Exhaust Manifold 3965401

positive OEM
Cummins
Part# 3965401
note
OLD# 3958107
Engine exhaust manifold directing gases for efficient flow and thermal management.
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Extended Lead Time
non-returnable Non-returnable info
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Description

The Cummins Exhaust Manifold (3965401) is a critical engine component that channels exhaust gases from multiple cylinders into the exhaust system. It manages exhaust flow to maintain engine efficiency and thermal regulation under heavy-duty operating conditions.

Key Specifications

  • Application: EPA02 5.9L B engines
  • Function: Directs exhaust gases from cylinders to exhaust system
  • Compatibility: Cummins ISB 5.9L, 6.7L engine series
  • Construction: Cast iron
  • Features: Heat-resistant coating, reduced backpressure design, integrated O2 sensor ports
  • 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# 3965401
Old Part No.: 3958107
Type OEM
Part# variations 3965401 CUM,
3965401CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty