Muffler M090547

positive OEM
Donaldson
Part# M090547
note
Oval exhaust muffler providing noise reduction and flow control for heavy-duty trucks.
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Extended Lead Time
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Description

The Donaldson Oval Muffler Style 4 (M090547) is an exhaust silencing component designed to reduce noise and control back pressure in heavy-duty exhaust systems. It features an oval body shape optimized for balanced flow capacity and compact installation. This muffler supports effective exhaust gas flow management in commercial vehicle applications.

Key Specifications

  • Application: Heavy-duty truck exhaust systems
  • Function: Exhaust noise attenuation and back pressure regulation
  • Compatibility: Mixed-service fleets, OEM-equivalent installations
  • Construction: Steel body with oval design
  • Features: Style 4, inlet diameter 3.51 in, outlet diameter 4.02 in, max body diameter 11.50 in, attenuation 13-18 dB, back pressure 0.98-2.99 inHg, inlet clock 0.375, outlet clock 0.2917
  • 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# M090547
Type OEM
Part# variations DN M090547,
DNM090547
Manufacturer Donaldson
Warranty Standard Manufacturer Warranty