Cylinder Head 3966458

positive OEM
Part# 3966458
Engine cylinder head for combustion sealing and valve support in commercial trucks.
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Description

The Cummins Cylinder Head (3966458) is a critical engine component that seals the combustion chamber and supports valve operation. It facilitates air and exhaust gas flow while contributing to engine cooling and structural integrity. This cylinder head is engineered for use in commercial truck engines to maintain efficient combustion and durability under heavy-duty conditions.

Key Specifications

  • Application: 4B3.9, Non Certified 3.9 liter B engines
  • Function: Seals combustion chamber, supports valves, enables gas flow
  • Compatibility: Cummins 4B3.9 engine series, other Cummins engines
  • Construction: Cast iron
  • Features: Optimized valve train geometry, enhanced cooling passages, precision machining
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 3966458
Type OEM
Part# variations 3966458 CUM,
3966458CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty