Threaded Plug 3999673

positive OEM
Cummins
Part# 3999673
note
Threaded plug sealing openings in truck engine fluid systems.
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Description

The Cummins Threaded Plug (3999673) is a mechanical sealing component used to close openings in truck engine systems. It provides a secure, leak-proof seal to maintain system integrity and pressure in fluid circuits. This plug is essential for preventing leaks in fuel, oil, and coolant pathways within commercial vehicle engines.

Key Specifications

  • Application: Cummins B Series, ISB/ISD Series, ISBE Series, QSB Series, L Series engines
  • Function: Seals openings in engine fluid systems
  • Compatibility: B5.9, B6.7, ISB4.5, ISD4.5, ISBE, QSB4.5, L9 series
  • Construction: Metal body with threaded design
  • Features: Threaded fit, tapered seal, O-ring groove
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 3999673
Type OEM
Part# variations 3999673 CUM,
3999673CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty