06-25-2018, 06:29 PM
I dont know what that housing is but there should be a send and return hose for coolant going to the dash heat or other heater core within the coach. My 1978 Newell had a heater core fed by the engine coolant under the bed in the rear.
1993 Newell (316) 45' 8V92,towing an Imperial open trailer or RnR custom built enclosed trailer. FMCA#232958 '67 Airstream Overlander 27' '67GTO,'76TransAm,'52Chevy panel, 2000 Corvette "Lingenfelter"modified, '23 Grand Cherokee.