John Deere Rear Crankshaft Seal - M805278

Key Features

• John Deere Rear Crankshaft Seal – part number M805278 – designed for precise sealing at the rear of the crankshaft.
• Prevents leakage of engine oils and lubricants along the shaft interface while restricting ingress of dirt, dust, and other contaminants.
• Engineered to maintain seal integrity under typical agricultural machinery operating conditions, including vibration and thermal cycling.
• Facilitates straightforward replacement during standard John Deere engine service and rear crankshaft maintenance procedures.

Product Details

• Product: John Deere Rear Crankshaft Seal
• Part Number: M805278
• Type: Rear crankshaft seal
• Function: Prevents passage or return of fluids or foreign matter on shafts
• Manufacturer: John Deere

Compatibility

• Compatible with John Deere equipment that specifies rear crankshaft seal part M805278.
• Ensure correct orientation and seating in accordance with John Deere service documentation during replacement.