Factory direct 3590044 Holset HX55 turbocharger fits Cummins M11 and ISM engines. High-durability wastegate design for Kenworth T800 and Volvo VNL. Resists thrust bearing wear. Request quote today!
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The Holset HX55 turbocharger (OEM: 3590044) is a heavy-duty unit engineered for M11 and ISM11 engines.
It resolves thrust bearing wear issues and fits equipment including Kenworth T800, Freightliner Century, and Volvo VNL trucks.
In stock for global wholesale.
The Ruich Value Cummins HX55 turbocharger is the definitive aftermarket solution for heavy-duty applications, engineered as a direct replacement for Cummins ISM, M11, and QSM11 engines. This turbo embodies the Cummins brand attributes of performance and durability, delivering enhanced power, improved fuel efficiency, and consistent operation under extreme conditions. Our HX55 turbochargers are built with precision engineering to meet or exceed original specifications, ensuring seamless integration and long-term service life.
All units are rigorously tested to guarantee flawless performance out of the box. Whether you are running a fleet of heavy-duty trucks or managing industrial power systems, this turbo provides the reliability and power you expect from a product carrying the Cummins heritage. OEM part number verification is available to ensure perfect compatibility.
| Specification | Value |
|---|---|
| Product Type | Turbocharger |
| Turbo Type | Holset HX55 (Wastegate Regulated) |
| Compressor Wheel Material | Forged Milled Wheel (FMW) / Aluminum Alloy |
| Turbine Wheel Material | K18 High-Nickel Alloy |
| Bearing Type | Heavy-Duty Journal Bearing System |
| Cooling Method | Oil Cooled & Liquid Cooled Optional |
| Balance Standard | VSR Dynamic Balanced (Up to 100,000 RPM) |
| Max Boost Pressure | 3.0 bar |
| Actuator Type | Pneumatic Wastegate Actuator |
| OEM Reference | 3590044 |
| Cross Reference | 4031402, 2834419, 3804502, 3536995 |
| Typical Applications | Kenworth T800, Freightliner Century, Volvo VNL, Peterbilt 386 |
| Application Category | Class 8 Heavy Duty Haulage & Logistics |
| Engine Model | Application Field | Typical Equipment Brands & Models |
|---|---|---|
| ISM / QSM11 | Heavy-Duty & Long-Haul Trucking | Kenworth T800, Peterbilt 389, Freightliner Cascadia, International 9400 |
| M11 | Industrial & Construction | Komatsu Excavators, Volvo Construction Equipment, various power generation sets |
| N14 | Marine Propulsion & Auxiliary | Commercial fishing vessels, tugboats, and marine gensets |
Important: All turbocharger orders require OEM number verification to ensure perfect fitment. Please provide your current part number when requesting quotes.
Complete Service Solutions: Beyond replacement turbochargers, we supply comprehensive repair kits and individual components for your Cummins HX55 turbo, including:
Contact our technical team for component-level solutions and repair guidance.
Ruich Value supplies a dedicated range of Cummins turbochargers, including new, remanufactured, and equivalent replacement units for various applications. Our coverage includes popular engine families such as ISM, M11, N14, ISX, 6BT, and KTA series. For a full catalog of our Cummins HX55 turbo and other models, please contact us.
| Engine Series | Common Turbo Models | Typical Applications |
|---|---|---|
| B Series (4BT, 6BT, ISB, QSB) | H1C, WH1C, HX35W, HY35W, HE221W, HE351CW | Light/Medium-Duty Trucks, Vans, Industrial, Marine, Agriculture |
| C Series (6CT, ISC, ISL, QSL) | H1E, HX40W, HE431VE | Medium/Heavy-Duty Trucks, Buses, Construction, Industrial |
| L, M, N Series (L10, M11, N14, NT855) | HT3B, HT60, HX50, ST50, T46, BHT3B, S300 | Heavy-Duty On-Highway Trucks, Industrial, Marine |
| ISX / QSX Series | HX55, HE600WG/HX60W, HE551V, HE451VE, HE400VG, HX82 | Heavy-Duty On-Highway Trucks (Class 8) |
| K, QSK, QST Series (K19, K38, QSK, QST) | HC5A, HX80, HX82, HE800FG | Mining, Power Generation, Marine, Rail (High-Horsepower) |
| ISF Series (ISF2.8, ISF3.8) | HE211W, HE221W | Light Trucks, Pickups, Vans, Construction Machinery |
A1: Symptom: High-pitched whistling and oil residue in the charge air cooler. Diagnosis: In 11L engines like the ISM11 used for long-haul trucking, the thrust bearing is the weak point. Extended idling or dirty oil causes the bearing to thin, leading to axial shaft play and seal leakage. Solution: Our HX55 units are built with reinforced 360-degree thrust bearings and upgraded staggered-gap piston rings to prevent oil migration even under high-vacuum idling conditions.
A2: Technical Detail: The oil drain line must be free of kinks and carbon buildup, and the oil inlet must be primed with at least 100ml of fresh oil. Pro-Tip: Always check the intercooler for metal debris if the previous turbo failed catastrophically; failing to clean the intake system will cause the new 3590044 unit to fail within minutes of startup.
A3: Diagnosis: The QSM11 platform operates under high EGTs which cause standard turbine wheels to expand and “creep,” striking the housing. Our Solution: We use K18 high-nickel alloy for the turbine wheel, capable of withstanding temperatures up to 900°C. This ensures that the HX55 mantiene rotor balance and efficiency during long mountain climbs with heavy Class 8 loads.
For pricing, availability, and technical questions about the Cummins HX55 turbocharger, please contact our team.
For Any Inquiries, please feel free to contact us, Our sales teams are always glad to support your business