General Motors option code

QBU

QBU: a General Motors factory option code reused for more than one part across 1975–1978 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 · 3 model years · 3 sources

Brochure spread of 1975 Firebirds: a red Formula and silver Trans Am at night, a yellow Esprit, an orange Firebird, a dash and bucket-seat interiors
1975 Pontiac Firebird line: Formula and Trans Am, with interiors (1975 Pontiac full-line brochure)

Every sourced appearance

Year Model As named that year Price Installs
1975 Pontiac Firebird and Trans Am FR78X15 Blackwall Steel Belted Radial Tires (sales code 39A) RPO/UPC Unknown Unknown
1976 Pontiac Firebird and Trans Am FR78X15 Blackwall Steel Belted Radial Tires (sales code 40B) RPO/UPC Unknown Unknown
1978 Pontiac Firebird and Trans Am Tires, FR78 X 15 BSW STL (Blackwall Steel Belted) RPO/UPC Unknown 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.