Turbocharger 829440 829440-0003 829440-0004 829440-5003S 829440-5004S

Turbochargers are critical components in modern diesel and gasoline engines, enhancing performance by forcing additional 

compressed air into the combustion chamber. For Land Rover vehicles, turbochargers such as 829440, 829440-0003, 829440-0004, 

829440-5003S, 829440-5004S, FPLA6K682AC, and FPLA-6K682-AC are engineered to deliver superior power, efficiency, and durability. 

These models are commonly used in various Land Rover engines, ensuring optimal performance in both on-road and off-road conditions.

This guide provides an in-depth look at these turbocharger models, their specifications, applications, and benefits for Land Rover vehicles.

1. Overview of Turbocharger Models

1.1 Turbocharger 829440 Series

The 829440 turbocharger series is designed for Land Rover engines, offering improved airflow and combustion efficiency. Variations include:

• 829440-0003 – A high-performance variant with enhanced durability.

• 829440-0004 – Optimized for better low-end torque response.

• 829440-5003S – A service replacement unit with upgraded components.

• 829440-5004S – Features improved heat resistance and longevity.

These models are commonly used in Land Rover Discovery, Range Rover Sport, and other diesel variants, 

ensuring reliable turbocharging under demanding conditions.

1.2 Turbocharger FPLA6K682AC / FPLA-6K682-AC

The FPLA6K682AC (also listed as FPLA-6K682-AC) is a premium turbocharger designed specifically for Land Rover applications. It features:

• Advanced ball-bearing technology for reduced lag and faster spooling.

• High-temperature-resistant materials to withstand extreme engine conditions.

• Precision-engineered compressor and turbine wheels for optimal airflow.

This model is often found in Land Rover TD6 and other turbo-diesel engines, ensuring smooth power delivery and fuel efficiency.

2. Key Features & Benefits

2.1 Enhanced Engine Performance

• Increased horsepower and torque – Turbochargers force more air into the engine, allowing for better combustion and higher power output.

• Reduced turbo lag – Advanced designs (especially in FPLA6K682AC) ensure quicker response times.

2.2 Improved Fuel Efficiency

• By optimizing air intake, these turbos help engines burn fuel more efficiently, reducing consumption and emissions.

2.3 Durability & Reliability

• High-grade materials (such as reinforced turbine housings) prevent wear under extreme heat and pressure.

• Sealed bearings reduce oil contamination and extend lifespan.

2.4 Compatibility with Land Rover Models

These turbochargers are engineered for:

• Land Rover Discovery 3/4 (LR3/LR4)

• Range Rover Sport (L320/L494)

• Range Rover (L322/L405)

• Other diesel variants with compatible engine codes

3. Common Applications & Engine Fitment

3.1 Land Rover TDV6 & SDV6 Engines

• The 829440 series is widely used in 2.7L and 3.0L TDV6/SDV6 engines, providing reliable boost pressure.

• FPLA6K682AC is often fitted in later models for improved responsiveness.

3.2 Land Rover TDV8 Engines

• Some variants of the 829440-5003S/5004S are compatible with 4.4L TDV8 engines, ensuring robust performance in larger SUVs.

3.3 Aftermarket & OEM Replacements

• These turbos serve as direct OEM replacements or high-performance upgrades for worn-out units.

4. Maintenance & Troubleshooting Tips

4.1 Signs of Turbocharger Failure

• Excessive smoke (blue/black) – Indicates oil burning or incomplete combustion.

• Loss of power – Suggests boost pressure issues.

• Whining or grinding noises – Points to bearing or shaft damage.

4.2 Prolonging Turbo Life

• Regular oil changes – Clean oil prevents bearing wear.

• Proper warm-up & cool-down – Avoids thermal stress on turbo components.

• Quality air filters – Prevent debris from damaging the compressor wheel.

5. Conclusion

The 829440, 829440-0003, 829440-0004, 829440-5003S, 829440-5004S, FPLA6K682AC, and FPLA-6K682-AC

turbochargers are engineered to meet the high demands of Land Rover engines. Whether used as OEM replacements 

or performance upgrades, these turbos deliver enhanced power, fuel efficiency, and longevity.

For Land Rover owners seeking reliable turbocharging solutions, these models provide the perfect balance of durability, 

performance, and compatibility. Regular maintenance ensures optimal function, keeping your vehicle running at peak efficiency for years to come.