
heater hose vs oil hose | Bob Is The Oil Guy
15/1/2007· Right, besides just the materials incompatibility, heater hose has to withstand what, maybe 15psig (though tested to much higher), whereas oil hose could have to handle 80psig or more. SAE certified hose for hot oil circulation is rated very high in temp and pressure. It''s reinforced with wire internally in most cases.