General Motors option code

A90

A90: a General Motors factory option code reused for more than one part across 1970–2000 and 6 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.

6 models · 15 model years · 17 sources