OEM Garrett GT45 Turbo | Cummins M11 Replacement

Genuine Garrett GT45 Turbocharger for Cummins M11 Engines

Upgrade your Cummins M11 with the reliability and engineering of a Genuine Garrett GT45 turbocharger. While the M11 was originally equipped with a Holset HX55, Garrett developed this turbo as a direct-fit replacement, offering OEM-quality performance, durability, and installation without the need for modifications at a fraction of the price.

Skip the reman options and get yourself a brand NEW turbo while also getting to retain you core!

Built using genuine Garrett components and manufactured to exacting standards, this GT45 provides the airflow and efficiency required for demanding commercial truck applications while maintaining factory fitment to the original exhaust manifold, oil lines, and charge air plumbing.

Whether you're replacing a worn-out turbo or looking for a premium alternative to the factory Holset unit, this Garrett GT45 delivers dependable performance backed by one of the most trusted names in turbocharging.

Features

• Genuine Garrett GT45 turbocharger
• Direct replacement for Cummins M11 applications
• Engineered as a replacement for factory Holset HX55-equipped engines
• OEM-style fitment for straightforward installation
• Excellent durability for heavy-duty commercial service
• Manufactured to Garrett's strict quality standards
• Ideal for stock and fleet replacement applications

Fits

• Cummins M11 diesel engines

Cross Reference

• 1080237R
• 178923
• 2834419
• 3536149
• 3536995
• 3536996
• 3590044
• 3590045
• 3800471
• 3803938
• 3804503
• 4033813
• 4039173
• 4046031
• 1700320050
• 1700320738
• 170-032-0050
• 286TC21006000
• 3800471H
• 3800471HX
• 3800471NX
• 3800471RX
• 3803938NX
• 3803938RX
• 3804503NX
• 3804503RX
• 4033813H

Why Buy from Momentum Worx?

At Momentum Worx, we do more than sell parts—we build relationships with the people who depend on their trucks every day. Whether you're an owner-operator trying to make the next load or a fleet manager keeping trucks on the road, we understand that downtime costs money.

Diesel Experts, Not Order Takers

Our team works with diesel turbochargers every day. If you have questions about fitment, performance, or troubleshooting, you're talking to people who actually know the products—not a generic call center reading from a script.

Fast Shipping

Most in-stock orders placed before 2:00 PM EST ship the same business day, helping get your truck back on the road as quickly as possible

Trusted by Thousands

Since 2015, Momentum Worx has supplied diesel parts to owner-operators, repair shops, fleets, and performance enthusiasts throughout North America and abroad. We've built our reputation by providing honest advice, quality products, and standing behind what we sell.

When you buy from Momentum Worx, you're getting more than a turbocharger—you're getting knowledgeable support, fast service, and a company that's as passionate about diesel performance as you are.