Rear Right Trailing Arm - 2018 Mustang

The rear right trailing arm for the 2018 Ford Mustang, part number FR3Z-5A658-A, is critical for maintaining proper alignment and handling. This component typically fits 2015-2023 Mustang models equipped with the 5.0L V8 engine. When inspecting a used trailing arm, look for signs of bending, rust, or worn bushings, as these can lead to alignment issues and affect performance. Installation requires proper torque specifications; use a torque wrench to ensure all bolts are tightened to factory specs. If you're sourcing from a junkyard, check for part number FR3Z-5A658-B as a potential alternative, but be aware of possible differences in mounting brackets. Always verify the fitment before finalizing your purchase.