Ford Focus Mk8 ST Oil Separator Reservoir 1.5 EcoBoost YZJA HX7G-6C757-BA

Ford Focus Mk8 ST Oil Separator Reservoir 1.5 EcoBoost is an original crankcase ventilation system component, designed specifically for the 1.5 EcoBoost engine in the ST version. It is responsible for efficiently separating oil mist from gases before they return to the intake, which promotes stable engine operation and reduces contamination of the intake system.

Specifications and technical data

• SKU: 2510289
• Mark: Ford
• Condition: Used
• OEM Part Number: 2510289
• Substitutable numbers: HX7G-6C757-BA, HX7G6C757BA, 2510289
• Part type: Oil Pump
• Category: Oil Pumps & Parts

Function and role of the breather – oil separator in the 1.5 EcoBoost

The breather – oil separator in the 1.5 EcoBoost engine is responsible for the controlled discharge of gases from the crankcase and their reintroduction into the intake system after the oil particles have been separated. This results in:

• a reduction in the amount of oil entering the intake and combustion chamber,
• limiting the buildup of carbon deposits on valves and in the manifold,
• stabilization of pressure in the crankcase,
• maintaining more consistent performance characteristics of the turbocharged engine.

In the case of turbocharged units, such as the 1.5 EcoBoost, a functional oil separator is important for maintaining smooth engine operation, proper throttle response, and reducing oil consumption.

Construction and fitment for the Ford Focus Mk8 ST

Ford Focus Mk8 ST Oil Separator Reservoir 1.5 EcoBoost is a component from the Oil pumps and parts group, factory-adapted to the architecture of the EcoBoost engine in this model. This means:

• designed for the specific mounting layout in the cylinder head and/or valve cover,
• adapted to factory breather hose diameters and vacuum ports,
• compatibility with the factory engine management system, which accounts for gas flow through the breather.

The original Ford origin ensures proper fitment with other lubrication and ventilation system components, without the need for modifications or the use of additional adapters.

Benefits of using an original breather – oil separator

Using an original oil separator in the 1.5 EcoBoost engine allows for maintaining engine performance parameters in accordance with the manufacturer's specifications. In practice, this translates into:

• more predictable pressure in the crank-piston system,
• reduction of oil blow-by into the intake during dynamic driving,
• reduced risk of unstable idle speed associated with leaks in the breather system,
• better operating conditions for the turbocharger due to the reduction of oil in the intake air stream.

For users of the ST version, where the engine often operates under higher loads, a functional oil separator is a key element in maintaining repeatable performance and correct torque characteristics.

Condition, origin, and service application

The offered breather – oil separator comes from the Ford parts line and is a dismantled component, which allows for an economical restoration of the ventilation system's efficiency in the 1.5 EcoBoost engine. This type of component is particularly useful for:

• resolving issues with excessive oil consumption resulting from a faulty breather,
• diagnosing unstable engine operation at idle or under load,
• comprehensive maintenance of the lubrication and ventilation system during major engine repairs.

By maintaining the original design, it is possible to preserve the factory gas flow characteristics, which is important for the correct operation of sensors and the engine control unit.

Related Ford lubrication system components

If you are planning a comprehensive repair or upgrade of the engine area in your Ford and need other components from the same group, such as oil pump housings, lubrication system covers, or oil return lines, check out the available parts in the Ford oil pumps and parts category.

Knowledge about used parts and the secondary market

When choosing used lubrication and ventilation system components, it is worth knowing the specifics of the secondary market and the differences between dismantled parts and the official dealer offer. For a comparison of approaches to maintenance and repairs in a popular brand, it is worth reading the article VW cars: economical restoration of full efficiency thanks to parts from professional dismantling, which discusses the practical aspects of using used parts in the context of costs and durability.