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Rear Wheel Bearing (Press-in)
This usually takes 5-15 seconds. We're pulling together fitment data,
OEM numbers, and community knowledge...
Dusting off the service manual...
💡 This page improves over time as the community adds casting photos and confirms fitment
Wiki page
5L V8 Naturally Aspirated Coyote V8 (435hp).
Quick reference
Verify part numbers against Shelby GT350 and GT500 models due to possible suspension differences
Mid-cycle refresh updates may affect casting numbers; cross-reference with VIN if possible
Context
For the 2018 Ford Mustang equipped with the 5.0L V8 Coyote engine, the rear wheel bearing, commonly referenced by part number FR3Z-1215-A, is a critical component for maintaining wheel alignment and smooth rotation. This bearing is compatible with the 2015-2020 model years, ensuring broad interchangeability within the S550 platform. When sourcing from a junkyard, ensure that the bearing is intact without scoring or rust, as these can lead to premature failure. Installation requires pressing the bearing into the hub assembly, so access to a hydraulic press is recommended. Additionally, always inspect the mounting brackets for compatibility, especially in Shelby variants, and ensure the correct torque specifications are followed to prevent bearing preload issues. The BG33-1215-AA variant may also be available, but verify its fitment against specific axle configurations.
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Confirmed fitment
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 2018 | Ford | Mustang | 5L V8 Naturally Aspirated Coyote V8 (435hp) | 80% |
Available parts

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