Description
If you’re hearing squealing from the front of your engine or noticing coolant leaks around the water pump, the shaft bearing might be telling you it’s time for attention. This small but critical bearing supports the water pump shaft and handles belt tension and rotational forces that keep your cooling system running properly. When it starts to fail, you’ll know it – and ignoring it can lead to expensive pump replacement or worse.
What You’re Getting
- Quality bearing designed to handle the constant rotation and belt loads of water pump operation
- Precision-manufactured to OEM specifications for proper fit and long service life
- Used in water pump kit WPK664 for complete system rebuilds
- Direct replacement that restores smooth, quiet pump operation
Built for Real Farm Work
This bearing fits the water pumps on John Deere 3020 tractors with serial number 123000 and up, along with 4000 and 4020 tractors starting at serial number 201000. These are the workhorses that built modern farming – reliable utility tractors pulling implements, running loaders, and handling the daily tasks that keep operations moving. These tractors put tremendous stress on cooling systems with their demanding workloads.
Made to Last
Heavy-duty bearings handle the constant operation and vibration of farm work that would wear out lighter components. This bearing is built to the same quality standards as the original equipment, designed to withstand the heat cycles, moisture, and debris that come with agricultural use.
Good to Know
When rebuilding, inspect everything carefully and check shaft runout with a dial indicator – any wobble means replacement. Replacing a water pump bearing requires draining the cooling system completely, and while you’re at it, flush the system and replace old coolant to prevent premature wear of your new bearing.
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