1985 Dodge B250 Engine: 3.7L L6; Curved; Position: Heater Hose;. 1986 Dodge B250 Engine: 3.7L L6; Curved; Position: Heater Hose;. 1986 Dodge B250 Engine: 5.2L V8; Curved; Position: Heater Hose;. 1986 Dodge B250 Engine: 5.9L V8; Curved; Position: Heater Hose;.