SEAL KIT - HYD. CONTROL VALVE (Toyota TY00591-12396-81)

TY00591-12396-81: A worn seal kit can cause internal leakage in a control valve, reducing system pressure and leading to sluggish operation. This aftermarket replacement part references Toyota as the OE maker and cross-references part number TY00591-12396-81. The seal kit contains multiple seals designed to prevent fluid bypass between valve sections. A common failure consequence is gradual loss of actuation force, which may require increased lever effort to achieve the same movement. During routine service, a seal kit is typically replaced when visible weeping or drips appear at valve joints. The item ships at approximately 0.022 pounds. Verify the serial number or application, then call (562) 693-7748.

Part number variants: TY00591-12396-81, ty00591-12396-81, TY005911239681, ty005911239681