Audi A4 B6 B7 Cooling Radiator Retaining Peg Clip Pin Dowel Set x2 4B3121200

Audi A4 B6 B7 Cooling Radiator Retaining Peg Clip Pin Dowel Set x2 are original mounting components from the Holders, mounts and mounting parts group, designed for the stable positioning of the radiator within the vehicle structure. The set of two retaining pegs ensures the radiator remains in the correct position, which promotes the safe operation of the cooling system and reduces the risk of unwanted vibrations while driving.

Specifications and technical data

• SKU: 4B3121200
• Mark: Audi
• Condition: Used
• OEM Part Number: 4B3121200
• Substitutable numbers: 4B3121200, 4B3 121 200
• Part type: Pin
• Category: Mounts, Brackets & Hardware

Purpose and function of the radiator retaining pegs

The presented set of pegs has been designed as a structural component of the cooling system in Audi A4 B6 and B7 generation models. It is responsible for the precise positioning of the radiator relative to the subframe and other components, which facilitates proper airflow through the radiator core and reduces mechanical stress caused by road irregularities.

By using a factory mounting solution, compatibility with the original body and engine bay geometry is maintained, and replacing worn pegs with functional parts allows for the restoration of the mounting rigidity intended by the manufacturer.

Benefits of using original Audi mounts

Using original retaining pegs in an Audi A4 B6/B7 offers a number of practical advantages in daily operation:

• maintaining the proper distance between the radiator and other cooling system components,
• reduction of unwanted vibrations and rattling resulting from loose mounts,
• limiting the risk of mechanical damage to the radiator during long-term use,
• easier removal and installation of the radiator during service work.

Replacing worn mounts with original Audi components helps maintain the structural integrity of the vehicle, which is particularly important for the precisely designed cooling systems in modern engines.

Set characteristics and installation

The set includes two retaining pegs, allowing for the simultaneous replacement of the pair in a single service cycle. This approach is beneficial in terms of durability – new mounts operate under similar conditions and wear evenly, which facilitates the later diagnosis of any potential play in the system.

The components belong to the Holders, mounts and mounting parts group, meaning they are designed for appropriate rigidity, resistance to operational loads, and compatibility with factory mounting points in the body. Installation is based on original sockets and does not require interference with the vehicle's structure, which is advantageous both technically and formally (inspections, homologation).

Condition of components and service application

The offered set comes from dismantling and is intended for reuse in Audi A4 B6/B7 vehicles that have worn or damaged radiator mounts. Such components are often overlooked during standard repairs, yet their replacement can significantly improve the cooling system's performance and reduce the transmission of vibrations to the body.

In workshop practice, the set of two pegs is useful both when replacing the radiator and during post-accident repairs in the front of the vehicle, where mounting points may be compromised. Using original mounts makes it easier to restore the factory setting of the radiator relative to the front panel and other components.

How to choose the right retaining peg for your Audi

To ensure that the presented set is suitable for a specific version of the Audi A4 B6 or B7, it is worth verifying compatibility via the OEM number or by matching it to the vehicle's VIN. This helps avoid installation problems and guarantees that the mounts used will work with the existing subframe and radiator.

If you want to streamline the parts selection process and avoid ordering mistakes, a practical guide will be helpful: how to choose the right car part by VIN and OEM number. It contains a step-by-step procedure and tips on what to look for when comparing mounting components.

Economical servicing with used OEM parts

For mounting components such as radiator pegs, using used OEM parts is often a reasonable compromise between cost and quality. Original mounts retain factory geometry and are designed for long-term use, making their reuse in good technical condition an economical solution.

If you want to better plan your repair budget and consciously use the market for dismantled parts, it is worth reading the article Rising repair costs and the boom in used parts – how to save on car service?, which discusses when used OEM components are particularly cost-effective and how to buy them wisely.

If you are planning a comprehensive repair or upgrade of the radiator mounting area in your Audi and need other components from the same group, such as additional holders, brackets, or spacers, check the available parts in the Audi holders, mounts and mounting parts category.