WCFAB 2020-2023 L5P Duramax Upper Coolant Pipe Ford 1999 is at it again with

is at it again with a much-improved second generation kit

Removable air box lid element allows for easy visual inspection and maintenance of your WCFab filter with included hydrophobic pre-filter cover

4" drop shackles as they do not require any modifications to the vehicle for installation

and 192% greater fin surface area than the stock 2003–2005 Duramax transmission cooler

WCFAB 2020-2023 L5P Duramax Upper Coolant Pipe Ford 1999 is at it again withPowdercoat colors can be found here! Aluminum Upper Coolant Pipe for 2020 2023 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces ugly rubber radiator hose with powder coated,fabricated aluminum hard pipe Cleans up engine bay appearance Includes high quality silicone boots and stainless t bolt clamps Will fit on stock trucks with no other modifications necessary Installs easily with basic hand tools