Bearing-Main Std D34 3178766CAT

Interstate MCBee
Part# 3178766CAT
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Main bearing for crankshaft support in heavy-duty engines
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Description

The Interstate McBee Main Standard D34 Engine Crankshaft Main Bearing (3178766CAT) supports smooth rotation and load distribution within engine crankshaft assemblies. This bearing maintains alignment and reduces friction between moving engine components, ensuring stable engine operation under heavy-duty conditions.

Key Specifications

  • Application: Kenworth engines
  • Function: Supports crankshaft rotation and load
  • Compatibility: Heavy-duty truck engines
  • Construction: Metal alloy bearing shells
  • Features: Standard size D34, OEM part number 3178766CAT-396I
  • Quality: OEM Interstate McBee part

Shipping Info

Next Day Air services are available for In Stock items. Our shipping cutoff time is Monday - Friday 4:30pm Eastern Standard Time (EST). 

 

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More Information

Current Part# 3178766CAT
Manufacturer Interstate MCBee
Warranty Standard Manufactures