VALVE - CHECK HYDRAULIC PUMP (Toyota TY00591-76663-81)

TY00591-76663-81: A worn check valve can disrupt hydraulic pump flow, leading to erratic operation or system pressure loss. This aftermarket replacement part references Toyota catalog number TY00591-76663-81. The valve type controls fluid direction by opening under forward pressure and closing to prevent backflow. A common failure consequence is reduced pump efficiency or inability to hold load position. During pump service, a stuck or leaking check valve may cause slow or unresponsive movement. The item ships at approximately 0.119 pounds. Verify the serial number or application, then call (562) 693-7748.

Part number variants: TY00591-76663-81, ty00591-76663-81, TY005917666381, ty005917666381