Description
Authentic Rear Bumper Solution. The GM Bumper Insert is a factory-grade component designed for the passenger side rear bumper of 2015-2019 GMC Sierra 3500 HD models. Unlike corner step inserts, this version comes without a step pad, making it ideal for models not equipped with rear bumper step functionality. It’s a direct-fit solution that restores the original appearance of your bumper with GM-certified precision.
Construction and Appearance. Constructed from high-grade automotive materials, this bumper insert features a matte black finish for a sleek, understated look that seamlessly blends into your truck’s rear bumper. As a genuine GM product, it matches OEM quality standards and ensures long-lasting durability against weather and road conditions.
Installation. Installation is quick and straightforward with this direct replacement part. It uses the original mounting locations on the bumper and requires no additional hardware or modifications. The snug fit provides a secure hold and a clean, professional finish without the need for drilling or fabrication.
Application. This GM Bumper Insert fits 2015-2019 GMC Sierra 3500 HD models. It’s perfect for replacing a worn, missing, or damaged non-step version of the rear bumper insert and helps maintain the factory look and functionality of your truck.
CA Residents: WARNING: Cancer and Reproductive Harm
- GM Bumper Insert
- Rear Model
- Passenger Side
- Does Not Have a Step Pad
- Matte Black Finish
- Genuine GM Product
- Direct Replacement for GN Part Number 23108152 and PartsLink ID GM1138100
- Comes in Singles
- Fits 2015-2019 GMC Sierra 3500 HD Models






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