GMC Sierra 3500HD Upper Coolant Pipe – Wehrli – Aluminum – Kiwi Green – 2011–2016. An aluminum upgrade that replaces the factory rubber upper coolant hose on LML Duramax trucks.

Built by Wehrli, this rigid pipe delivers long-term reliability and a bold Kiwi Green powder coat. It is engineered for 2011–2016 GMC Sierra 3500HD with the LML Duramax and is intended for use with the OEM GM radiator; some aftermarket radiators may cause fitment issues. The kit includes silicone boots and T-bolt clamps for secure connections and straightforward installation.

Features

• 2011–2016 GMC Sierra 3500HD (LML Duramax) compatibility
• Aluminum tube replaces OEM rubber hose
• Kiwi Green powder-coated finish
• Includes silicone boots and T-bolt clamps; OEM radiator use

Have questions or need guidance on fitment or install? Call us. Our teams in Austin, Texas and the Los Angeles, California area offer professional installation and customization. Reach us at 512-982-9393 (TX) or 562-981-6800 (CA).

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

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