Ford Mondeo Mk4 Engine Oil Breather Pipe Hose Line 2.2 TDCi BG9Q-6A886-AC

Ford Mondeo Mk4 Engine Oil Breather Pipe Hose Line is a lubrication system component designed for petrol engines, responsible for the controlled discharge of oil vapors from the engine. A properly selected hose from the Oil coolers and hoses group supports stable operating conditions for the power unit, reduces the risk of leaks, and helps maintain correct system pressure.

Specifications and technical data

• SKU: 1867515
• Mark: Ford
• Condition: Used
• OEM Part Number: 1867515
• Substitutable numbers: BG9Q-6A886-AC, BG9Q6A886AC, 1867515, BG9Q-6A886-AD, BG9Q6A886AD
• Fuel type: Petrol
• Part type: Oil Cooler Hose
• Category: Engine Oil Coolers & Lines

Function and role of the oil breather hose

The oil breather hose in a petrol engine is responsible for the controlled flow of oil vapors between the lubrication system components and the intake. A properly functioning hose:

• stabilizes pressure in the crankcase,
• limits the amount of oil entering the intake system,
• supports smooth engine operation across the full load range,
• reduces the risk of contamination of components interacting with the lubrication system.

For Ford petrol engines, maintaining the integrity, correct diameter, and shape of the hose is crucial to ensure vapor flow complies with the manufacturer's design specifications.

Compatibility and fit for Ford Mondeo Mk4

The offered hose has been designed specifically for the fourth-generation Ford Mondeo, which ensures proper routing in the engine bay and a perfect fit to factory connectors. Using a dedicated component:

• facilitates installation without the need for modifications,
• ensures correct positioning relative to other components,
• reduces the risk of abrasion and stress resulting from improper geometry.

As a result, the hose works with the lubrication and oil cooling system in accordance with Ford engineers' specifications, which is significant for both engine durability and the stability of operating parameters.

Characteristics of the used component

The hose comes from the secondary market, which allows for cost-effective repair while maintaining the original design. A used component of this class is a good solution in situations where:

• the existing hose is cracked, perished, or leaking,
• there are issues with excessive oil presence around the intake area,
• a quick replacement is necessary without waiting for rarely available new components.

Choosing an original hose from the secondary market allows for the preservation of factory flow parameters and shape, which is particularly important in precisely tuned petrol engines.

Importance for the lubrication and oil cooling system

As an element of the Oil coolers and hoses group, the breather hose works with other components responsible for oil circulation and condition. A functional hose:

• helps maintain stable thermal conditions for the oil,
• limits foaming and excessive aeration of the lubricant,
• supports uniform lubrication of moving engine parts.

In petrol engines, where operating temperatures and RPMs are often high, proper lubrication system venting has a direct impact on the durability of the power unit and its operating refinement.

Practical maintenance tips

When replacing the oil breather hose, it is worth checking the condition of the mating connectors, clamps, and adjacent hoses. It is recommended to:

• check for leaks after installation while the engine is running,
• inspect for any potential oil leaks in the area after a few driving cycles,
• perform periodic visual inspections of the hose for cracks and deformations.

This approach helps keep the lubrication system in a stable condition and reduces the risk of secondary faults resulting from leaks.

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 oil lines, connection elements, or components working with the oil cooler, check the available parts in the Ford Oil coolers and hoses category.

To better understand the impact of operating temperature on the condition of the oil and the entire cooling system, it is worth reading the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings, which helps in consciously planning the service of components interacting with the lubrication system.