Main Bearing Kit 0.25mm Undersized for CDC-B 4-Cylinder 3.9L Diesel Engines
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Main Bearing Kit 0.25mm Undersized for CDC-B 4-Cylinder 3.9L Diesel Engines

Original price was: $68.37.Current price is: $20.51.

SKU: SMA-MBKC39-025MM Category:

Description

When your engine’s been through a few seasons and the crankshaft’s seen some wear, a standard bearing set just won’t cut it anymore. If your machinist has measured the crank journals and found they need to be turned 0.25mm undersized, this bearing kit is exactly what you need to get that engine running like new again. It’s the difference between a costly engine replacement and getting years more life out of what you’ve got.

What You’re Getting

  • Complete bearing set machined to precise 0.25mm undersized specifications
  • High-quality bearing material that handles the heat and pressure of diesel operation
  • All bearings needed for a complete crankshaft rebuild in one convenient kit
  • Proper oil clearances when paired with a professionally turned crankshaft

Built for Real Farm Work

This kit is designed specifically for CDC-B series 4-cylinder 3.9L diesel engines. These are the workhorses you’ll find in various agricultural equipment where reliability matters most. Whether it’s powering a combine, irrigation pump, or other farm machinery, these engines need to keep running when the work needs to get done.

Made to Last

Engine bearings take a beating from constant rotation, high temperatures, and the pressures of diesel combustion. These bearings are manufactured to handle those conditions with proper lubrication channels and materials that resist wear. When installed correctly with a properly prepared crankshaft, they’ll give you the service life you expect.

Installation Notes

This is definitely a job for an experienced engine builder or machine shop. The crankshaft needs to be professionally turned to the undersized dimension before these bearings will fit properly. Always check oil clearances with Plastigage and follow proper torque specifications. Take your time—rushing an engine rebuild never pays off in the long run.

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