Rocker Lever Housing 3955121

positive OEM
Cummins
Part# 3955121
note
Engine rocker lever housing supporting valve train actuation system
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Description

The Cummins Rocker Lever Housing (3955121) is a structural component that supports the rocker arms within an engine’s valve train system. It provides a stable mounting platform to facilitate the transfer of camshaft motion to the valves, ensuring proper valve actuation and timing essential for engine operation.

Key Specifications

  • Application: Tier 3 6.7L ISB/QSB engines
  • Function: Supports rocker arms for valve actuation
  • Compatibility: ISB CM2150, ISB CM850, QSB5.9 CM850, QSB6.7 CM850
  • Construction: Cast metal housing
  • Features: Mounting platform for rocker lever pivot, precise alignment, maintenance access
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 3955121
Type OEM
Part# variations 3955121 CUM,
3955121CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty