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Used 2003 Nissan Altima engines & transmissions

2 engine options and 1 transmission option for the 2003 Nissan Altima, 3 in stock to buy online. Engine sizes: 2.5L and 3.5L. 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.

2003 Nissan Altima engines

2 options · $830 – $2,275

EngineVIN codeMileagePriceAvailability
2.5L , QR25DETF-E030647A (digit 4)57,000–127,000 mifrom $1,655In stock
3.5L , VQ35DETF-E030648B (digit 4)209,000 mi$830In stock

2003 Nissan Altima transmissions

1 option · $705 – $965

TransmissionVIN codeMileagePriceAvailability
AT, 2.5L (4 cylinder), (non-locking differential)TF-T030668By VIN61,000–127,000 mifrom $705In stock

Which 2003 Altima 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.