Ford Transit Connect 1.8 TDCI Oil Separator Crankcase Vent Pipe Hose YS6Q6A804BA

Ford Transit Connect 1.8 TDCI Oil Separator Crankcase Vent Pipe Hose is an original crankcase ventilation system component designed for the 1.8 TDCI diesel engine. Thanks to its factory-spec fitment, it ensures proper oil vapor discharge and stable engine operation, which is crucial for engine durability and intake cleanliness. Using an original pre-owned part is a sensible choice when servicing the crankcase ventilation system in a Ford Transit Connect.

Specifications and technical data

• SKU: YS6Q6A804BA
• Mark: Ford
• Condition: Used
• OEM Part Number: YS6Q6A804BA
• Substitutable numbers: YS6Q6A804BA, YS6Q-6A804-BA, 1479081
• Category: Hoses, Lines & Pipes

Purpose and function of the crankcase vent hose

The crankcase vent hose in the 1.8 TDCI engine is responsible for the controlled discharge of gases from the crankcase into the intake system. A properly selected component:

• stabilizes pressure in the crankcase,
• reduces blow-by and oil leaks,
• supports smooth engine operation at idle and under load,
• reduces the risk of contamination of the mass air flow sensor and intake manifold.

In the event of wear or leaks in the vent hose, typical symptoms appear, such as oil residue around the intake area, unstable idle, or increased exhaust smoke. Replacing it with an original Ford component allows you to restore the factory operating parameters of the ventilation system.

Original origin and fitment

The presented Ford Transit Connect 1.8 TDCI Oil Separator Crankcase Vent Pipe Hose comes from the vehicle manufacturer's parts line, which means it maintains factory geometry, connection diameters, and the routing of the hose in the engine bay. As a result:

• installation is carried out without modifications or adjustments,
• proper seal integrity is maintained,
• the component does not interfere with other parts in the engine bay.

Original construction is particularly important for hoses operating at elevated temperatures and in contact with oil vapors, where cheaper replacements tend to harden or crack faster. Choosing parts from the Lines, Hoses and Pipes group sourced from the vehicle manufacturer promotes longer, stable operation.

If you are assembling components for the intake or ventilation system, it is also worth checking other components in the Lines, Hoses and Pipes for your car category to carry out the service in a consistent and technically correct manner.

Benefits of using an OEM pre-owned component

Choosing a pre-owned OEM vent hose is a cost-effective solution that is also technically safe, provided the condition is properly verified. This type of part allows you to:

• maintain the original specifications of the ventilation system without excessive costs,
• preserve compliance with factory hose routing,
• reduce the risk of fitment issues typical of some aftermarket replacements.

During installation, it is recommended to check the condition of the connectors, clamps, and adjacent hoses to eliminate potential leaks in one service step. This approach increases the reliability of the entire ventilation system and reduces the risk of having to revisit the repair in the near future.

Professional approach to pre-owned parts

When purchasing pre-owned powertrain components and associated hoses, it is worth following proven condition assessment procedures. Helpful resources include specialized guides, such as a practical guide to choosing pre-owned powertrain components, which discusses, among other things, what to look for during inspection and how to avoid common purchasing mistakes.

Thanks to the conscious selection of parts, such as the Ford Transit Connect 1.8 TDCI Oil Separator Crankcase Vent Pipe Hose, you can effectively maintain engine efficiency, reduce the risk of leaks, and ensure stable engine operating parameters without the need to incur the costs of purchasing new components.

Additional tips on operation and diagnostics of vehicle systems can be found in our guide: proven advice on choosing and installing pre-owned car parts, which helps in making more informed service decisions.