HSP Diesel L5P 2017-2019 Upper Coolant Tube - Illusion Blueberry S&M The glass reinforced PTFE seals

The glass reinforced PTFE seals are compatible with gasoline

Adjustable and Versatile: The carrier's adjustable mount allows you to fit a variety of tire widths and wheel offsets

Shielded by a durable 18-gauge

EDP (electrodeposition paint) is a process where metal parts are electrically charged and dipped in an opposite charged paint solution

HSP Diesel L5P 2017-2019 Upper Coolant Tube - Illusion Blueberry S&M The glass reinforced PTFE sealsThe 637 1 HSP is best known as the HSP Upper Coolant Tube for the 2017 2019 L5P Duramax equipped Chevrolet and GMC trucks. This is an often overlooked piece that can set off an engine bay. Why would you need the HSP Upper Coolant Tube for the 2017 2019 L5P Trucks? The factory upper coolant tube is a piece that just looks out of place. While the factory part works alright, it can fail due to the construction and the overall look just does not do the