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Used 2003 Chevrolet TrailBlazer engines & transmissions

1 engine option and 1 transmission option for the 2003 Chevrolet TrailBlazer, 2 in stock to buy online. Engine size: 4.2L. 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 engines

1 option · $1,499 – $1,999

EngineVIN codeMileagePriceAvailability
4.2LTF-E030051S (digit 8)87,000–121,000 mifrom $1,499In stock

2003 Chevrolet TrailBlazer transmissions

1 option · $1,765 – $1,960

TransmissionVIN codeMileagePriceAvailability
AT, (4.2L), 4x4TF-T030108By VIN74,000–87,000 mifrom $1,765In stock

Which 2003 TrailBlazer unit fits yours?

The VIN code tells them apart. Decode your VIN, or text it to us and we'll confirm the match.

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Find the right engine today.

Send your VIN and get matching units with mileage, warranty and price — usually within minutes.