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M120749
Donaldson

Donaldson M120749 MUFFLER, ROUND STYLE 3

$950.72
$1,069.55 Sale $950.72

Description

Experience consistent performance with the Donaldson M120749 muffler—a reliable pick for those who demand true quality. Built to meet original equipment standards, this high-performance muffler offers enhanced exhaust flow and superior noise reduction. Whether you’re purchasing a Donaldson M120749 muffler for your pre-2007 medium- or heavy-duty truck, you can trust that every detail is designed for top performance and durability.

Technical Details

• Overall Length: 31.69 inches
• Weight: 29.49 lb
• Inlet Diameter: 5.03 inches
• Body Diameter: 11.84 inches
• Optimized flow capacities in low, mid, and high ranges for improved performance
• Efficient back pressure regulation and noise attenuation features

Why Choose the M120749 Muffler?

This round-style muffler is engineered to offer an excellent balance of strength and efficiency. Enjoy improved exhaust flow, effective noise reduction, and adherence to original equipment standards. With its rugged construction and precise dimensions, it’s perfect for upgrading or restoring your truck with genuine Donaldson parts. Benefit from over 35 years of aftermarket innovation, trust, and expertise.

Ready to upgrade your ride? Order now and experience the quality of authentic Donaldson parts. For more genuine parts, visit our Donaldson page.

Attributes

Manufacturer Brand Name Donaldson
Style Style 3/Style 4

Other Information

UPC Code 742330114063

Packaged Dimensions

Packaged Length 32.50 in
Packaged Width 15.25 in
Packaged Height 12.0 in
Packaged Weight 29.49 lb (13.388 kg)
Packaged Volume 3.44 ft3 (0.096 m3)

Experience consistent performance with the Donaldson M120749 muffler—a reliable pick for those who demand true quality. Built to meet original equipment standards, this high-performance muffler offers enhanced exhaust flow and superior noise reduction. Whether you’re purchasing a Donaldson M120749 muffler for your pre-2007 medium- or heavy-duty truck, you can trust that every detail is designed for top performance and durability.

Technical Details

• Overall Length: 31.69 inches
• Weight: 29.49 lb
• Inlet Diameter: 5.03 inches
• Body Diameter: 11.84 inches
• Optimized flow capacities in low, mid, and high ranges for improved performance
• Efficient back pressure regulation and noise attenuation features

Why Choose the M120749 Muffler?

This round-style muffler is engineered to offer an excellent balance of strength and efficiency. Enjoy improved exhaust flow, effective noise reduction, and adherence to original equipment standards. With its rugged construction and precise dimensions, it’s perfect for upgrading or restoring your truck with genuine Donaldson parts. Benefit from over 35 years of aftermarket innovation, trust, and expertise.

Ready to upgrade your ride? Order now and experience the quality of authentic Donaldson parts. For more genuine parts, visit our Donaldson page.

(OEM) Cross Reference

Manufacturer Name Manufacturer Part # Notes
NELSON 201577N
PRINOTH 114666460
SEAGRAVE P3423079
ZOOMLION 1000200020

Equipment

Equipment Year Equipment Type Equipment Options Engine Engine Option

Frequently Asked Questions

Feel Free To Ask Anything!

What payment methods do you accept for online purchases?

We accept all major credit cards, PayPal, Shop Pay, and Apple Pay for your convenience. Once your order ships, you'll receive a tracking number via email.

How long does shipping usually take?

In stock items typically ship in 24-48 hours. Out of stock items can take longer.

Can I return an item if I'm not satisfied?

Yes, we have a 30-day return period. You can view our Return & Refund Policy page for more details - Return & Refund Policy.

Do you offer gift cards?

Yes! They are the perfect gift for those times when you don't know exactly what to get or need something at the last minute. Great for any time of the year as well as those special occasions. Our Gift Cards come in $25, $50, $100, $250 and $500 denominations. And they never expire!

Visit our Gift Card page for more details - Gift Cards.

Can I track my order after it's been placed?

Yes. Once your order has shipped, you will be emailed the tracking information. Additionally, we will email you a delivery confirmation email once your order shows that it has been delivered.

What should I do if I receive a damaged item?

If your shipment is damaged, please reach out to our Customer Support team at 888-292-9012 or email us at info@everythingtruckparts.com. You may also contact us here - Contact Us.