Water Transfer Tube 3977832

positive OEM
Cummins
Part# 3977832
note
OLD# 3968839
Coolant transfer tube for engine thermal management in commercial trucks.
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Extended Lead Time
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Description

The Cummins Water Transfer Tube (3977832) is a coolant conduit within engine cooling systems that facilitates the circulation of coolant to regulate engine temperature. It ensures consistent coolant flow between engine components and the heat exchanger, supporting thermal management and engine durability in commercial truck applications.

Key Specifications

  • Application: Tier 3 5.9L ISB/QSB engines
  • Function: Transfers coolant within engine cooling system
  • Compatibility: Cummins QSB5.9 CM850 series
  • Construction: Metal tube with corrosion-resistant finish
  • Features: Heat-resistant, pressure-tolerant, leak-reducing design
  • 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). 

 

For more shipping information, please see our Shipping & Delivery page.

More Information

Current Part# 3977832
Old Part No.: 3968839
Type OEM
Part# variations 3977832 CUM,
3977832CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty