General Motors option code

AS4

AS4: a General Motors factory option code reused for more than one part across 1968–1971 and 2 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.

2 models · 4 model years · 4 sources

Blue 1968 Chevrolet Chevelle SS 396 two-door hardtop on grass at a car show, front three-quarter, with the SS 396 grille badge, black-out lower body and 396 fender badge
1968 Chevrolet Chevelle SS 396 sport coupe in blue Photo: Sicnag, CC BY 2.0, via Wikimedia Commons

Every sourced appearance

Year Model As named that year Price Installs
1968 Chevrolet Chevelle and Malibu SS Rear Seat Shoulder Harness - Deluxe / * All except convertible (requires ZK3) RPO $26.35 130 Reported
1969 Chevrolet Chevelle and Malibu SS Rear Seat Shoulder Harness - Deluxe RPO $26.35 91 Reported
1970 Chevrolet Chevelle and Malibu SS Rear Seat Shoulder Harness - Deluxe RPO $26.35 273 Reported
1971 Chevrolet Chevelle and Malibu SS Deluxe Rear Shoulder Harness RPO $26.35 245 Reported
1971 Chevrolet Chevy II and Nova Rear shoulder belts RPO $26.35 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.