Cylinder Head 3966448

positive OEM
Cummins
Part# 3966448
note
Engine cylinder head managing combustion and gas flow in Cummins 4BT engines.
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Extended Lead Time
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Description

The Cummins 4BT Series Cylinder Head (3966448) is a critical engine component that seals the cylinder top and manages air-fuel intake and exhaust gas flow. It houses valves and passages essential for combustion and thermal regulation, supporting engine power generation and operational efficiency.

Key Specifications

  • Application: Cummins 4B3.9, B4.5, QSB3.9 30 CM550, QSB3.9 30
  • Function: Seals cylinder head, controls intake/exhaust flow
  • Compatibility: Cummins 4BT engine series
  • Construction: Cast iron alloy
  • Features: Valve housing, coolant/oil passages, combustion chamber design
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 3966448
Type OEM
Part# variations 3966448 CUM,
3966448CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty