HOSE,LOWER RADIATORSpecifications Item Description This lower radiator hose is a replacement part for the Deutz D2. 9L4 Engine assembly found in JLG 450AJ and 450A aerial work platforms. The hose measures 16 inches in length and manages coolant circulation within the engine cooling system. It is a critical component for maintaining proper engine temperature regulation and should be replaced if cracked, leaking, or damaged. Skyworks is an authorized reseller of JLG