Air Silencer 3971077

positive OEM
Cummins
Part# 3971077
note
Engine air intake silencer reducing noise and stabilizing airflow.
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Description

The Cummins Air Silencer (3971077) is an engine air intake component that reduces noise and stabilizes airflow. It filters and smooths incoming air to support efficient combustion and protect engine components. This silencer is essential for maintaining quieter engine operation and consistent air pressure in commercial vehicle applications.

Key Specifications

  • Application: Tier 3 5.9L ISB/QSB engines
  • Function: Noise reduction and airflow stabilization
  • Compatibility: QSB5.9 CM850, QSC8.3 CM850
  • Construction: Metal housing with multi-stage filtration elements
  • Features: Multi-stage filtration, compact design, noise dampening
  • 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). 

 

For more shipping information, please see our Shipping & Delivery page.

More Information

Current Part# 3971077
Type OEM
Part# variations 3971077 CUM,
3971077CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty