Ford Focus Mk3 ST Turbocharger Turbo 2.0 Ecoboost Petrol R9DA CJ5E-6K682-CH

Ford Focus Mk3 ST Turbocharger Turbo 2.0 Ecoboost Petrol is a factory turbocharger from the Turbochargers and parts group, designed for the sporty EcoBoost petrol engine. The original Ford design ensures proper boost parameters, stable engine operation, and predictable vehicle behavior during dynamic driving.

Specifications and technical data

• SKU: 1945611
• Mark: Ford
• Condition: Used
• OEM Part Number: 1945611
• Substitutable numbers: 1945611, CJ5E-6K682-CH, CJ5E6K682CH
• Fuel type: Petrol
• Part type: Turbocharger
• Category: Turbos & Parts

Purpose and technical specifications

The presented turbocharger was designed for the 2.0 EcoBoost petrol engine used in the Focus ST Mk3 version. It is responsible for compressing intake air, which allows for high torque across a wide rev range and maintains stable boost pressure under intensive engine load. As an item from the Turbochargers and parts category, the component works with the exhaust and intake systems, influencing engine refinement, throttle response, and petrol fuel combustion efficiency. A properly selected rotor and housing geometry helps reduce turbo lag and improves engine flexibility in daily use.

Benefits of using an original turbocharger

Using an original turbocharger dedicated to the Focus ST Mk3 allows you to maintain factory engine performance parameters without the need for modifications to accessories or ECU software. This solution is particularly beneficial for users who expect:

• consistent cooperation with the stock fuel and ignition system,
• correct boost pressure control by the factory ECU,
• maintenance of stock power and torque characteristics,
• reduced risk of problems resulting from mismatched aftermarket replacements. By maintaining the original specification, the turbocharger supports the correct operation of engine protection systems, such as exhaust gas temperature control or emergency strategies in case of excessive boost pressure.

Condition, fitment, and installation

The offered item is in Used condition, meaning it has been dismantled and was previously in service. This type of part is an attractive cost-effective alternative to a new turbocharger, while maintaining the original design and fitment for the 2.0 EcoBoost engine. The turbocharger is intended for installation in place of the factory component, using stock mounting points and the factory oil supply and cooling system. During replacement, it is recommended to:

• check the condition of oil and coolant lines,
• replace gaskets and mounting hardware,
• inspect the intake system for leaks,
• verify the correct operation of the boost control valve.

Petrol fuel application and impact on engine operation

The 2.0 EcoBoost engine, for which this turbocharger is intended, runs on petrol fuel, which involves higher exhaust temperatures than in diesel units. The original turbocharger design is adapted to these conditions, which translates into appropriate thermal resistance and durability of the materials used in the hot side. A properly selected turbocharger for a petrol unit allows for maintaining correct boost pressure values, reducing the risk of knocking, and ensuring stable operation at high RPMs. This is important both in daily use and during the dynamic driving typical of the ST version.

Why choose original used forced induction components

Choosing an original used turbocharger is often more predictable than installing a cheap replacement of uncertain specification. The factory component maintains compliance with the vehicle manufacturer's design, which facilitates diagnostics, service, and subsequent operation. For users interested in a broader perspective on using original dismantled parts, an article describing the advantages of such a solution in the context of another brand may be helpful: Reliability and dynamics in Seat models: how to reduce repair costs by choosing factory dismantled parts?. If you are planning a comprehensive repair or upgrade of the engine area in your Ford and need other items from the same group, such as additional turbochargers, boost control elements, or intake system components, check out the available parts in the Ford Turbochargers and parts category.