10 Pcs Big Oil Seal 12*28*7 For 2 Stroke 26 CC (TU26) Engine, Suitable for Power Sprayer & Water Pump

This is also known as lip seals or rotary shaft seals, are designed to retain lubricants while excluding dirt, dust, and moisture from entering the machinery. They consist of a flexible sealing lip that contacts a rotating shaft and a rigid outer casing that fits into the housing of the pump or sprayer. The effectiveness of an oil seal is crucial for ensuring that the internal components remain lubricated without contamination.