Male Union 3992178

positive OEM
Cummins
Part# 3992178
note
Threaded male union for secure fluid connections in truck systems.
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Description

The Cummins Male Union (3992178) is a threaded fitting designed to connect fluid lines securely within commercial truck systems. It facilitates leak-proof connections in fuel, hydraulic, and coolant circuits, enabling efficient fluid transfer and system maintenance. This component supports reliable operation by providing a detachable joint for fluid system integration.

Key Specifications

  • Application: Tier 2 5.9L B engines
  • Function: Connects fluid lines with threaded union
  • Compatibility: Commercial truck fluid systems
  • Construction: Metal body with corrosion-resistant finish
  • Features: 1/8 NPTF x 7/16-20 thread, reinforced threading
  • 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# 3992178
Type OEM
Part# variations 3992178 CUM,
3992178CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty