ZF Pressure Regulator Solenoid Valve 0501335152 — Transmission Control Valve for LIUGONG 856H/862H/870H & ZF 230/210 Gearboxes

The ZF 0501335152 is a transmission pressure regulator solenoid valve designed for ZF 4BP210 and related powershift gearboxes used in LIUGONG wheel loaders, including the 856H, 862H, and 870H models equipped with ZF 230/210 series transmissions. This proportional pressure regulator controls hydraulic pressure within the transmission control circuit, enabling precise clutch modulation and smooth gear engagement under varying load conditions. As a critical electro-hydraulic actuator in the mechatronic control system, it directly affects shift quality and transmission response. The valve is a direct replacement for worn or failed original units, restoring proper pressure regulation and preventing symptoms such as harsh shifting, delayed engagement, or loss of drive. It is identified in ZF parts catalogs under the designation “PRESSURE REGULATOR” .