Muffler 3999660

positive OEM
Cummins
Part# 3999660
note
Exhaust muffler reducing engine noise and managing gas flow in commercial trucks.
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Extended Lead Time
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Description

The Cummins Genuine Muffler (3999660) is an exhaust system component designed to reduce engine noise and regulate exhaust gas flow. It supports quieter operation and efficient exhaust management in commercial vehicle applications.

Key Specifications

  • Application: Commercial truck engines
  • Function: Noise reduction and exhaust flow control
  • Compatibility: Cummins ISB CM850, ISC CM850, ISL9 CM2150 SN
  • Construction: Stainless steel
  • Features: Multi-chamber design, corrosion resistance, optimized exhaust flow
  • 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# 3999660
Type OEM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty