Cars / Lexus GX470 / Land Cruiser 100

Lexus GX470 / Land Cruiser 100 (1998–2007)

J100 / J120 (GX) · 2UZ-FE 4.7L V8

Verdict: The dependable counterpoint to the rest of EraBoard. Frame rust and (on many GX470s) rear air suspension are the real buy filters — the 2UZ is the easy part.

At a glance

Risk 3/5 Market: Reliable until rust or air springs

Must-have records:

Timing belt service
Frame inspection photos
Air-spring / compressor invoices or coil conversion receipt

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Parts & tools: Shop parts at Summit Racing.

Buy-risk rundown

Issue	Symptom	How to check	Typical cost (as of Nov 2026)
Frame / body-mount rust (salt-belt killers)	Perforated rear frame rails, crusty mounts	Lift and probe rear rails, crossmembers, body mounts, rockers	Structural rust is a walk-away; repair often exceeds value [1][2]
Rear air suspension (many GX470s)	Uneven height, compressor running constantly, leaks	Check height after sitting; listen for compressor	One air spring ~$1,238–$1,300 installed (RepairPal); compressor ~$600–$1,100; full system often $2,000–$5,000 [3][4]
Timing belt (2UZ-FE)	—	Confirm service interval records	Not yet verified on this page as a standalone quote [5]
Steering rack / bushings / exhaust manifold tick	Wander, clunks, cold tick	Test drive and underside listen	Not yet verified [5]

Cost figures checked against the sources below in Nov 2026. Bracketed numbers refer to the source list.

Notes

Land Cruiser 100 and GX470 share the platform family; US GX470s (2003–09) often have the rear air springs that LC shoppers convert to coils.
A documented coil conversion can be a feature, not a bug, if done with quality parts.

Before you buy

Use our printable pre-purchase inspection checklist and get a PPI from a marque specialist.

Sources

Verdict Autos, Used Lexus GX470 buyer's guide (accessed Nov 2026)
ToyotaData, 100-series frame and body-mount rust (accessed Nov 2026)
RepairPal, GX470 active suspension air spring cost (accessed Nov 2026)
Cost Insider, GX470 air suspension replacement cost guide (accessed Nov 2026)
IH8MUD, What to look for on a high-mile GX470 (accessed Nov 2026)

Last updated 2026-11-05. Costs vary by region and shop.

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