O Ring Plug 3976056

positive OEM
Cummins
Part# 3976056
note
Sealing plug for engine fluid systems to prevent leaks and maintain pressure.
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Extended Lead Time
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Description

The Cummins Engine Crankcase Breather O-Ring Plug (3976056) is a sealing component designed to maintain fluid system integrity by preventing leaks and preserving system pressure. It is used in various engine and fluid system applications to ensure reliable containment and operational efficiency.

Key Specifications

  • Application: B4.5 RGT, ISB/ISD6.7 CM2150 SN, ISBE4 CM850 engines
  • Function: Seals openings to prevent fluid and air leaks
  • Compatibility: Cummins heavy-duty engine series
  • Construction: Elastomeric sealing material
  • Features: Chemical and temperature resistant, precise groove fit
  • 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# 3976056
Type OEM
Part# variations 3976056 CUM,
3976056CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty