Used 2003 Chevrolet TrailBlazer-EXT engines & transmissions
2 engine options and 2 transmission options for the 2003 Chevrolet TrailBlazer-EXT, 4 in stock to buy online. Engine sizes: 4.2L and 5.3L. Transmissions: automatic. Drivetrain: 4X4. 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.
2003 Chevrolet TrailBlazer-EXT engines
2 options · $870 – $1,240
2003 Chevrolet TrailBlazer-EXT transmissions
2 options · $1,499 – $2,199
| Transmission | VIN code | Mileage | Price | Availability |
|---|---|---|---|---|
| AT, 4.2L, 4x4TF-T030109 | By VIN | 73,000–116,000 mi | from $1,499 | In stock |
| AT, 5.3L, 4x4TF-T030110 | By VIN | 74,000–87,000 mi | from $1,765 | In stock |
Which 2003 TrailBlazer-EXT unit fits yours?
The VIN code tells them apart. Decode your VIN, or text it to us and we'll confirm the match.