Buy Subaru Legacy 2.5L MT Suspension Trailing Arm (Left, Rear). Trailing Arm Trailing arms often dont - OEM Subaru Part # 20252AE011 (20252AE010, 20252AE01A)

Arm connected between the axle and a forward pivot point.

TRAILING ARM-REAR,LEFT Suspension Trailing Arm

Fits Legacy (2000 - 2004)

Trailing Arm
Trailing arms often dont fail on their own, although their associated bushings can break or wear causing a clunk noise from the rear when your Subaru goes over bumps or changes speed rapidly—whether braking or under hard acceleration.