O Ring Seal 3421072

positive OEM
Cummins
Part# 3421072
note
Elastomer O-ring seal for fluid containment in commercial truck engines.
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Extended Lead Time
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Description

The Cummins O-Ring Seal (3421072) is a circular elastomer gasket designed to maintain fluid system integrity by preventing leaks in commercial vehicle engines. It functions by creating a compressed seal between mating surfaces, ensuring containment of fluids and gases within engine and auxiliary systems.

Key Specifications

  • Application: QSV81G, QSV91G, QSV91-G4 CM558/CM700 V102, QSW/QSV82, QSW73 engines
  • Function: Seals fluid and gas connections to prevent leakage
  • Compatibility: Heavy-duty commercial truck engines
  • Construction: Elastomer material resistant to oils, fuels, chemicals
  • Features: High pressure and temperature resistance, precise dimensional tolerances
  • 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). 

 

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More Information

Current Part# 3421072
Type OEM
Part# variations 3421072 CUM,
3421072CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty