HE431V Turbo for Cummins Freightliner Bus & Truck With ISM02 / ISL / ISM / ISME / QSM11 Engine
Part Numbers:5350060 4045934RX 4089600 3781163 4044006 4045934 4955462 4089600NX 4044006NX 408960000 4955462RX 4034040 4955462 4044006 4955462RX 4955462HX
Overview
The HE431V turbocharger is a high-performance replacement specifically designed for Cummins ISM02, ISL, ISM, ISME, and QSM11 engines used in Freightliner trucks, buses, and various commercial transport vehicles. Built to withstand long hours of heavy-duty operation, this turbocharger restores engine power, improves fuel efficiency, and ensures stable boost pressure across challenging driving conditions.
Whether you manage a commercial fleet, operate a logistics company, or repair heavy-duty engines, the HE431V turbo provides OEM-level reliability and performance. Featuring a robust VGT (Variable Geometry Technology) system, precision-balanced rotating assembly, and high-temperature alloy materials, this replacement turbo offers exceptional durability and long service life.
Key Features
-
OEM-Standard Performance
Compatible with Cummins ISM02, ISL, ISM, ISME, and QSM11 engines used in Freightliner trucks and buses. -
Advanced VGT Technology
Allows precise control of exhaust flow, improving torque and fuel efficiency under varying loads. -
High-Temperature Alloy Turbine
Provides exceptional durability under high-speed, high-exhaust-temperature working conditions. -
Precision Balanced CHRA
Reduces vibration, improves reliability, and extends turbocharger lifespan. -
Improved Fuel Efficiency
Optimized boost airflow reduces fuel consumption during long-haul and city transport operations. -
Direct Bolt-On Replacement
Designed for easy installation with exact OEM fitment and connector compatibility.
Applications
- Freightliner commercial trucks
- Freightliner buses and transport fleets
- Cummins ISM02 / ISL / ISM / ISME / QSM11 engines
- Long-distance logistics fleets
- Mining, construction, and industrial equipment using QSM11 platforms
- Fleet maintenance & engine performance restoration
Benefits
- Restores lost engine power and torque
- Enhances acceleration and throttle response
- Reduces black smoke and improves combustion efficiency
- Extends engine lifespan by improving airflow and cooling
- Minimizes downtime for fleet operations
- Ensures stable boost pressure even under full load
- Supports lower operational fuel cost for commercial fleets
Technical Specifications
| Turbo | Specification |
|---|---|
| Turbo Model | HE431V Turbocharger |
| Part Numbers | 5350060 4045934RX 4089600 3781163 4044006 4045934 4955462 4089600NX 4044006NX 408960000 4955462RX 4034040 4955462 4044006 4955462RX 4955462HX |
| Compatible Engines | Cummins ISM02 / ISL / ISM / ISME / QSM11 |
| Vehicle Applications | Freightliner buses & trucks, industrial vehicles |
| Technology | Variable Geometry Turbo (VGT) |
| Cooling Type | Oil & water-cooled |
| Material | Heat-resistant turbine alloy & precision bearings |
| Max Boost | Up to 2.2 bar (depending on ECU calibration) |
| Warranty | 6 months |
Installation & Maintenance Guide
Installation Instructions
- Allow engine to cool completely before installation.
- Disconnect batteries to protect electrical systems.
- Drain engine oil and coolant as needed.
- Remove intake, exhaust manifold connections, and VGT actuator harness.
- Carefully uninstall old turbocharger.
- Prime the new turbo with clean engine oil before installation.
- Install using OEM torque specifications.
- Reconnect actuator plugs, oil lines, and compressor pipes.
- Start the engine and idle for 3–5 minutes to ensure proper oil flow.
- Confirm no leaks, noises, or error codes.
Maintenance Tips
- Replace engine oil regularly to avoid CHRA wear
- Use high-quality filters to prevent debris damage
- Warm engine before heavy loads and cool before shutdown
- Check actuator connector and wiring harness for corrosion
- Inspect boost pipes and intercooler for air leakage
Usage Scenarios
- Long-haul freight transport
- Passenger transportation (bus fleets)
- Heavy construction logistics
- Industrial machinery powered by QSM11 engines
- Fleet performance upgrade or restoration
- Replacing worn VGT turbos suffering from actuator failure, slow boost, or excessive smoke
FAQ
Q1: Is this turbo compatible with all Cummins QSM11 engines?
Yes, it is compatible with ISM02, ISL, ISM, ISME, and QSM11 series engines.
Q2: Does this turbo include the VGT actuator?
It depends on the selected listing. We offer versions with or without actuators.
Q3: How long does installation take?
Professional installation typically requires 1.5–3 hours.
Q4: What signs indicate I need a new turbo?
Loss of power, excessive smoke, slow spool, oil leakage, or actuator errors.
Q5: Do you offer wholesale or bulk supply for fleet maintenance?
Yes, contact us for distributor pricing and bulk order support.
About Us
Fengcheng Zhongke Turbocharger Co., Ltd., founded in 2001, is a professional manufacturer specializing in turbochargers, CHRAs, repair kits, and turbo components for heavy-duty, commercial, industrial, and automotive engines.
Our strengths include:
- OEM-standard manufacturing
- Precision CNC machining and automatic dynamic balancing
- Complete product lines for Cummins, Holset, Garrett, BorgWarner, CAT, Komatsu, Volvo, Perkins, and more
- 25+ years of industry experience
- Global distribution to North America, Europe, Middle East, and South America
- Professional technical support and fast delivery services
Our team of engineers and quality experts ensures each turbo meets strict performance standards, giving customers confidence in reliability and long-term durability.
HE431V Turbocharger for Cummins ISM & QSM11 | Fits Freightliner Truck & Bus | OEM Part 5350060 Buy HE431V turbocharger for Cummins ISL, ISME, ISM02, QSM11 engines. Compatible with Freightliner trucks & buses. OEM parts 5350060, 4045934RX, 4955462. Improve power, boost efficiency, and reliability.
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