GT2056V Turbo 764381-5004S 764381-0002 764381-0004 764809-0001 764809-0002 764809-0003 764809-0004 777318-0001 777318-0002 781743-0001 781743-0003 781745-0001 777318-5002S 781743-5001S Turbocharger for Mercedes Benz C-Class C320 E-Class E320 OM642 Engine

GT2056V Turbocharger for Mercedes-Benz C-Class C320 / E-Class E320 (OM642 Engine)

Part Number:764381-5004S 764381-0002 764381-0004 764809-0001 764809-0002 764809-0003 764809-0004 777318-0001 777318-0002 781743-0001 781743-0003 781745-0001 777318-5002S 781743-5001S 781743-5003S

High-Performance VNT Turbo | OEM Fitment | Enhanced Boost Efficiency

Upgrade your Mercedes-Benz OM642 diesel engine with the GT2056V Variable Geometry Turbocharger, engineered to restore its factory-level power, torque, and fuel efficiency. Designed to match OEM standards, this turbo delivers smooth boost response, improved acceleration, and long-term reliability for luxury sedans and performance diesel applications.Perfect for daily driving, long-distance travel, and professional automotive repairs.

Key Product Features

Perfect Fit for OM642 Diesel Engines

Designed specifically for Mercedes-Benz C320 / E320, ensuring seamless installation and compatibility.

Variable Geometry Technology (VNT / VGT)

Delivers faster spool-up, better low-end torque, and optimized boost across the RPM range.

Fuel Efficiency & Emission Improvement

A healthy turbo significantly reduces fuel consumption and helps meet emissions standards.

Precision Machined & Balanced

Every turbo is electronically calibrated and VSR high-speed balanced for OEM-grade smoothness.

High-Temperature Alloy Materials

Built to withstand prolonged performance in diesel environments.

Technical Specifications

Who Is This Turbocharger For?

Mercedes Owners

Restore lost power, eliminate smoke, and improve acceleration.

Auto Repair Shops

Reliable OEM-spec solution for repairing OM642 turbo failures.

Parts Distributors / Wholesalers

Factory-direct supply, stable availability, and bulk discount support.

Performance Diesel Enthusiasts

Enjoy better throttle response and a stronger torque curve.

What Problems This Turbo Solves

A failing OM642 turbo commonly causes:

• Loss of boost / power
• Excessive black smoke
• Slow acceleration
• Vibration or whining noise
• Turbo actuator failure
• High fuel consumption
• Overheating due to stuck VNT vanes

Replacing with a new GT2056V turbo solves all these issues and restores factory performance instantly.

Usage Scenarios

Luxury Daily Driving

Smooth acceleration and quiet turbo operation.

Long-Distance Travel

Improved fuel efficiency and engine stability.

Highway Performance

Strong torque and responsive boost.

Professional Automotive Service

Perfect drop-in part for workshops handling Mercedes diesel repairs.

Installation Guide (Step-by-Step Tutorial)

Before Installation

1. Replace engine oil & oil filter.

2. Clean or replace the air filter.

3. Ensure the intercooler and hoses have zero leaks.

4. Check oil feed and return lines for blockage.

5. Scan ECU for error codes and clear them.

Installation Steps

1. Prime the turbo with fresh engine oil.

2. Mount using new gaskets and torque bolts to spec.

3. Connect VNT actuator plug and vacuum/pressure lines.

4. Reinstall oil feed & return lines.

5. Start the engine and idle for 3–5 minutes.

6. Check for leaks and verify actuator operation.

After Installation

• Avoid aggressive acceleration for 100–200 km (break-in period).
• Reinspect clamps and connections after initial heat cycle.

FAQ – Frequently Asked Questions

Q1: Is this turbocharger new or refurbished?

A: 100% brand new, not rebuilt or remanufactured.

Q2: Does the actuator come pre-calibrated?

A: Yes. Every unit is professionally calibrated for VNT accuracy.

Q3: Will this turbo fit all OM642 variations?

A: Yes—if your OEM number matches the list, the fitment is correct.

Q4: Can you support wholesale orders?

A: Absolutely. We supply distributors and workshops worldwide.

Q5: Does this turbo reduce fuel consumption?

A: Yes, a healthy VNT turbo improves both economy and emissions.

About Us — Fengcheng Zhongke Turbocharger Co., Ltd.

Established in 2001, we are a factory specializing in:

• Complete Turbochargers
• CHRA Core Assemblies
• Actuators & Repair Kits
• Compressor Wheels & Turbine Shafts
• Performance and OEM-replacement turbo solutions

Our products cover major brands: Garrett, Bosch Mahle, BorgWarner, Holset, Mitsubishi, IHI, Toyota, Cummins, CAT, Volvo, Mercedes-Benz, and more.

Why Customers Worldwide Trust Us

• 25 years industry manufacturing experience
• OEM-grade equipment and testing systems
• Full turbomachinery modeling & structural analysis
• Advanced VSR balancing for every turbo
• Exported to 60+ countries
• Strong engineering and technical support team

Our Technical Team

Our R&D and production team includes:

• Senior Turbo Engineers (15–25 years experience)
• CNC Machining Specialists
• Aerodynamics Analysts
• ISO-certified Quality Control Engineers
• Professional Assembly Technicians

Every turbo is produced under strict quality control and verified before shipment.

Need Bulk Pricing or Catalog Support?

We offer OEM customization, distributor pricing, technical support, and fast delivery.