The Volvo 1105057855 release valve is a genuine OEM component, directly interchangeable with the ZF OE part number 9630060030 (ZF internal 0501210030). This pressure limiting valve is designed for precise hydraulic pressure regulation within ZF Ecomat series transmissions. It ensures optimal performance and reliability in heavy-duty applications. This valve also cross-references with DAF 0699047, MAN 81325006001, and Mercedes-Benz 0002700089 / A0002700089.