PISTON RING SET 4 CYL 0.75 (Toyota TY00591-17853-81)

TY00591-17853-81: A worn piston ring set can allow combustion gases to bypass the piston, reducing compression and increasing oil consumption. This aftermarket replacement part references Toyota catalog number TY00591-17853-81. The set includes rings that seal the gap between the piston and cylinder wall during operation. A common failure consequence is excessive blow-by, which can lead to power loss and higher emissions. The part ships at approximately 0.4 pounds. Verify the serial number or application, then call (562) 693-7748. This piston ring set is for a 4-cylinder configuration with a 0.75 oversize specification.

Part number variants: TY00591-17853-81, ty00591-17853-81, TY005911785381, ty005911785381