A valve seal prevents oil from running past the valve stem into the combustion chamber, and it is important to replace these because worn seals lead to oil consumption, smoke generation, and reduced engine performance.
Valve seals / Valve stem seals suitable for, among others, the following models:
Universal mechanical lift pump for Mitsubishi L-series and SL-series engines. This fuel pump is one of the most used pumps in compact machinery. It provides fuel supply for numerous mini excavators from Volvo, Hanix, Terex, Caterpillar, and Schaeff.