Water Bypass Tube 4000866

positive OEM
Part# 4000866
Engine cooling system tube regulating coolant flow to prevent overheating.
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Description

The Cummins Water Bypass Tube (4000866) is a component of the engine cooling system that regulates coolant flow to maintain stable engine temperatures. It diverts coolant when necessary to prevent overheating and supports efficient thermal management within heavy-duty engine systems.

Key Specifications

  • Application: QSK45 CM500, QSK60 CM500, QSK60 CM850 MCRS, QSK60G engines
  • Function: Regulates coolant flow in engine cooling system
  • Compatibility: Cummins QSK series engines
  • Construction: Metal tubing designed for high temperature and pressure
  • Features: Supports auxiliary cooling, facilitates coolant recirculation, corrosion-resistant
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 4000866
Type OEM
Part# variations 4000866 CUM,
4000866CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty