Audi A4 B8 2.0 TDI CSUA Camshaft Adjuster Timing Cover Housing 03L109096B

The Audi A4 B8 2.0 TDI CSUA Camshaft Cover Housing is an original part from the timing chain and belt covers category, designed to protect the critical timing drive area in the 2.0 TDI engine. This used OEM part ensures factory fit, secure mounting, and stable operating conditions for the timing components.

Specifications and technical data

• SKU: 03L109096B
• Mark: Audi
• Condition: Used
• OEM Part Number: 03L109096B
• Substitutable numbers: 03L109096B, 03L 109 096 B
• Part type: Timing Cover
• Category: Timing Covers

Purpose and Function of the Camshaft Cover Housing

The camshaft cover housing in the Audi A4 B8 2.0 TDI CSUA is responsible for the physical protection of the camshaft and its associated timing drive components. It creates a sealed barrier against contaminants, limits the ingress of moisture and dirt, and stabilizes the cover's position relative to the cylinder head and other engine components.

Using an original Audi Group housing allows for:

• correct mounting geometry relative to the camshaft and engine cover,
• consistency with the factory sealing system within the timing area,
• adequate structural rigidity when operating under varying temperatures and loads.

Benefits of Using an Original Cover on the Audi A4 B8 2.0 TDI CSUA

For 2.0 TDI CSUA diesel engines, proper timing protection directly impacts the durability of the entire system. The use of a factory camshaft cover housing ensures:

• compatibility with factory mounting points in the cylinder head and engine block,
• proper guidance and support for the cover in the camshaft area,
• reduced risk of contaminants entering the timing space,
• maintenance of factory tolerances in the area of cooperating drive components.

This allows the mechanic to focus on correct installation without the need to adapt aftermarket parts or modify mountings.

Product Characteristics and Installation

The offered Audi camshaft cover housing is an OEM part, meaning it retains the original geometry, hole spacing, and mating shape with adjacent components. This facilitates installation in the A4 B8 2.0 TDI CSUA engine bay and reduces the risk of leaks due to imprecise fitting.

In practice, this translates to:

• efficient plug-and-play installation in place of a worn or damaged housing,
• no need for intervention in the cylinder head structure or additional modifications,
• stable retention of the timing cover during vehicle operation.

Why Choose a Used OEM Housing

A used Audi Group camshaft cover housing is a solution that combines controlled repair costs with the preservation of factory fit standards. Compared to inexpensive aftermarket alternatives, an OEM part offers:

• material and structural conformity with the original engine design,
• secure fit with existing timing components and the engine cover,
• predictable performance in long-term use, without uncontrolled deformation.

If you want to minimize vehicle downtime in the workshop and maintain the factory configuration of the engine unit, a used OEM part is a rational choice.

Related Audi Timing Covers and Technical Knowledge

If you are looking for other parts in the Audi Timing Chain and Belt Covers category, check out the Audi timing chain and belt covers available in our store to find a complete solution for your engine.

Want to better understand how the availability of used OEM parts affects repair time and workshop workflow? Read the article on how readily available used OEM parts shorten vehicle service time and help optimize vehicle maintenance costs.