Whiteline Rear Differential Bushings – Mount In Cradle Inserts for 2012-2017 Subaru Impreza WRX (GE/GH/GR/GV/GP/GJ)

Looking for rear differential bushing for your 2012-2017 Subaru Impreza WRX? The Whiteline Rear Differential Bushings – Mount In Cradle Inserts are made for it. Position: rear. Whiteline part number: KDT903. Application note: Inserts: installs into voiding of original bushings, positive diff retention. Chassis code: GE/GH/GR/GV/GP/GJ. In the box: 4 insert bushings, 2 washers, an install guide, and grease.

The differential is hung from the chassis on bushings that are soft for comfort. Under hard acceleration and braking they let it rock, so power reaches the wheels a moment late and the rear end can feel loose. A firmer bushing holds the differential more steadily, which sharpens throttle response. The polyurethane used here deflects much less than the original rubber under the same load. This version is an insert design, made to fit into the voids of the original bushing instead of replacing the whole mount.

Expect a moderate job of about 1.5 hours. A wheel alignment is not required. Other Whiteline parts we list for the Impreza WRX: 14mm Adjustable Front Camber Bolts, Rear Subframe Mount Bushing, and Front and Rear Sway Bar Kit.

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Vehicle Fitment