Injector Seal 3977393

positive OEM
Cummins
Part# 3977393
note
Fuel injector O-ring seal for maintaining injector system integrity.
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Description

The Genuine Cummins Fuel Injector O-Ring Seal (3977393) is a critical sealing component designed to maintain injector system integrity by preventing fluid leaks. It functions as a durable sealing interface within fuel injection assemblies, ensuring proper containment of fuel under operating conditions in heavy-duty engines.

Key Specifications

  • Application: EPA13 6.7L ISB/QSB engines
  • Function: Seals fuel injector to prevent leaks
  • Compatibility: ISB, QSB engine series
  • Construction: Elastomer O-ring material
  • Features: Fuel-resistant, high-temperature tolerance
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 3977393
Type OEM
Part# variations 3977393 CUM,
3977393CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty