Muffler M120365

Part# M120365
Unpainted oval muffler for noise reduction and exhaust flow control.
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Description

The Donaldson Oval Style 2 Exhaust Muffler (M120365) is a robust, unpainted muffler designed to reduce exhaust noise and manage back pressure in heavy-duty vehicle exhaust systems. It provides a durable, unclad solution suitable for service fleets and aftermarket installations where corrosion protection is applied separately or cosmetic finish is not required.

Key Specifications

  • Application: Heavy-duty truck exhaust systems
  • Function: Exhaust noise attenuation and back pressure regulation
  • Compatibility: Mid- to long-wheelbase commercial vehicles
  • Construction: Steel body, unpainted
  • Features: 5 in inlet/outlet diameter, 10–15 in body diameter, 15–20 dB attenuation, 0.98–2.99 inHg back pressure, Style 2 oval design
  • Quality: OEM Donaldson 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# M120365
Part# variations DN M120365,
DNM120365
Manufacturer Donaldson
Warranty Standard Manufactures