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Lexus GX J120 (1st Generation)

20032009 · J120 · suv

First-gen GX (GX 470) shared its J120 platform with the Toyota Land Cruiser Prado 120 and the 4th-gen 4Runner. 4.7L 2UZ-FE V8, 5-speed automatic, full-time 4WD with Torsen center diff, height-adjustable air suspension on some trims, KDSS optional. Quiet cult classic in the overland/expedition community.

Watch out: Owner reports of rear air-bag (X-REAS / air-suspension) failures past 100k mi (common conversion to coilovers), and 2UZ-FE timing-belt service at 90k mi (interference engine). Pre-purchase: confirm timing belt receipts and inspect rear height-control behavior.

Full clubhouse — owner Garage Lineage, common problems, year-by-year notes, and product picks — is on the build list.

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