VALVE - RELIEF (Mitsubishi MB1015156)

A worn relief valve can cause system pressure to spike unexpectedly, risking component damage. This aftermarket replacement part references Mitsubishi as the OE maker and cross-references part number MB1015156. The valve's general function is to open at a preset pressure, diverting flow to protect the circuit. A plain mechanical function is that it uses a spring-loaded poppet to regulate pressure. A concrete generic failure consequence is that a stuck-closed valve may lead to burst hoses or seal failure. Keeping a relief valve in sound condition helps prevent costly downtime from pressure-related failures. Verify the serial number or application, then call (562) 693-7748.

Part number variants: MB1015156, mb1015156