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InMotion WA512401 Wheel Bearing and Hub Assembly - Rear
Rear Wheel Hub Assembly for Subaru and Toyota
InMotion WA512401 is a rear wheel bearing and hub assembly built for direct replacement on select Subaru and Toyota applications. It is engineered from OE data and measurements for fit, performance, and service life, with a precision-manufactured design that supports proper wheel mounting and ABS function.
Key Features
- Rear wheel bearing and hub assembly for select AWD and performance applications
- Direct replacement design based on OE data and measurements
- 27-spline hub configuration
- 5 wheel studs with a 4-bolt flange pattern
- ABS sensor included
- Modified flange shape with 123.9 mm flange diameter
- Wheel pilot diameter: 55.9 mm
- Brake pilot diameter: 57.9 mm
- Hub pilot diameter: 83.9 mm
- Bolt circle diameter: 100.2 mm (3.937 in.)
Detailed Description
InMotion WA512401 is a rear hub assembly designed for vehicles that need a precise OE-style replacement at the wheel end. The assembly is manufactured with strict quality-control criteria and built to match the designated application, helping maintain correct wheel fitment, bearing support, and ABS sensor integration. This part number is a practical choice for drivers servicing a Subaru BRZ, Subaru WRX, Subaru Forester, or Toyota GR86 where rear hub wear or sensor-related issues are present. WA512401 is also referenced as a replacement for the same application under cross-reference part numbers 172286 and 182286.
Compatible Vehicle Fitment
- Fits 2022-2023 Toyota GR86, Rear, Standard Grade
- Fits 2017-2020 Toyota 86, Rear, Standard Grade
- Fits 2013-2016 Scion FR-S, Rear, Standard Grade
- Fits 2013-2019 Subaru BRZ, Rear, Standard Grade
- Fits 2019-2021 Subaru Crosstrek, Rear, Standard Grade
- Fits 2008-2014 Subaru Impreza, Rear, Standard Grade
- Fits 2010-2014 Subaru Legacy, Rear, Standard Grade
- Fits 2010-2014 Subaru Outback, Rear, Standard Grade
- Fits 2013-2014 Subaru WRX STI, Rear, Standard Grade
- Fits 2009-2013 Subaru Forester, Rear, Standard Grade
- Fits 2013 Subaru WRX, Rear, Standard Grade
Common Issues This Part Can Address
- Rear wheel bearing noise, growling, or rough rotation
- Excessive wheel play or looseness at the hub
- ABS warning light caused by a failing hub-mounted sensor
- Uneven wheel mounting or vibration from hub wear
- Service replacement after corrosion or bearing damage
Installation Notes and Tips
Confirm rear-position fitment and verify the 27-spline, 5-stud, and 4-bolt flange specifications before installation. Inspect the mating surfaces, axle interface, and ABS wiring condition during service, and torque all fasteners to the vehicle manufacturer’s specifications. For Subaru BRZ, Subaru WRX, Subaru Forester, and Toyota GR86 rear hub service, matching the OE measurements helps ensure proper alignment and sensor operation.
Quality Assurance
InMotion manufactures this hub assembly using high-precision processes and strict quality-control standards. Each unit is engineered from OE data and measurements to support correct fitment, performance, and longevity in the specified rear applications.
| Brand | InMotion |
| Part Number | WA512401 |
| Spline Quantity | 27 |
| Flange Bolt Hole Quantity | 4 |
| Wheel Pilot Diameter | 55.9 |
| Brake Pilot Diameter | 57.9 |
| Wheel Stud Quantity | 5 |
| Hub Pilot Diameter | 83.9 |
| Flange Shape | Modified |
| Anti Lock Brake Sensor Included | Yes |
| Flange Offset | 66.5 |
| Flange Diameter | 123.9 |
| Bolt Circle Diameter | 100.2 |
| Bolt Circle Diameter | 3.937 |
This part fits 45 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2023 | Toyota | GR86 | Rear | Standard Grade | |
| 2022 | Toyota | GR86 | Rear | Standard Grade | |
| 2021 | Subaru | Crosstrek | Hybrid | Rear | Standard Grade |
| 2020 | Subaru | Crosstrek | Hybrid | Rear | Standard Grade |
| 2020 | Toyota | 86 | Rear | Standard Grade | |
| 2019 | Subaru | BRZ | Rear | Standard Grade | |
| 2019 | Subaru | Crosstrek | Hybrid | Rear | Standard Grade |
| 2019 | Toyota | 86 | Rear | Standard Grade | |
| 2018 | Subaru | BRZ | Rear | Standard Grade | |
| 2018 | Toyota | 86 | Rear | Standard Grade | |
| 2017 | Subaru | BRZ | Rear | Standard Grade | |
| 2017 | Toyota | 86 | Rear | Standard Grade | |
| 2016 | Scion | FR-S | Rear | Standard Grade | |
| 2016 | Subaru | BRZ | Rear | Standard Grade | |
| 2015 | Scion | FR-S | Rear | Standard Grade | |
| 2015 | Subaru | BRZ | Rear | Standard Grade | |
| 2014 | Scion | FR-S | Rear | Standard Grade | |
| 2014 | Subaru | BRZ | Rear | Standard Grade | |
| 2014 | Subaru | Impreza | WRX STI | Rear | Standard Grade |
| 2014 | Subaru | Legacy | Rear | Standard Grade | |
| 2014 | Subaru | Outback | Rear | Standard Grade | |
| 2014 | Subaru | WRX STI | Base | Rear | Standard Grade |
| 2013 | Scion | FR-S | Rear | Standard Grade | |
| 2013 | Subaru | BRZ | Rear | Standard Grade | |
| 2013 | Subaru | Forester | Rear | Standard Grade | |
| 2013 | Subaru | Impreza | WRX Limited | Rear | Standard Grade |
| 2013 | Subaru | Legacy | Rear | Standard Grade | |
| 2013 | Subaru | Outback | Rear | Standard Grade | |
| 2013 | Subaru | WRX | Base | Rear | Standard Grade |
| 2013 | Subaru | WRX STI | Base | Rear | Standard Grade |
| 2012 | Subaru | Forester | Rear | Standard Grade | |
| 2012 | Subaru | Impreza | WRX | Rear | Standard Grade |
| 2012 | Subaru | Legacy | Rear | Standard Grade | |
| 2012 | Subaru | Outback | Rear | Standard Grade | |
| 2011 | Subaru | Forester | Rear | Standard Grade | |
| 2011 | Subaru | Impreza | 2.5i | Rear | Standard Grade |
| 2011 | Subaru | Legacy | Rear | Standard Grade | |
| 2011 | Subaru | Outback | Rear | Standard Grade | |
| 2010 | Subaru | Forester | Rear | Standard Grade | |
| 2010 | Subaru | Impreza | WRX Limited | Rear | Standard Grade |
| 2010 | Subaru | Legacy | Rear | Standard Grade | |
| 2010 | Subaru | Outback | Rear | Standard Grade | |
| 2009 | Subaru | Forester | Rear | Standard Grade | |
| 2009 | Subaru | Impreza | 2.5 GT | Rear | Standard Grade |
| 2008 | Subaru | Impreza | WRX | Rear | Standard Grade |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.