GSX | Depressed-park windshield wipers (California GS requirement) order code | $18.96 | Unknown |
| 1974 | Buick Riviera | Three speed windshield wiper with low speed delay feature order code (Buick option code) | $26 | Unknown |
| 1975 | Buick Riviera | Three speed windshield wiper with low speed delay feature order code (Buick option code) | $26 | Unknown |
| 1976 | Buick Riviera | Three speed windshield wiper with low speed delay feature order code (Buick option code) | $28 | 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.