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Compatibility
This part will fit the following 144 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
MTDMTD 483-SU - MTD Engine (2010 & After)483-SU-10 Crankcase
MTDMTD 31AH55LH704 - MTD Gold Snow Thrower (2010)483-SU-10 Crankcase
MTDMTD MP 30 (31AH65FH795) - MTD Pro Snow Thrower (2010)483-SU-10 Crankcase
ColumbiaColumbia 10528 PC (31AH55K4897) - Columbia 28" Snow Thrower (2010)483-SU-10 Crankcase
CraftsmanCraftsman 247.888350 (31AH95SI799) - Craftsman Snow Thrower (2011) (Sears)483-SUA Crankcase
Description
The purpose of the Oil Seal is to protect shaft and bearings from intake of dirt and debris, and prevent oil or grease from leaking out. Replacing a damaged oil seal can prevent the more consequential damage to the crankshaft and other parts of the engine. Improper assembly, excessive wear, poor lubrication, and contamination from debris can all damage the oil seal and require replacement. Be sure to adjust the oil seal tightness when installing to prevent leaks of rotating shafts.