Audi Q3 Volkswagen Tiguan 5N 2.0 TDi Engine Throttle Body Valve 04L128063AA

Audi Q3 Volkswagen Tiguan 5N 2.0 TDi Air Throttle Body is a component from the Throttle Bodies category, designed for diesel engine fuel systems. It allows for precise control of airflow in the engine unit, which translates to stable engine operation and proper cooperation with the control electronics. This is a solution for users expecting a proven component with a construction compliant with the manufacturer's standard.

Specifications and technical data

• SKU: 04L128063AA
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L128063AA
• Substitutable numbers: 04L128063AA, 04L 128 063 AA
• Location on the vehicle: Front
• Fuel type: Diesel
• Category: Throttle Bodies

Purpose and Function in the Intake System

The described air throttle body has been designed for use in diesel engines, where it is responsible for controlling the amount of air intake and stabilizing the combustion process. A properly functioning element of this type supports smooth engine operation, reduces vibrations when the engine is switched off, and facilitates maintaining correct mixture parameters under various load conditions.

Its placement at the front of the vehicle promotes efficient routing of intake ducts and integration with other fuel system components. This allows the throttle body to cooperate with the intake manifold, turbocharger, and exhaust gas recirculation system, ensuring cohesive operation of the entire air path.

Benefits of Use in Audi Q3 and Volkswagen Tiguan 5N 2.0 TDi

In Audi Q3 and Volkswagen Tiguan 5N vehicles with the 2.0 TDi engine, a functional air throttle body significantly impacts the engine's running smoothness. A correctly chosen component helps reduce power losses resulting from improper airflow and can decrease the risk of intake system errors in the engine control unit.

Key benefits of using this component include:

• more stable idle speed for both warm and cold engines,
• proper cooperation with the diesel engine control system,
• better engine response to load changes,
• maintaining correct airflow across the entire engine operating range.

For the user, this means more predictable vehicle behavior and a reduced risk of unplanned downtime related to intake system component failure.

Technical Characteristics and Installation

The air throttle body offered here is designed for installation at the front of the vehicle, in the air path leading to the diesel engine. The construction is prepared to work with factory solutions used in Audi and Volkswagen, which facilitates adaptation to the existing mechanical and electrical installation.

Before installation, it is recommended to:

• verify compatibility by OEM number or interchangeable numbers with the currently installed component,
• check the condition of electrical connectors and intake ducts,
• perform throttle body adaptation in the engine control unit, if the service procedure for the specific model provides for it.

This approach increases the chances of seamless integration with the control system and reduces the need for additional adjustments after installation.

Product Condition and Practical Application

The offered throttle body is a used component, allowing for economical repair of the intake system while maintaining the original part design. This solution is particularly beneficial for servicing vehicles used intensively, where reasonable maintenance costs are important while maintaining the appropriate quality of components.

In practice, such a component will be suitable for both a standard replacement of a damaged throttle body and for more extensive service work involving the intake system, manifold cleaning, or diagnostics of airflow problems. Selecting a component that matches the manufacturer's markings is crucial for correct cooperation with the engine electronics and avoiding diagnostic errors.

Expanding Knowledge and Selecting Used Components

If you want to better understand the principles of selecting used control elements and sensors, as well as gain practical tips on compatibility and installation, it is worth referring to the Global Parts guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as air throttle bodies, airflow control elements, or intake system components, check the available parts in the Audi Throttle Bodies category.