CARTRIDGE W/O COILSpecifications Item Description The Cartridge, Solenoid Valve Less Coil (7027625) is a hydraulic valve component designed for the boom system of JLG 450AJ and 450A aerial work platforms. This cartridge fits into the Upright Valve Assembly and controls hydraulic flow direction and pressure in the boom circuit. One unit is required per installation and measures 7in L x 1in W x 1in H, weighing 0. 662lb. Skyworks is an authorized reseller of JLG parts.