Audi TT 8J Mk2 Washer Reservoir Filler Neck Cover Cap 1H0955455

Audi TT 8J Mk2 Washer Reservoir Filler Neck Cover Cap is an original washer system component from the Audi group, designed to provide a tight seal for the fluid reservoir. It ensures safe system operation by protecting the fluid from contaminants and preventing leaks, which translates into reliable washer performance and good visibility while driving.

Specifications and technical data

• SKU: 1H0955455
• Mark: Audi
• Condition: Used
• OEM Part Number: 1H0955455
• Substitutable numbers: 1H0955455, 1H0 955 455
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and technical function

Audi TT 8J Mk2 Washer Reservoir Filler Neck Cover Cap is a component operating within the system responsible for delivering fluid to the washer nozzles. Its tasks include:

• maintaining proper fluid reservoir tightness,
• protecting the inside of the reservoir from dust, mud, and other contaminants,
• stabilizing pressure in the reservoir during washer pump operation,
• limiting fluid evaporation under operating conditions.

Thanks to a properly selected cap, the washer system maintains its efficiency, and the risk of airlocks or contamination of hoses and nozzles is significantly reduced.

Construction and fitment for the washer system

The offered cap belongs to the technical parts category of Washer fluid reservoirs, pumps, and nozzles. The design is engineered for specific mounts and filler neck diameters in the Audi TT 8J generation model, which facilitates installation and ensures proper fitment with the reservoir edge.

The original Audi branding ensures that factory dimensional tolerances are maintained, which is crucial for the tightness and durability of the connection. The cap works with the existing reservoir and washer system equipment without the need for any installation modifications.

Benefits of using an original cap

Using the correct washer reservoir cap translates into a number of practical advantages in daily operation:

• Stable washer system operation – limiting the access of contaminants to the fluid reduces the risk of clogging nozzles and hoses.
• Better protection of system components – cleaner fluid means less strain on the washer pump and hoses.
• Hassle-free fluid refilling – the cap is designed for the standard filler neck, which facilitates daily vehicle maintenance.
• Consistency with the factory manufacturing standard – maintaining original geometry and mounting method.

Part condition and service application

The item is offered as a used part, which allows for an economical repair of the washer system while maintaining the manufacturer's original specifications. This type of component is suitable both for a typical replacement of a damaged cap and for service work related to the regeneration of the entire washer system in the Audi TT 8J Mk2.

If you are planning a wider range of work on the washer system, it is worth checking other elements available in the category check the guide on diagnostics and selection of operating fluid system components to select parts based on manufacturer markings and service recommendations.