A valve seal prevents oil from entering the combustion chamber past the valve stem, and it is important to replace them because worn seals lead to oil consumption, smoke formation, and reduced engine performance.
Valve seals - Valve stem seals suitable for the following models:
Head gasket for the Kubota D722 three-cylinder diesel engine with 67 mm bore. Suitable for B1610, BX1880, GB140, K008, TG1860, U10, ZD18, Bobcat, Avant, Schäffer, and others. OEM: 16871-03310 and 1J092-03310.