AUTOMANN Motor Mount Bushing Peterbilt Part No: M20310

When you’re managing performance and longevity in heavy-duty trucks, the M20310 Motor Mount Bushing Peterbilt offers a precision solution for the rear motor mount position. Supplied by Wofford Truck Parts, this bushing replaces OEM references such as CB220372 and J20512. Engineered for compatible Peterbilt models (including Series 379, 386, 387, 388, 389) the part provides secure mounting, effective vibration absorption and better alignment of the powertrain. Its robust design helps reduce wear on mounting hardware and engine supports, ultimately improving ride quality, reducing noise and increasing uptime in commercial service conditions.