Bearing - Main - .63Mm 4W5689CAT

Main bearing undersized .63mm for crankshaft support in heavy-duty engines
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Description

The Main Bearing .63mm (4W5689CAT) is a critical engine component designed to support crankshaft rotation by reducing friction between moving parts. It serves as a load-bearing interface within heavy-duty engine assemblies, ensuring smooth mechanical operation under high stress conditions.

Key Specifications

  • Application: Heavy-duty diesel engines
  • Function: Supports crankshaft rotation, reduces friction
  • Compatibility: Heavy-duty truck engines
  • Construction: Metal alloy bearing shell
  • Features: .63mm undersize, precision machined
  • Quality: OEM NMCB - Interstate McBee part

Shipping Info

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More Information

Current Part# 4W5689CAT
Manufacturer Interstate MCBee
Warranty Standard Manufactures