Cylinder Head 3967434

positive OEM
Cummins
Part# 3967434
note
OLD# 3930940
Engine cylinder head managing combustion chamber sealing and gas flow control.
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Extended Lead Time
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Description

The Cummins Cylinder Head (3967434) is a critical engine component that seals the combustion chamber and manages airflow for intake and exhaust gases. It supports combustion efficiency and engine performance by housing valves and coolant passages essential for thermal regulation and gas exchange.

Key Specifications

  • Application: Cummins 4B3.9 engines
  • Function: Seals cylinders; controls intake and exhaust gas flow
  • Compatibility: Cummins 4B3.9 series, other compatible Cummins engines
  • Construction: Cast iron or alloy steel
  • Features: Integrated valve seats, coolant passages, combustion chamber sealing
  • 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# 3967434
Old Part No.: 3930940
Type OEM
Part# variations 3967434 CUM,
3967434CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty