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The short version
- The front Flex wheel bearing is a bolt-on hub cited as 513275, both drivetrains.
- The same catalog also prints 513276 for this vehicle in its new-items list, a conflict we record rather than hide.
- Rear listings track the related Edge and MKX family; confirm a rear by VIN.
- Catalog coverage stops at 2009, the Flex’s first year; retail listings carry the run to 2019.
The Flex arrived in 2009, the final year the big application catalogs covered, so this page leans on one verified year plus the retail record for the other ten. That provenance shapes every claim below.
The front number, and the asterisk
The application listing gives the front Flex wheel bearing as the 513275 hub for 2009, front and all wheel drive alike, and retail listings extend it through the run.
The same catalog’s new-item index prints 513276 for the Flex. Two adjacent numbers, one vehicle, so match your old part or run the VIN rather than assuming.
Flex wheel bearing part numbers
| Years | Detail | Number |
|---|---|---|
| 2009 to 2019 | Front hub, both drivetrains | 513275 check price |
| 2009 to 2019 | Rear hub | Edge-family listing, confirm by VIN |
Every model year this chart resolves: 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 and 2019.
Price links lead to Amazon searches for that number. As an Amazon Associate this site earns from qualifying purchases.
Lookups run through the cross reference page.
The family it belongs to
The Flex shares its platform generation with the Edge, MKX and Taurus, and its rear hubs live in those families’ listings. The related pages are the MKX page and the Taurus page, with the make overview on the Ford page.
Three rows of people is the duty cycle
A loaded Flex runs well past two and a half tonnes, and it carries that weight low and constantly. Bearing hum that swells on gentle motorway curves, usually front first, is the standard complaint on high-mileage examples.
Whether it is that or the wide tires is settled on the tire noise page.
Diagnosing a Flex wheel bearing
- Weave gently at speed and place the drone by corner.
- Rock each wheel at twelve and six.
- Match the old hub or the VIN before ordering, given the recorded number conflict.
- Check the sensor connector while in there, since the hub carries it.
- Inspect both fronts together on a high-mileage car.
The routine is on the checking page.
Common questions
Which Flex wheel bearing fits the front?
513275 is the application listing, both drivetrains. Given the catalog’s own 513276 entry, confirm against your old part or VIN.
Why can’t this page just pick one number?
Because the source disagrees with itself, and pretending otherwise is how wrong parts get ordered. The VIN settles it in one call.
What about the rear?
It lives in the Edge and MKX family listings. Confirm by VIN for your year.
Do I need a press?
No. The hubs bolt on at both ends.
Does EcoBoost change anything?
The listings split by drivetrain and year, not engine.
Is this vehicle hard on bearings?
It is heavy and always full, which shortens front bearing life the ordinary honest way.