PISTON RING SET 4 CYL 0.25 (Toyota TY00591-17951-81)

TY00591-17951-81: A worn piston ring set can cause compression loss and increased oil consumption. This aftermarket replacement part references Toyota as the OE maker and cross-references part number TY00591-17951-81. The piston ring set is a retaining ring type component that seals the gap between the piston and cylinder wall. A plain mechanical function is to maintain gas pressure during combustion. A concrete generic failure consequence is that a broken ring can lead to scoring of the cylinder bore. The item ships at approximately 0.31 pounds. Verify the serial number or application, then call (562) 693-7748.

Part number variants: TY00591-17951-81, ty00591-17951-81, TY005911795181, ty005911795181