2011-2014 Mustang Rear Upper Control Arm, Mount and Differential Bushing Fitment
2011-2014 Mustang rear upper control arm, chassis mount and axle/differential bushing; 2005-2010 hardware excluded
WHERE TO BUY
Open an exact listing, then confirm fitment, stock, price, and shipping with the seller before ordering.
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2011-2014 only. Distinguish axle housing bushing, upper arm and chassis mount. Verify standard versus Shelby bushing and brand compatibility. Adjustable arms require pinion-angle setup; spherical/stiffer parts can add NVH.
OEM numbers
Ford BR3Z-5A638-B standard axle bushingDR3Z-5A638-A Shelby catalog splitBMR UTCA032Steeda 555-4113 arm, 555-4027 mount and 555-4436 axle bushingJ&M 23987 mount.Supersession
No 2005-2010-to-2011-2014 mount interchange asserted. BMR and Steeda instructions identify different later hardware; brand-specific mounts/arms may not mix.
Fitment
2011-2014 only. Distinguish axle housing bushing, upper arm and chassis mount. Verify standard versus Shelby bushing and brand compatibility. Adjustable arms require pinion-angle setup; spherical/stiffer parts can add NVH.
Aftermarket options
Checked OEM bushing, polyurethane/spherical adjustable-arm and reinforced-mount paths. Brand-specific compatibility and street/competition NVH are labeled.
Before you buy
This guide is intentionally limited to 2011-2014 hardware. The axle bushing, upper arm and chassis mount are separate. Confirm standard/Shelby and brand-specific compatibility; set pinion angle after adjustable-arm installation; expect possible NVH from stiffer or spherical parts.
Research and fitment sources
Supersede reviewed 9 unique research sources for this guide. 6 also appear above as a seller or official action and are not repeated here; 3 additional citations follow.
Research last verified .
