Aluminium alloy car modification oil separator breather catch can kit for 2018-2020 Ford Expedition models, available in black, blue, red, or silver finishes for engine bay oil vapour separation and crankcase pressure regulation
Aluminium alloy oil separator catch can for 2018-2020 Ford Expedition models in four colour options

This aluminium alloy oil separator provides a mechanical solution for managing crankcase ventilation in 2018-2020 Ford Expedition vehicles. Designed as a catch can system, it helps separate oil vapour from crankcase gases before they re-enter the intake system. By capturing these oil vapours, the unit can contribute to maintaining cleaner intake components and throttle bodies over extended driving periods. The aluminium alloy construction offers a balance of lightweight durability suitable for the temperature fluctuations and vibration typical of engine bay environments.
Features and Construction

The oil separator is built around its primary material and vehicle-specific design parameters. As a modification component, its value lies in its targeted compatibility and straightforward mechanical function.
Material and Build
Constructed entirely from aluminium alloy, the separator housing benefits from this material's resistance to corrosion and its ability to withstand typical under-bonnet thermal cycles without degradation. Aluminium alloy also provides a favourable strength-to-weight ratio, meaning the added component does not introduce significant mass to the vehicle. The material's properties make it suitable for containing and managing oil-laden vapours without risk of chemical interaction or structural failure under normal operating pressures.
Size and Practical Fit
The product is designed specifically for 2018-2020 Ford Expedition models, indicating it has been dimensioned and configured to integrate with the engine bay layout and crankcase ventilation routing of these vehicles. While exact measurements are not specified, this model-year specificity suggests the unit includes appropriate mounting provisions and hose connections compatible with Expedition engine configurations from those production years. Purchasers should confirm the physical space availability in their particular vehicle before installation.
Uses and Placement

The oil separator serves a clear functional role within the vehicle's engine management system. Its placement and operation are defined by its purpose within the crankcase ventilation circuit.
Event or Professional Use
For vehicles subjected to demanding driving conditions, track use, or frequent towing—scenarios where engine oil temperatures and crankcase pressures can be elevated—an effective oil separator can help manage increased vapour production. By intercepting oil mist before it reaches the intake, the unit supports maintaining optimal air-fuel mixture consistency and reduces the accumulation of oil deposits on intake valves and intercooler surfaces, which is particularly beneficial for turbocharged applications or engines operating under sustained high load.
Everyday Home Use
For daily-driven Ford Expedition models, the oil separator offers a preventative maintenance benefit by gradually reducing the amount of oil vapour circulating back through the intake system over time. This can contribute to keeping the throttle body cleaner and maintaining more stable idle characteristics as mileage accumulates. The availability in four colours—black, blue, red, and silver—allows owners to select a finish that complements their engine bay aesthetic if visual modification is desired alongside the functional upgrade.
Benefits and Buying Value

The value proposition of this oil separator centres on its material durability, model-specific compatibility, and the practical function it provides.
Reuse and Low Maintenance
As a passive mechanical component with no moving parts, the aluminium alloy oil separator requires minimal ongoing maintenance beyond periodic draining of the collected oil. Its robust construction suggests it can remain in service for the long term without deterioration, making it a one-time installation for the lifespan of the modification. The separative function itself is a continuous process whenever the engine is running, providing constant benefit without requiring driver intervention or system monitoring.
Why Choose This Product
This oil separator offers a direct-fit solution for 2018-2020 Ford Expedition owners seeking to add this specific modification. The aluminium alloy construction provides known material benefits for automotive applications, and the four colour options allow for personalisation. As a complete kit supplied as one set, it includes all necessary components for installation, eliminating the need to source additional fittings or adapters. The product addresses a specific mechanical need with components matched to the requirements of these model years.





