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(888) 312-8812 Login SignupDONALDSON M100465 Exhaust Muffler - Steel, 51.00 in. Overall length, Round Style
MSRP: $234.59
$22699
Save $7.60
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Get it by Thursday, Feb 5
DONALDSON M100465 Part Description
Manufacturer
Features & Benefits
- 51-inch overall length, round design for effective noise reduction
- Minimizes backpressure to support optimal engine performance
- Designed for heavy-duty applications requiring durability
- Helps maintain compliance with noise and emissions regulations
Donaldson Exhaust Muffler
The Donaldson Exhaust Muffler is made for those who crave long-lasting sturdiness and exceptional performance from their exhaust system. With an overall length of 51 inches and a round design, this muffler effectively reduces noise while maintaining optimal exhaust flow. Created to handle the demands of heavy-duty applications, it helps ensure smoother engine operation and longevity by minimizing backpressure. Whether for commercial trucking or industrial machinery, a high-quality exhaust system can help sustain efficiency and compliance. Donaldson’s reputation for engineering excellence makes the Donaldson M100465 a reliable choice for those who prioritize both function and durability.
DONALDSON M100465 Specifications
Product Attributes
| Body Length | 44.44 in |
| Overall Length | 51.00 in |
| Attenuation Hr | 15 dBA |
| Attenuation Lr | 10 dBA |
| Back Pressure High-range | Hg0.94 inch Hg) |
| Back Pressure Low-range | Hg0.31 inch Hg) |
| Back Pressure Mid-range | Hg0.62 inch Hg) |
| Body Diameter Maximum | 10.06 in |
| Inlet Diameter | 5.03 in |
| Outlet Diameter | 5.03 in |
| Rated Flow Hr | 79 m³/min (2790 cfm) |
| Rated Flow Lr | 45.6 m³/min (1610 cfm) |
| Rated Flow Mr | 64.4 m³/min (2274 cfm) |
| Style | Style 1 |
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DONALDSON M100465 Manufacturer Information
For more than 100 years, Donaldson® has provided effective solutions to complex filtration challenges in various industries. Fleet managers worldwide have relied on Donaldson’s wide range of filtration products to ensure their trucks operate at peak efficiency and reduce expenses and maintenance downtime in the long run. These products include air intake filters and cleaners, cabin air filters, coolant filters, fuel filters and water separators, transmission filters, exhaust filtration products, and so much more. Each Donaldson filtration product is engineered for durability and performance that matches that of the original. Whether they are long-haul trucks, school buses, dump trucks, or other commercial vehicles, Donaldson filtration products will help keep them running smoothly.
DONALDSON M100465 Questions & Answers
Q:
by Richard on January 27, 2026
Is this a slip on or do I have to weld it? Thnx
A:
by Ed Staff on January 28, 2026
The ID end of the pip will go over the OD end of the muffler and you will need to use a band clamp
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