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The short version
- An RX wheel bearing on the 2009 to 2011 cars splits on dynamic stability control.
- 513345 is cited for cars with it and 513341 for cars without, same years, same engine.
- An electronic system changing a mechanical part sounds wrong. The hub carries the sensor that feeds it.
- Cars from 2004 to 2008 use 513341 throughout, so the question only applies later.
Stability control does not touch the bearing. It demands a different signal from the sensor built into the hub.
Change the sensor requirement and the part number changes, even though the bearing inside does the same job.
The stability control split
On 2009 to 2011 cars, 513345 is cited with dynamic stability control and 513341 without it.
The 2004 to 2008 cars are cited with 513341 across the board.
Check the dash for a stability control light at startup, or look for the disable switch. Either answers it.
RX wheel bearing part numbers
| Years | Detail | Number |
|---|---|---|
| 2009 to 2011 | Front, with dynamic stability control | 513345 check price |
| 2009 to 2011 | Front, without stability control | 513341 check price |
| 2004 to 2008 | Front | 513341 check price |
Every model year this chart resolves: 2004, 2005, 2006, 2007, 2008, 2009, 2010 and 2011.
Price links lead to Amazon searches for that number. As an Amazon Associate this site earns from qualifying purchases.
Cross referencing is on the cross reference page.
Lexus tends to be handed
Several Lexus models list separate left and right parts rather than one number for both sides.
The ES is cited with 512206 left and 512207 right. The GS front is 513365 left and 513366 right.
It is a brand habit worth expecting. Ordering two of one number is the mistake it produces.
The make overview is on the Lexus page.
What a quiet cabin does
These are insulated well enough that a bearing goes quite far before it is obvious from the driver’s seat.
The upside is comfort. The downside is owners arriving with a bearing that failed months ago.
Do not wait for it to get loud. That is on the noise page and the no play page.
The Toyota underneath
This shares a great deal with the Toyota Highlander of the same era. That matters for parts supply.
It also means a shop new to Lexus has almost certainly done this job on the Toyota.
That page is the Highlander page.
Diagnosing an RX wheel bearing
- Establish whether the car has stability control before ordering.
- Note which side, since Lexus often lists left and right separately.
- Drive with the windows down, because the cabin hides the noise.
- Weave at road speed and note the loaded direction.
- Compare hub heat across each axle after a drive.
Those are on the checking page and the tire noise page.
Common questions
Which RX wheel bearing do I need?
On a 2009 to 2011, check for stability control. 513345 is cited with it and 513341 without.
How does an electronic system change a bearing?
It does not change the bearing. It changes the sensor built into the same unit.
Is my car left and right specific?
Check the listing. Lexus lists handed parts on several models, so do not assume.
Why did I not hear it sooner?
The cabin insulation is very good, which hides early bearing noise.
Is it the same as a Highlander?
It shares a great deal with the Toyota of the same era. Confirm the number against your own part.
Do I need a press?
No. The front is a bolt on unit.
Should I do both sides?
Only what is worn.