GTB1244VZ Turbocharger 794097-5003S for Hyundai IX35 / I40 with D4FD LM CRDI Engine

Part Number:794097-5003S 7940970003 794097-3 794097-0003 28201-2A850 282012A850

High-Performance Turbocharger Replacement for Hyundai Diesel Engines

Upgrade your Hyundai IX35 or I40 with the GTB1244VZ Turbocharger (794097-5003S)—a precise, OEM-standard replacement engineered for the D4FD LM CRDI diesel engine.
Designed for durability, quick spool, improved air delivery, and optimized combustion efficiency, this turbocharger restores lost power, reduces fuel consumption, and keeps your engine running at peak performance.

Key Features & Benefits

OEM-Equivalent Specification

• 100% fitment for Hyundai D4FD LM CRDI engines
• Suitable for IX35 & I40
• Same mounting points, oil lines, and actuator positions as the original
• Plug-and-play design—no modification required

High-Efficiency Variable Geometry Turbo (VGT)

• Faster boost response under low RPM
• Strong torque increase
• Enhanced fuel efficiency
• Cleaner combustion and reduced smoke

Premium Construction

• Heat-resistant turbine wheel
• Reinforced compressor housing
• Precision-balanced CHRA for vibration-free performance
• Built for heavy-duty, long-term operation

Who Is This Turbo For?

This product is ideal for:

• Hyundai owners with turbo failure (smoke, power loss, whining noise)
• Repair shops and diesel technicians
• Distributors looking for reliable aftermarket replacement
• Fleet operators wanting fuel-efficient upgrades

What Problems Does It Solve?

• Loss of engine power
• Excessive smoke or high fuel consumption
• Damaged VGT actuator
• Boost pressure fluctuation
• Slow acceleration

Technical Specifications

What’s Included

• Complete Turbocharger Assembly
• Pre-balanced CHRA
• Electronic/Mechanical Actuator (depending on spec)
• Installation guidelines

Installation Guide (Step-by-Step Tutorial)

1. Preparation

• Ensure engine is cool
• Disconnect battery
• Drain engine oil & coolant
• Remove intake and exhaust connections

2. Remove Old Turbo

• Detach actuator connector
• Remove oil feed/return pipes
• Unbolt manifold nuts
• Carefully lift the turbo assembly

3. Install New GTB1244VZ Turbo

• Prime the turbo with clean engine oil
• Mount turbo to manifold
• Reconnect oil lines (ensure they are clean & unrestricted)
• Connect VGT actuator
• Reinstall intake & exhaust pipes

4. System Check

• Refill oil and coolant
• Start engine and idle for 3–5 minutes
• Check for leaks
• Perform test drive and monitor boost pressure

Usage Scenarios

• Daily commuting for Hyundai IX35 / I40
• Long-distance highway driving
• City driving with frequent acceleration
• Replacement for failed OEM turbo
• Fleet maintenance and upgrades
• Workshops offering premium diesel repair service

Frequently Asked Questions (FAQ)

Q1: Does this turbo fit both IX35 and I40?

Yes. As long as the vehicle uses the D4FD LM CRDI engine, fitment is 100% correct.

Q2: Is this turbo fully new or refurbished?

It is brand new, using OEM-grade materials and precision-balanced.

Q3: Do I need to tune the ECU after installation?

Not required for stock replacement. Tuning is optional for performance upgrades.

Q4: Does the turbo come with an actuator?

Yes, depending on product configuration. Contact us for confirmation.

Q5: What is the warranty?

Standard 6-month manufacturing warranty.

About Us — Your Trusted Turbocharger Manufacturer

We are Fengcheng Zhongke Turbocharger Co., Ltd., a professional turbocharger manufacturer founded in 2001, with over 20 years of experience specializing in:

• Complete turbocharger assemblies
• CHRA/core cartridges
• Repair kits
• Compressor wheels, turbine shafts, actuators, and other turbo parts

Our products cover major global brands such as:Garrett, Holset, BorgWarner, Toyota, Mitsubishi, Caterpillar, Cummins, IHI, Hyundai, Isuzu, and more.

We supply to:

• Global distributors
• Professional diesel workshops
• OEM replacement markets
• Fleet maintenance companies

Our goal:Deliver reliable, OEM-standard turbochargers that keep your engines working at peak performance.

Meet Our Team

R&D Team

Specialists with 25+ years of turbocharger modeling, CFD simulation, and structural analysis experience.

Production Team

Using high-precision CNC equipment, VSR balancing machines, G3/G2 high-speed balancers, and strict QA systems.

Sales & Support Team

• Professional in international trade
• Skilled in identifying compatible models & OEM cross-references
• 24/7 fast response to customer needs

We don’t just sell turbochargers — we provide solutions, expertise, and long-term reliability.