Rear Bumper Extension Panel for Mitsubishi

This rear bumper side extension is a small but important body trim piece that finishes the bumper corner and helps the rear end look complete ✅. It is needed to close the gap between the bumper cover and the body, keeping airflow, splashes, and road grime away from hidden mounting areas.

How It Works

The panel mounts to the bumper assembly using factory clips/screws and aligns with the bumper contour. It acts like a guide and stabilizer, reducing vibration and keeping the bumper edge supported. When fitted correctly, it improves panel alignment and helps maintain the original rear bumper shape after minor impacts.

What Happens If It’s Broken

A cracked or missing extension can cause loose bumper corners, rattles, and uneven gaps ?. Over time, the bumper cover may sag, clips may tear out, and paint edges can start chipping. Water and dirt can enter behind the bumper, speeding up corrosion on brackets and fasteners.

Technician Tip

Always check the rear bumper retainers and mounting tabs before installation; worn clips can mimic a “bad bumper” even when the cover is fine.

Compatibility

• Mitsubishi L300