Used 1991 Buick Century engines & transmissions
2 engine options and 3 transmission options for the 1991 Buick Century, 5 in stock to buy online. Engine sizes: 2.5L and 3.3L. Transmissions: automatic. Units differ by engine code, so check the VIN code column against your VIN, or send us your VIN and we'll match it before anything ships.
1991 Buick Century engines
2 options · $575 – $1,299
| Engine | VIN code | Mileage | Price | Availability |
|---|---|---|---|---|
| 4-151 2.5LTF-E048702 | R (digit 8) | 91,000–100,000 mi | from $1,099 | In stock |
| 6-204 3.3LTF-E048406 | N (digit 8) | 210,000 mi | $575 | In stock |
1991 Buick Century transmissions
3 options · $1,199 – $1,699
| Transmission | VIN code | Mileage | Price | Availability |
|---|---|---|---|---|
| AT, TH125 (Opt MD9), 4 151 (2.5L)TF-T048770 | By VIN | 82,000–90,000 mi | from $1,499 | In stock |
| AT, TH125 (Opt MD9), 6 204 (3.3L)TF-T048769 | By VIN | 94,000–105,000 mi | from $1,299 | In stock |
| AT, TH440 (Opt ME9)TF-T048768 | By VIN | 99,000–112,000 mi | from $1,199 | In stock |
Which 1991 Century unit fits yours?
The VIN code tells them apart. Decode your VIN, or text it to us and we'll confirm the match.