Chevrolet Silverado 3500HD Core Support Mount - Left - RustBuster - `11-`18 is a direct-fit replacement core support mount for the left side of 2011–2018 Silverado 3500HD models. It restores the original mounting point to secure the radiator core support and related components.

This RustBuster core support mount is made to match OE mounting locations and dimensions for a reliable fit during repairs or custom builds. The part is finished with RustBuster’s corrosion-resistant coating to help reduce rust in areas exposed to road salt and moisture. Designed for collision repair or restoration projects, this mount interfaces with the existing brackets and fasteners, providing a durable replacement without the need for major modifications.

Features

• Left-side core support mount compatible with 2011–2018 Chevrolet Silverado 3500HD
• RustBuster corrosion-resistant finish to resist rust and corrosion
• Direct-fit design to OEM mounting points for straightforward installation
• Designed to restore proper alignment and structural support for the core assembly

If you have questions about fitment, installation, or modification options, call us directly. We have two service locations offering installation and customization: Austin, Texas and the Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA) and our team will help confirm compatibility and schedule service.

If you are considering purchasing multiple items, contact us for potential shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov