Molded Hose 3977837

positive OEM
Cummins
Part# 3977837
note
Engine molded hose for fluid transfer and thermal system integrity.
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Extended Lead Time
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Description

The Cummins Molded Hose (3977837) is a molded synthetic rubber hose designed to transfer fluids within engine systems. It provides a flexible, reinforced conduit for coolant and other fluids, maintaining system integrity under operational stresses. This hose supports fluid circulation critical to engine performance and thermal management.

Key Specifications

  • Application: QSB5.9 CM850, QSB6.7 M CM2250 engines
  • Function: Fluid transfer within engine systems
  • Compatibility: Tier 3 5.9L ISB/QSB engines
  • Construction: Molded synthetic rubber with textile reinforcement
  • Features: Reinforced sections, heat and fluid resistant, molded connections
  • 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# 3977837
Type OEM
Part# variations 3977837 CUM,
3977837CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty