VW Seat Skoda 1.2 2.0 TDI CFWA Diesel Throttle Body Valve Flap 03L128063R

VW Seat Skoda 1.2 2.0 TDI CFWA Diesel Throttle Body Valve Flap is an intake system component designed for diesel engines, responsible for precise airflow control. Thanks to its factory design for the VAG group and specific application for TDI units, this diesel engine throttle body ensures stable engine operation and proper communication with the control electronics. The used condition of the part allows for an economical yet technically sound repair of the intake system.

Specifications and technical data

• SKU: 03L128063R
• Mark: Audi
• Condition: Used
• OEM Part Number: 03L128063R
• Substitutable numbers: 03L128063R, 03L 128 063 R, 03L128063AC, 03L 128 063 AC
• Fuel type: Diesel
• Category: Throttle Bodies

Purpose and role in the intake system

The described throttle body operates in the diesel engine fuel system, where it is responsible for controlling the amount of air supplied to the cylinders. In TDI units, this component works with the exhaust gas recirculation system and the engine control unit, influencing engine refinement, reducing vibrations during shutdown, and maintaining idle stability. Using the correct throttle body is crucial for maintaining proper combustion parameters and the correct operation of the turbocharger.

Benefits of using an original throttle body

Choosing a throttle body dedicated to a specific family of TDI engines allows you to maintain the factory operating characteristics of the power unit. Proper matching in terms of channel diameter, flap operating range, and sensor compatibility translates into:

• stable idle speed and predictable response to load,
• proper cooperation with the engine control unit software,
• reduction of diagnostic errors related to the intake system,
• maintenance of proper combustion parameters in the diesel engine.

As a result, installing such a throttle body is a technically safe solution that complies with the vehicle manufacturer's specifications.

Product characteristics and fitment

The throttle body belongs to the Throttle Bodies category, meaning it has been designed to operate in the demanding thermal and mechanical conditions of the intake system. The construction intended for diesel engines ensures resistance to contaminants typical of TDI units and compatibility with accessories used in VAG group vehicles. The used condition of the part allows for service cost optimization while maintaining the functionality required for daily operation.

Why consider a used part

For components such as the throttle body, using a verified used part is often a reasonable compromise between cost and repair effect. Original components from dismantling retain their factory design parameters, which facilitates installation and reduces the risk of fitment issues. For those who want to learn more about selecting used powertrain components and accessories, the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses, among other things, the importance of OEM numbers and part selection procedures, may be useful.

Expanding the intake system in Audi

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