O-RING (Toyota TY00591-20973-81)

A worn retaining ring can allow components to shift, leading to mechanical failure. This aftermarket replacement part references Toyota catalog number TY00591-20973-81. The O-ring functions as a seal between two mating surfaces, preventing fluid or gas leakage. A common failure consequence is loss of pressure or contamination ingress, which can degrade system performance. During assembly, the O-ring compresses to fill the gap and maintain a tight seal. The item ships at approximately 0.001 pounds. Verify the serial number or application, then call (562) 693-7748.

Part number variants: TY00591-20973-81, ty00591-20973-81, TY005912097381, ty005912097381