General Motors option code

K45

K45: a General Motors factory option code reused for more than one part across 1970–1975 and 1 model — 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.

1 model · 6 model years · 6 sources

White 1970 Pontiac Firebird Trans Am with blue hood stripe, shaker hood scoop and Trans Am fender script, front three-quarter at a street car show
1970 Pontiac Firebird Trans Am in Polar White with the blue stripe Photo: Mustang Joe, CC0, via Wikimedia Commons

Every sourced appearance

Year Model As named that year Price Installs
1970 Pontiac Firebird and Trans Am Heavy Duty Air Cleaner (sales code 724) RPO/UPC $9.48 Unknown
1971 Pontiac Firebird and Trans Am Dual Stage Heavy Duty Air Cleaner (sales code 422) RPO/UPC $9.48 Unknown
1972 Pontiac Firebird and Trans Am Heavy Duty Air Cleaner (sales code 423) RPO/UPC $9 Unknown
1973 Pontiac Firebird and Trans Am Heavy Duty Air Cleaner (sales code 423) RPO/UPC $9 Unknown
1974 Pontiac Firebird and Trans Am Dual Stage Air Cleaner (sales code 604) RPO/UPC $9 Unknown
1975 Pontiac Firebird and Trans Am Heavy Duty Air Cleaner (sales code 602) RPO/UPC $11 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.