Connecting Rod Bearing 3939392

positive OEM
Cummins
Part# 3939392
note
Engine bearing reducing friction between connecting rod and crankshaft.
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Description

The Cummins Connecting Rod Bearing (3939392) is a circular engine component positioned between the connecting rod and crankshaft. It reduces friction and wear during engine operation, enabling smooth rotation under high pressure and temperature conditions. This bearing supports the mechanical integrity of the engine by minimizing metal-to-metal contact.

Key Specifications

  • Application: Tier 2 4.5 liter ISB/QSB engines
  • Function: Reduces friction between connecting rod and crankshaft
  • Compatibility: Cummins ISB, QSB engine series
  • Construction: Metal alloy bearing shell with lubrication surface
  • Features: 0.50 mm oversize dimension, half upper rod bearing
  • Quality: OEM Cummins 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# 3939392
Type OEM
Part# variations 3939392 CUM,
3939392CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty