
The Gates molded upper coolant hose for 1984–1990 Mack MH Series with Cummins 14.0L diesel engines routes from the engine to the pipe and serves as a direct-fit replacement for the upper cooling circuit. Molded to follow original connection points, it replaces worn or damaged upper hose plumbing and helps streamline cooling-system maintenance while supporting proper alignment and sealing during installation for reliable coolant flow.
Gates 84-90 Mack MH Series Cummins 6-Cyl. 14.0L Diesel Upper - Eng. To Pipe Molded Coolant Hose