Independent · Source-led · American performance history Issue 01 · 1951–2023
American Muscle Car Facts

Showroom arguments.
Race-bred answers.

General Motors option code

D73  — Cargo box side rails

D73 (Cargo box side rails): a General Motors factory option code recorded on 1 model across 1976–1986, with installs and price where a source states them.

1 model · 10 model years · 0 sources

Brochure cover reading Chevy El Camino, with a blue and white 1977 El Camino Classic with stacked rectangular headlamps parked at a boat ramp
Shown: Cover of the 1977 Chevrolet El Camino sales brochure, showing an El Camino Classic

Every sourced appearance

Year Model As named that year Price Installs
1976 Chevrolet El Camino SS Cargo box side rails RPO $65 Unknown
1977 Chevrolet El Camino SS Cargo box side rails RPO $68 Unknown
1978 Chevrolet El Camino SS Cargo box side rails RPO $73 Unknown
1979 Chevrolet El Camino SS Cargo box side rails RPO $74 Unknown
1980 Chevrolet El Camino SS Cargo box side rails RPO $79 Unknown
1981 Chevrolet El Camino SS Cargo box side rails RPO $77 Unknown
1982 Chevrolet El Camino SS Cargo box side rails RPO $88 Unknown
1983 Chevrolet El Camino SS Cargo box side rails RPO $91 Unknown
1984 Chevrolet El Camino SS Cargo box side rails RPO $91 Unknown
1986 Chevrolet El Camino SS Cargo box side rails RPO $94 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.