General Motors option code
AK1
AK1: a General Motors factory option code reused for more than one part across 1970–1981 and 5 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.
5 models · 12 model years · 15 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1970 | Chevrolet Chevelle and Malibu SS | Seat Belts & Front Shoulder Harness - Deluxe (coupe w/bucket, 5 seat & 2 shoulder) (coupe or sedan w/bench, 6 seat & 2 shoulder) RPO | $12.15 | 78,206 Reported |
| 1970 | Pontiac Firebird and Trans Am | Custom Seat Belts and Front Shoulder Belts, color keyed (sales code 451) RPO/UPC | $12.64 | Unknown |
| 1971 | Chevrolet Chevelle and Malibu SS | Deluxe Belt & Harness, Front, coupe/sedan w/bench seat / Deluxe Belt & Harness, Front, coupe w/bucket seat RPO | $16.90 | 91,887 Reported |
| 1971 | Chevrolet Chevy II and Nova | Custom deluxe belts, bench-seat coupe or sedan RPO | $22.15 | Unknown |
| 1971 | Chevrolet Chevy II and Nova | Custom deluxe belts, bucket-seat coupe RPO | $20.55 | Unknown |
| 1971 | Pontiac Firebird and Trans Am | Custom Seat Belts (sales code 451) RPO/UPC | $15.80 | Unknown |
| 1972 | Chevrolet Chevelle and Malibu SS | Deluxe Belt & Harness, Front, coupe/sedan w/bench seat / Deluxe Belt & Harness, Front, coupe w/bucket seat RPO | $16.90 | 112,998 Reported |
| 1972 | Chevrolet Chevy II and Nova | Color-keyed belts, bench-seat coupe or sedan RPO | $23.20 | Unknown |
| 1972 | Chevrolet Chevy II and Nova | Color-keyed belts, bucket-seat coupe RPO | $20.55 | Unknown |
| 1972 | Pontiac Firebird and Trans Am | Custom Shoulder Belts, front and rear (sales code 451) RPO/UPC | $15 | Unknown |
| 1973 | Chevrolet Chevelle and Malibu SS | Custom seat belts RPO | Unknown | 184,333 Reported |
| 1973 | Chevrolet Chevy II and Nova | Color-keyed seat and shoulder belts, bench-seat models RPO | $15.25 | Unknown |
| 1973 | Chevrolet Chevy II and Nova | Color-keyed seat and shoulder belts, bucket-seat coupes RPO | $12.75 | Unknown |
| 1973 | Pontiac Firebird and Trans Am | Custom Seat Belts, front and rear (sales code 451) RPO/UPC | $15 | Unknown |
| 1974 | Chevrolet Chevy II and Nova | Color-keyed belts, bench-seat coupes and sedans RPO | $16.25 | Unknown |
| 1974 | Chevrolet Chevy II and Nova | Color-keyed belts, bucket-seat coupes RPO | $13.75 | Unknown |
| 1974 | Chevrolet El Camino SS | Custom deluxe belts, bench seat RPO | $10.50 | Unknown |
| 1974 | Chevrolet El Camino SS | Custom deluxe belts, bucket seats RPO | $9 | Unknown |
| 1974 | Pontiac Firebird and Trans Am | Custom front and rear shoulder belts (sales code 691) RPO/UPC | $15 | Unknown |
| 1975 | Chevrolet Chevy II and Nova | Custom deluxe belts, bench-seat coupes and sedans RPO | $16.25 | Unknown |
| 1975 | Chevrolet Chevy II and Nova | Custom deluxe belts, bucket-seat coupes RPO | $13.75 | Unknown |
| 1975 | Pontiac Firebird and Trans Am | Custom Seat belts and Soft Tone Warning (sales code 441) RPO/UPC | $19 | Unknown |
| 1976 | Chevrolet Chevy II and Nova | Deluxe color-keyed belts, bench-seat coupes and sedans RPO | $17 | Unknown |
| 1976 | Chevrolet Chevy II and Nova | Deluxe color-keyed belts, bucket-seat coupes RPO | $14 | Unknown |
| 1976 | Chevrolet El Camino SS | Custom color-keyed belts, bench seat RPO | $12 | Unknown |
| 1976 | Chevrolet El Camino SS | Custom color-keyed belts, bucket seats RPO | $11 | Unknown |
| 1976 | Pontiac Firebird and Trans Am | Custom Front and Rear Seat belts and Shoulder Belts (sales code 524) RPO/UPC | $20 | Unknown |
| 1977 | Chevrolet Chevy II and Nova | Deluxe color-keyed belts, bench-seat coupes and sedans RPO | $19 | Unknown |
| 1977 | Chevrolet Chevy II and Nova | Deluxe color-keyed belts, bucket-seat coupes RPO | $16 | Unknown |
| 1977 | Chevrolet El Camino SS | Deluxe belts, bench seat RPO | $14 | Unknown |
| 1977 | Chevrolet El Camino SS | Deluxe belts, bucket seats RPO | $13 | Unknown |
| 1977 | Pontiac Firebird and Trans Am | Custom Seat belts RPO/UPC | $21 | Unknown |
| 1977 | Pontiac Tempest and LeMans | Custom color-keyed seat belts RPO | Unknown | Unknown |
| 1978 | Chevrolet Chevy II and Nova | Deluxe color-keyed belts, bench-seat coupes and sedans RPO | $22 | Unknown |
| 1978 | Chevrolet Chevy II and Nova | Deluxe color-keyed belts, bucket-seat coupes RPO | $20 | Unknown |
| 1978 | Chevrolet El Camino SS | Deluxe belts (bench seat; $15.00 with buckets) RPO | $16 | Unknown |
| 1978 | Pontiac Firebird and Trans Am | Belts, Custom Color Keyed RPO/UPC | $20 | Unknown |
| 1979 | Chevrolet Chevy II and Nova | Deluxe color-keyed belts, bench-seat coupes and sedans RPO | $23 | Unknown |
| 1979 | Chevrolet Chevy II and Nova | Deluxe color-keyed belts, bucket-seat coupes RPO | $21 | Unknown |
| 1979 | Chevrolet El Camino SS | Deluxe belts (bench; $17.00 with buckets) RPO | $18 | Unknown |
| 1980 | Pontiac Firebird and Trans Am | Belts, Custom Color Keyed RPO/UPC | $25 | Unknown |
| 1981 | Pontiac Firebird and Trans Am | Belts, Custom Color Keyed RPO/UPC | $26 | 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.