GMC Sierra 3500 HD Splash Shield Kit - Lower - Wehrli - Gun Metal - 2020–2025. A direct‑fit aluminum replacement for the factory lower cover that improves protection and cleans up the underside.

Built by Wehrli Custom Fab from heavy‑gauge aluminum, this panel spans the lower engine bay and cooling stack for stronger coverage than OEM plastic. It bolts to factory points with supplied flanged hardware and integrated standoffs and is finished in Gun Metal powder coat. Fits 2020–2025 Sierra 3500 HD, gas or diesel, stock height or leveled; for lifted trucks, please contact us to confirm compatibility. Not a skid plate. Replaces GM 84154539.

Features

• Heavy‑gauge aluminum construction
• Gun Metal powder coat finish
• Direct bolt‑on to OEM mounting points
• Built‑in standoffs with new flanged hardware
• Added front coverage vs OEM plastic

Questions or planning a build? Call our Austin shop at 512-982-9393 or our Los Angeles area shop at 562-981-6800. We offer installation and customization at both locations.

Purchasing multiple items? Contact us about shipping discounts. We install on premises at both locations.

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