Audi A3 8V Camshaft Adjuster Solenoid Valve Unit 1.6 2.0 TDI 04L906423

The Audi A3 8V Solenoid Valve is a precise component of the diesel engine control system, specifically designed for Diesel units in Audi models. As part of the Solenoid Valves category, it is responsible for fast and repeatable switching of medium flow in the system, which translates to stable engine operation and correct response to load.

Specifications and technical data

• SKU: 04L906423
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L906423
• Substitutable numbers: 04L906423, 04L 906 423
• Fuel type: Diesel
• Category: Solenoids

Purpose and Role in the Engine System

The presented solenoid valve is an electronically controlled element that works with the diesel engine management system. It is responsible for precise dosing and rapid switching, which is important for:

• maintaining stable engine operating parameters under various loads,
• correct cooperation with engine control systems,
• reducing undesirable RPM fluctuations and improving running smoothness.

Thanks to its design based on an electromagnetic coil, the valve responds to the control unit's signals in a very short time, which is crucial in modern diesel engines.

Benefits of Using an Original Solenoid Valve

Using a valve dedicated to the Audi A3 8V allows for the preservation of the system's factory operating parameters. The original geometry and operating characteristics ensure:

• consistency with the engine control unit software – no need to adapt operating characteristics,
• appropriate response times and switching repeatability,
• maintenance of the pressures and flows specified by the manufacturer in the given circuit.

For the user, this means more predictable vehicle behavior, reduced risk of diagnostic errors, and better cooperation with other system components.

Technical Characteristics and Compatibility

As an element from the Solenoid Valves category designed for Diesel engines, this solenoid has been engineered for operation in demanding thermal and pressure conditions. The design takes into account:

• resistance to variable temperatures in the engine bay,
• suitability for operation with oil, fuel, or exhaust gases – depending on the specific circuit,
• parameter stability during long-term operation.

By maintaining the original mounting specifications, the valve can be used as a direct replacement for the factory-installed component, without the need for installation modifications.

Condition, Verification, and Practical Application

The offered solenoid valve is a used component, which in practice means a favorable compromise between cost and functionality. Before being offered, these types of components are typically verified for:

• coil efficiency and response to the control signal,
• tightness of the body and connection nipples,
• absence of mechanical damage that could affect installation.

It is always advisable to confirm the correct valve for a specific engine version based on catalog data and manufacturer markings to ensure full compatibility with the control system.

Why Consider a Used Valve in Related Systems, Such as EGR

In modern diesel engines, exhaust gas recirculation valves also play an important role. If you want to better understand how these types of components work and when it is worthwhile to opt for components from the secondary market, check out the article: EGR – What It Is and Why It's Worth Considering Used EGR Valves. This will allow you to approach the topic of regeneration and replacement of components in auxiliary engine systems consciously.

Other Solenoid Valves for Audi

If you are also looking for other Audi solenoid valves suitable for different models and engine configurations, check out our dedicated offer: Audi solenoid valves. This will allow you to easily compare available solutions and select the appropriate component for your vehicle's specific system.