Turbocharger charger 5435-970-0009 5435-988-0009

The Turbocharger 5435-970-0009 / 5435-988-0009 is a high-performance turbo unit designed specifically for Diesel 1.4 TDCi engines (DV4TD),

 commonly found in popular models such as Ford Fiesta, Ford Fusion, Peugeot 206, 207, Citroën C3, and Mazda 2. Manufactured with advanced engineering precision, 

this turbocharger ensures excellent boost response, improved fuel efficiency, and enhanced overall engine performance, 

making it a reliable choice for both replacement and performance upgrade applications.

1. Product Overview

This turbocharger is part of the BorgWarner KP35 / KP39 series, well-known for their compact design and durable structure.

 The 5435-970-0009 and 5435-988-0009 variants are built with the same engineering specifications, ensuring interchangeability and

 compatibility with a wide range of 1.4-liter diesel engines. The unit is designed to deliver consistent air pressure under all driving conditions, 

improving combustion efficiency and reducing emissions.

The turbocharger uses a wastegate system to control boost pressure and prevent overboosting, ensuring safe operation and extending engine life. 

It is oil-lubricated, with precisely balanced turbine and compressor wheels that provide minimal friction and long-lasting reliability.

2. Technical Specifications

• Part Numbers: 5435-970-0009 / 5435-988-0009

• OEM Reference Numbers: 9650764480, 0375J6, 0375J7, 9652348680

• Turbo Model: KP35

• Engine Model: DV4TD, 1.4 TDCi

• Engine Type: Diesel

• Cooling Type: Oil-cooled

• Actuation Type: Pneumatic wastegate actuator

• Application Vehicles:

• Ford Fiesta / Fusion 1.4 TDCi

• Peugeot 206 / 207 / 307 1.4 HDi

• Citroën C3 / C2 1.4 HDi

• Mazda 2 1.4 CD

• Displacement: 1.4L

• Power Range: 50–68 HP

3. Key Features and Advantages

• High Durability: The turbocharger is manufactured from premium-grade materials that withstand extreme temperatures and pressures, ensuring long service life.

• Precision Engineering: The compressor wheel and turbine wheel are dynamically balanced to minimize vibration and enhance rotational stability.

• Enhanced Performance: It delivers optimal boost pressure, improving torque at low RPMs and increasing overall engine power output.

• Fuel Efficiency: By maximizing air intake and combustion efficiency, it helps reduce fuel consumption while maintaining power.

• Low Emissions: Advanced turbine geometry supports better air–fuel mixture combustion, which results in lower CO₂ and particulate emissions.

• Direct Replacement: Perfect fitment for original OEM turbos, ensuring quick installation without modification.

4. Performance Benefits

Installing the 5435-970-0009 / 5435-988-0009 turbocharger provides an immediate improvement in engine responsiveness and acceleration. 

Drivers can expect smoother power delivery, reduced turbo lag, and consistent performance even under heavy load. 

The upgraded efficiency also contributes to reduced operational costs, especially for commercial or fleet vehicles that rely on long-term reliability.

This turbocharger supports sustainable performance by ensuring clean exhaust flow and optimized fuel combustion. 

It’s a key component for maintaining compliance with Euro 3 and Euro 4 emission standards in older diesel vehicles.

5. Quality and Reliability

Each turbocharger undergoes strict quality control testing, including high-speed balancing, pressure testing, and flow calibration.

 These measures guarantee that every unit meets OEM performance standards and offers dependable operation for thousands of kilometers.

 The bearing system and sealing design are optimized to minimize oil leakage and ensure smooth operation across a wide temperature range.

In addition, all core components—turbine housing, compressor housing, CHRA (Cartridge), and actuator—are tested for structural integrity. 

Replacement CHRA units for this model are also available, allowing easy maintenance and cost-effective repairs.

6. Installation and Maintenance

Proper installation is essential to ensure long-term performance. Before mounting the turbocharger, it is recommended to:

• Check and clean the oil feed and return lines.

• Replace the engine oil and oil filter.

• Ensure there is no debris or carbon buildup in the intake and exhaust systems.

• Prime the turbocharger with clean engine oil before startup.

Routine maintenance, including regular oil changes and air filter replacements, will greatly extend the life of the turbocharger and the engine itself.

7. Applications and Compatibility

This turbocharger fits a wide range of compact diesel vehicles equipped with the DV4TD 1.4 TDCi / HDi engine. Its combination of lightweight 

construction and efficient performance makes it ideal for city cars, small vans, and light commercial vehicles where both fuel economy and reliability are top priorities.

8. Conclusion

The Turbocharger 5435-970-0009 / 5435-988-0009 is a reliable, high-quality replacement solution for vehicles powered by the 1.4 TDCi DV4TD engine. 

ith its proven design, robust construction, and superior performance, it restores engine power, improves fuel efficiency, and ensures long-term operational stability. 

Whether used for daily commuting or commercial purposes, this turbocharger provides the perfect balance of performance, economy, 

and durability—making it an ideal choice for automotive professionals and individual users alike.