Audi A3 8P Petrol Charcoal Carbon Filter Canister Gasket Holder Cover 1K0201801B

Audi A3 8P Petrol Charcoal Carbon Filter Canister Gasket Holder Cover is an original fuel system component designed for Audi vehicles with petrol engines. The set includes components responsible for the proper operation of the charcoal filter, which promotes stable fuel system performance and reduces fuel vapor emissions. It is a practical solution for users looking for a proven, used part at a reasonable price.

Specifications and technical data

• SKU: 1K0201801B-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 1K0201801B
• Substitutable numbers: 1K0201801B, 1K0 201 801 B, 1K0201801E, 1K0 201 801 E
• Fuel type: Petrol
• Category: Fuel Filters

Purpose and function in the fuel system

The presented item belongs to the Fuel filters group and works with the tank ventilation and fuel vapor absorption system in the Audi A3 8P with a petrol engine. The charcoal filter, along with the gasket, holder, and cover, is responsible for the controlled discharge of fuel vapors, which translates into stable engine operation and improved emission parameters. A correctly selected and installed set helps maintain:

• proper pressure in the fuel system,
• efficient discharge of fuel vapors into the intake system,
• reduction of unwanted fuel odors around the vehicle.

Set construction and key elements

The described product consists of charcoal filter mounting components – a gasket, a holder, and a cover. The gasket ensures a tight connection of the elements, the holder provides stable mounting in the vehicle compartment, and the cover protects the filter from external contaminants. A set configured in this way facilitates service and replacement, and also allows for maintaining the factory mounting geometry. Thanks to the use of original design solutions characteristic of the Audi brand, the element works well with the factory fuel system and vehicle electronics, which minimizes the risk of operational problems after installation.

Performance parameters and vehicle selection

The product is intended for petrol-powered vehicles, which is important when selecting parts for a specific engine version. Verifying compatibility by OEM number or interchangeable numbers allows for precise matching of the element to a specific Audi A3 8P configuration, reducing the risk of error when purchasing. In practice, this means that:

• compatibility with the factory fuel system is maintained,
• installation does not require structural modifications,
• the time required to replace the element is shorter, and the risk of leaks is lower.

Condition, origin, and benefits of use

The offered item is a used part, originating from original Audi equipment. This type of component is a good choice for maintenance repairs when you want to maintain factory specifications while reducing costs. Original design solutions promote durability and proper fit to existing mounts and lines. Using this set in the fuel system allows for restoring the proper operation of the charcoal filter, which can help eliminate errors related to fuel evaporation, improve engine performance, and reduce the risk of irregularities during periodic technical inspections.

Technical support and additional materials

To better understand the role of the charcoal filter in the entire fuel supply system, it is worth reading the guide describing the diagnostics and operation of elements such as injectors, pumps, or the fuel tank – detailed information can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. If you are planning a comprehensive repair or upgrade of the fuel system area in your Audi and need other elements from the same group, such as housings, mounts, or additional filter inserts, check the available parts in the Audi fuel filters category.