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                                    It is used to seal the valve guide rod of the engine, which can prevent the oil from entering the combustion ch... - 
                                    
                                    It is installed in the front and rear end of the engine crankshaft to prevent the leakage of lubricating oil in... - 
                                    
                                    Prevent the leakage of lubricating oil inside the engine body and the entry of water, dust and other impurities... - 
                                    
                                    It is installed on the driving bevel gear to prevent the leakage of gear oil inside the main reducer housing an... 




