Audi A3 8V A4 B9 Rear Wiper Arm Nut Bolt Cap Cover 4G9955205

Audi A3 8V A4 B9 Rear Wiper Arm Bolt Cap is a precise mounting component designed to secure the rear wiper mounting in Audi vehicles. The carefully selected shape of the cap allows for an aesthetic finish to the arm mounting area, while simultaneously protecting the connection from dirt and moisture.

Specifications and technical data

• SKU: 4G9955205
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G9955205
• Substitutable numbers: 4G9955205, 4G9 955 205
• Location on the vehicle: Rear
• Category: Additional Wiper & Washer Components

Purpose and Function of the Component

The rear wiper arm bolt cap has been designed for Audi vehicles where both correct mounting and a cohesive appearance of the rear body are important. The component is installed in the rear area of the vehicle, directly onto the wiper arm mounting, where it is responsible for:

• covering the wiper arm mounting bolt,
• limiting the ingress of dirt and moisture to the connection,
• a tidy, factory-original look of the rear window.

Thanks to its precise fit for the rear wiper design in Audi A3 8V and A4 B9, the cap ensures stable seating and proper adhesion to the arm.

Benefits of Using an Original Cap

Using a dedicated cap at the rear wiper mounting point helps maintain a consistent, factory-original look of the rear window and reduces the risk of corrosion of the mounting elements. Compared to universal replacements, a correctly chosen component:

• fits the shape of the wiper arm used in Audi A3 8V and A4 B9,
• does not require modifications or adjustments during installation,
• maintains a stable position even during intensive wiper operation.

This is a practical solution for users who want to restore the full functionality and aesthetics of the rear wiper after its removal, replacement, or repair.

Characteristics and Installation

The cap belongs to the group of Other Wiper Parts, which are supplementary elements of the window wiper system, responsible for correct mounting and protection of critical connection points. Installation is typical for this type of component – after correctly positioning the wiper arm on the spindle, the cap is seated on the mounting, covering the bolt and aligning the arm's line.

This solution is particularly useful after service work on the rear of the vehicle, when the wiper arm has been removed, and the original cover has been damaged or lost. A correctly chosen cap helps restore the full functionality of the wiper system and the aesthetics of the rear window without altering the vehicle's structure.

Product Condition and Practical Application

The offered item is in used condition, allowing for a reasonable purchase cost while maintaining operational parameters suitable for everyday use. This is a good solution for drivers who want to quickly replace a missing mounting detail without having to invest in a new wiper set.

In practice, replacing the cap is often the final step in rear wiper work – after setting the arm and tightening the mounting, the cover secures the connection and tidies up the appearance of the entire rear window area.

Related Parts and Audi Wiper System Expansion

If you are planning a comprehensive repair or upgrade of the rear window area in your Audi and need other parts from the same group, such as arms, mountings, or additional covers, check the available parts in the Other Audi Wiper Parts category.

When selecting used wiper system components, it's worth paying attention to the availability of parts in stock – this directly affects the vehicle's downtime in the service center. You can find more about how using used OEM parts speeds up repairs in the article Availability of Car Parts in Stock and Repair Time – How Used OEM Parts Shorten Workshop Stays?.

If you want to better plan your purchases of used components and consciously choose items like caps, arms, or other mounting accessories, the guide Used Parts – Your Guide to the Best Offers in an Automotive Store, which describes practical criteria for evaluating such products, will be helpful.