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The short version
- The IS300 runs press-in bearings both ends: 513150 front with its seal, 511028 rear shared with the GS and SC cruisers.
- The second generation IS250 wheel bearing order needs a side: rear wheel drive fronts are handed, 513284 left and 513285 right.
- All wheel drive IS250 fronts are a different part again, so drivetrain comes before side.
- The gen two rear, 512337, serves IS250, IS350 and the GS family alike.
Ask which side of the car the noise is on before you order anything for a second generation IS. Lexus fitted different front hubs left and right, which is rare enough that people refuse to believe it until the box arrives wrong.
Generation one: the press-in era
The front is the 513150 ball bearing with seal 224820, pressed into the knuckle. The rear, 511028, is shared with the GS300, GS430 and SC430.
A compact sports sedan borrowing its rear bearings from grand tourers keeps the listings deep.
IS250 wheel bearing and IS300 part numbers
| Years | Detail | Number |
|---|---|---|
| 2006 to 2015 | Front left, RWD | 513284 check price |
| 2006 to 2015 | Front right, RWD | 513285 check price |
| 2006 to 2013 | Front, AWD, own listing | match by VIN and side |
| 2006 to 2013 | Rear hub, IS250 and IS350 | 512337 check price |
| 2001 to 2005 | IS300 front, press-in with seal 224820 | 513150 check price |
| 2001 to 2005 | IS300 rear, press-in | 511028 check price |
Every model year this chart resolves: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 and 2015.
Price links lead to Amazon searches for that number. As an Amazon Associate this site earns from qualifying purchases.
Interchange runs through the cross reference page.
Why the handed fronts matter
The 513284 and 513285 hubs are not mirror-image conveniences; the ABS encoder arrangement differs by side.
Fit the wrong side and the wheel speed signal misbehaves even though everything bolts up. The same handed pair serves the GS350 and GS460.
Handedness as a wider trap is covered on the left versus right page.
The generations share nothing
An IS300 is press-work at every corner; an IS250 is bolt-on hubs at every corner. Parts, tools and budgets all change at the 2006 line, so establish the generation before planning the job.
Press logistics live on the press-in bearing page, and the make overview is on the Lexus page.
Diagnosing an IS250 wheel bearing
- Name the generation, since it changes every part and tool.
- Name the drivetrain on a gen two car, since AWD fronts differ.
- Name the side, because the RWD fronts are handed.
- Weave at speed to place the hum.
- Scan any ABS code, since a wrong-side hub mimics sensor failure.
The routine is on the checking page.
Common questions
Which IS250 wheel bearing fits my front?
Rear wheel drive: 513284 left, 513285 right. All wheel drive uses its own listing; match VIN and side.
Is the IS350 the same?
For these parts, yes. The handed fronts and 512337 rear serve both engines.
What does my IS300 take?
513150 front and 511028 rear, both press-in. A different world from the later car.
Why are the fronts handed?
The ABS encoder differs by side. The parts interchange physically but not electronically.
Do GS parts fit?
Extensively, in both generations. Search the numbers rather than the model.
Do I need a press?
IS300, yes, both ends. IS250 and IS350, no, everything bolts on.