GMC Sierra 3500 Upper Coolant Pipe - Wehrli - Fabricated Aluminum - WCFab Grey - 2020-2025. Replace the stock rubber upper radiator hose with a precision-built aluminum hard pipe finished in WCFab Grey for your L5P Duramax.

Built by Wehrli Custom Fabrication for 2020-2025 6.6L L5P Duramax Chevrolet Silverado and GMC Sierra 2500/3500 trucks, this fabricated aluminum upper coolant pipe cleans up the engine bay and adds sturdy, long-term component integrity. It installs on stock trucks with basic hand tools, mates to the OEM GM radiator (aftermarket radiators may cause fitment issues), and replaces GM part numbers 84813629 and 85122989. The kit includes quality silicone boots and stainless steel T-bolt clamps for a secure connection.

Features

• Fits 2020-2025 6.6L L5P Duramax Silverado/Sierra 2500/3500
• For OEM GM radiator; aftermarket units may affect fit
• Fabricated aluminum construction, WCFab Grey powder coat
• Includes silicone boots and stainless steel T-bolt clamps
• Direct install on stock trucks; no modifications necessary
• Replaces GM 84813629 and 85122989

Questions about compatibility or installation? Call us: Texas 512-982-9393, California 562-981-6800. We have two locations in Austin, Texas and the Los Angeles, California area offering installation and customization services.

Buying 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