Belt Tensioner 3967188

positive OEM
Cummins
Part# 3967188
note
OLD# 3967188
Maintains proper tension on engine serpentine belt for accessory drive systems.
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Description

The Cummins Belt Tensioner (3967188) is a mechanical component that maintains proper tension on the serpentine belt in engine accessory drive systems. It ensures consistent power transmission to engine-driven accessories by automatically adjusting belt tension during operation.

Key Specifications

  • Application: 4B3.9, 6B5.9, 6C8.3, B4.5 engines
  • Function: Maintains serpentine belt tension
  • Compatibility: Cummins B engine series
  • Construction: Steel housing, spring-loaded arm, machined pulley
  • Features: Automatic tension adjustment, spring mechanism, corrosion-resistant components
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 3967188
Old Part No.: 3967188
Type OEM
Part# variations 3967188 CUM,
3967188CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty