General Motors option code
A9
A9: a General Motors factory option code reused for more than one part across 1967–1975 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 · 9 model years · 9 sources
Every sourced appearance
| Year | Model | As named that year | Price | Installs |
|---|---|---|---|---|
| 1967 | Buick Riviera | GS Option (dual inlet air cleaner, heavy-duty suspension, Positive Traction differential with 3.42 axle ratio, whitewall or red line tires, specific ornamentation) (not available with H1, H2 or H3) order code (Buick option code) | $137.88 | Unknown |
| 1968 | Buick Riviera | GS Option includes Heavy-Duty Suspension, High-Performance Positive Traction Differential, Whitewall Tires, Chrome Air Cleaner & Specific Ornamentation order code (Buick option code) | $137.88 | Unknown |
| 1969 | Buick Riviera | Riviera GS option (chrome-plated air cleaner, heavy-duty suspension, performance rear axle with Positive Traction differential, whitewall tires, GS identification) order code | $131.57 | Unknown |
| 1970 | Buick Riviera | Riviera GS option (heavy-duty suspension, performance axle, Positive Traction differential, whitewall tires, chrome air cleaner and specific ornamentation) order code (Buick option code) | Unknown | Unknown |
| 1971 | Buick Riviera | Riviera GS Option (includes firm ride and handling susp., performance axle, positive traction differential, whitewall tires, chrome covered air cleaner, modified 4 bbl. high performance engine and specific ornamentation order code (Buick option code) | $199.98 | Unknown |
| 1972 | Buick Riviera | Riviera GS Option (includes Firm Ride and Handling Suspension, Performance Axle, Positive Traction Differential, Whitewall Tires, Chrome Plated Air Cleaner, Modified 4 bbl. High Performance Engine & Specific Ornamentation) order code (Buick option code) | Unknown | Unknown |
| 1973 | Buick Riviera | Riviera GS Ride and Handling Package - HR 78-15 steel belted radial ply whitewall tires. Specific springs and shocks. H.D. stabilizer bars. H.D. wheels. Specific insulation package. Specific body mount system. GS name plates on fenders. order code (Buick option code) | $171 | 3,933 Reported |
| 1974 | Buick Riviera | Riviera GS & Handling Package - JR 78-15 steel belted radial ply whitewall tires; specific springs & shocks; H.D. front stabilizer bar; rear stabilizer bar; specific insulation package; specific body mount system; GS name plates on fenders. order code (Buick option code) | $186 | 4,119 Reported |
| 1975 | Buick Riviera | Riviera GS & Handling Package - JR 7845 steel belted radial ply whitewall tires; specific springs & shocks; H.D. front stabilizer bar; rear stabilizer bar; specific insulation package; and ornamentation order code (Buick option code) | $73 | 3,101 Reported |
Every row traces to the source it links from on that model's own year page; this table only collects them in one place.