Peterbilt 389 Frame Crossmembers & Covers

Shop Peterbilt 389 Rear Frame Covers

Visually upgrade your Peterbilt 389 rear frame with stainless steel and fiberglass cover designs, including ones with light-hole cutouts, emblem mount, steer head designs, and wildfire CNC-etched styling. You can also find Peterbilt deck plates to cover exposed chassis.

Find Peterbilt 389 Rear Frame Crossmember Brackets

Restore the frame strength and crossmember support for your Peterbilt 389 frame chassis with aftermarket replacement parts. These model-specific structural components make it easy to support heavy suspension loads. Find crossmember gussets, brackets, and replacement crossmembers to boost frame rigidity and maintain a durable trailer connection area. You can also correct load-distribution issues with Peterbilt 389 walking beams with 40K/60K ratings, at a 54-inch or 60-inch axle spread, and with high/low mount options.

Add Peterbilt 389 Fuel Tank Filler Panels

Add aluminum fuel tank frame filler panels to give a polished, clean look to the gap between your frame and 26-inch Peterbilt 389 diesel fuel tank. You can find polished stainless steel filler panels alongside paintable fiberglass materials with pre-made light-hole cutouts to add Peterbilt 389 cab lights for luminous lighting effects on your truck’s undercarriage.