Keystone GM1138100 Rear Driver Side Step Bumper End Insert

The Keystone GM1138100 is a rear driver side step bumper end insert designed as a direct replacement for worn or damaged factory bumper step components. This insert fits into the end cap of rear step bumpers, providing a functional step surface and protecting the bumper structure.

Key Features:

• Made of durable PP (polypropylene) plastic for long-lasting performance
• Driver side (left) rear application
• Direct replacement for GM vehicles with rear step bumpers
• Designed to match OEM specifications for proper fit
• Helps restore appearance and functionality of damaged step bumpers

This step insert is engineered to withstand regular use and exposure to weather conditions. The polypropylene construction offers excellent impact resistance while maintaining flexibility in varying temperatures. Installation typically requires removal of the bumper end cap or existing damaged insert.