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The short version
- An Impreza wheel bearing splits by trim as much as by year across 1999 to 2019. WRX and STi cars carry different hardware from the base 2.0i and 2.5i.
- Front coverage runs continuously from 1999 to 2018. It stays all wheel drive throughout, starting at WE60630 and ending at WE61771.
- The rear has two honest gaps. 2008 to 2010 is not listed at all, and 2017 onward needs the old part or VIN.
- A 2019 Impreza sits past the catalogs entirely, front and rear.
Most cars split parts by year or by drivetrain. An Impreza wheel bearing from 1999 to 2019 splits by trim too. The performance versions carry different hardware from the ordinary cars built alongside them.
That makes trim the first question at the parts counter, right after the year.
Every front number in this range presses into the knuckle. None of it uses a bolt on front hub, so the press stays part of the job regardless of trim.
The trim split
Across several years the STi front is cited as 513302. The ordinary 2.0i and 2.5i cars take 513303 or 513413.
The rear splits too, with WRX and STi cars showing 512401 or 512402 against 512518 on the base cars.
Confirm against the number stamped on the old part before ordering. A listing that names every trim in one line is worth reading twice before assuming it covers yours.
The oldest front number on the chart, WE60630, is also listed against the Legacy of the same years. That overlap comes straight from the catalog rather than from two cars simply wearing similar parts.
The 2014 build date
On 2014 cars the front part changes around the middle of January. The later build takes 513413.
The build date on the door jamb label settles it. The model year alone does not.
The same trap turns up in other changeover years. Check the build date on any 2014 Impreza before ordering.
Impreza wheel bearing part numbers
| Years | Detail | Number |
|---|---|---|
| 2019 | Front, past the catalogs | match old part or VIN |
| 2017 to 2019 | Rear, past the catalogs | match old part or VIN |
| 2015 to 2018 | Front | 513413 check price |
| 2015 to 2018 | Front, all wheel drive, parallel listing | WE61771 check price |
| 2015 to 2016 | Rear | 512518 check price |
| 2013 to 2014 | Rear, 2.0i models | 512518 check price |
| 2012 to 2014 | Front, WRX STi | 513302 check price |
| 2012 to 2014 | Front, all wheel drive, plain trims, parallel listing | WE61771 check price |
| 2011 to 2014 | Rear, WRX and STi | 512401 check price |
| 2011 to 2014 | Rear, WRX and STi, parallel listing | 512402 check price |
| 2011 to 2013 | Front, non STi | 513303 check price |
| 2008 to 2013 | Front, all wheel drive, plain trims | WE60548 check price |
| 2008 to 2011 | Front, all wheel drive, 2.5i and Outback Sport, parallel listing | WE60543 check price |
| 2008 to 2011 | Front, all wheel drive, WRX STi | 513302 check price |
| 2008 to 2010 | Rear, not listed in the catalogs | match old part or VIN |
| 2007 | Front, all wheel drive, 2.5i SE, shared line with WRX STi | 513302 check price |
| 2007 | Front, all wheel drive, plain trim | WE60630 check price |
| 2005 to 2006 | Front, all wheel drive, Outback Sport and RS trim | WE60630 check price |
| 1999 to 2004 | Front, all wheel drive, plain trim, shared line with Legacy | WE60630 check price |
| 1999 to 2007 | Rear, all wheel drive, plain trims | WE60345 check price |
Lookups run through the cross reference page.
Every model year this chart resolves: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 and 2018. A 2019 Impreza sits past the catalogs and goes by the old part or the VIN.
Every front row above is an all wheel drive number. Trim is the split that matters up front, not drivetrain, across this whole range.
The rear tells a different story. 2008 to 2010 sits between the older WE60345 run and the newer handed numbers, with nothing documented. The catalogs stop again after 2016.
The older rear knuckle
On the 2001 to 2011 rear knuckles a bent spindle is a known finding. It will not be obvious by eye.
Brake type has to match too when swapping a knuckle, which catches people buying used parts.
A retaining ring holds the bearing in some of these knuckles. Forcing it loose without releasing the ring first is a common way to damage the bore. That step is on the snap ring page.
A knuckle that has already eaten one bearing is worth measuring before it eats a second. The bore grows oval rather than round once the surface is damaged.
The usual Subaru problem
The hub goes into a bare knuckle bore at a tight tolerance. Water gets in over time, and corrosion locks the two together.
Clean the bore back to bare metal and measure it before fitting the next part. Front and rear fail for different reasons on this car. Telling them apart starts on the front versus rear page.
The press itself is a separate job from freeing a stuck hub. That step is on the press in page.
None of this is unique to Subaru, but the tight bore tolerance on this platform makes the removal step harder than on most cars people compare it to.
A hub that finally lets go after a long fight is also worth a slow look at the seal face. A bore that scored the housing on the way out can mean the replacement seats less tightly than the one that just came out.
Diagnosing an Impreza wheel bearing
- Note the trim and build date before you order anything.
- Coast in neutral at the noise speed to separate the driveline from the bearing.
- Rock each wheel at twelve and six with the parking brake released.
- Rule out the tires, since all wheel drive cars wear tread unevenly when rotation is skipped.
- Compare hub temperatures across an axle after a drive.
Those checks are on the checking page and the tire noise page.
Price links lead to Amazon searches for that number. As an Amazon Associate this site earns from qualifying purchases.
Common questions
Does trim change the Impreza wheel bearing?
Yes. WRX and STi cars take different front and rear numbers from the ordinary 2.0i and 2.5i models.
What changed in 2014?
The front part is cited as changing around mid January. A 2014 needs its build date checked before ordering.
Is the Impreza front wheel drive or all wheel drive?
All wheel drive throughout this range. Every front number on the table is an all wheel drive part.
What about a 2019?
Nothing is documented at either end for that year. Match the old part or the VIN.
Why will the hub not come out?
Corrosion in a tight bare metal bore, most often. Free it, then clean the bore rather than lubricating it. A puller beats heat or force on a knuckle you intend to reuse.