Engine Coolant Curved Branched Radiator Hose (72348) by Dayco®. Position: Lower. Hose Type: Branched Hose. Contains Heat Shield: No. Contains Protective Sleeve: No. Designed as the aftermarket replacement for the OE curved branched hose, this product ensures a precise fit, OE quality and performance. Its maximum resistance to oil, salt, ozone, and temperatures up to 257 Degrees F is assured with EPDM (ethylene propylene diene monomer (M-class) rubber) construction and knitted rayon reinforced inner base. Constructed with leak proof junctions, the product delivers long service life and unrestricted flow.