Audi A1 8X 1.4 TFSI CZCA Petrol Turbo Turbocharger 04E145721R

The Audi A1 8X 1.4 TFSI CZCA petrol turbocharger is an original equipment turbocharger designed for the TFSI engine in the Audi A1 8X generation. This used OEM unit ensures factory fit, stable operating parameters, and the ability to efficiently replace a worn turbocharger without altering the engine's design.

Specifications and technical data

• SKU: 04E145721R
• Mark: Audi
• Condition: Used
• OEM Part Number: 04E145721R
• Substitutable numbers: 04E145721R, 04E 145 721 R
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and compatibility

This turbocharger for the Audi A1 8X 1.4 TFSI CZCA is designed specifically for the direct injection and supercharged gasoline engine. Using an original unit from the same family guarantees:

• correct fit to the exhaust manifold and intake system,
• compatibility with factory engine management and boost maps,
• maintaining the standard performance and operating culture of the drive unit.

By maintaining the factory specifications, installation does not require any system modifications or mechanical adaptations beyond the standard turbocharger replacement procedure.

Technical characteristics and construction

The turbocharger operates within the gasoline engine's turbocharging system, supporting efficient cylinder charging and improving the efficiency of the TFSI engine. The OEM design ensures:

• stable boost pressure across the full rev range,
• optimized exhaust gas flow through the hot side,
• efficient operation of the rotor on the intake air compression side.

This solution allows the factory power and torque parameters to be maintained, while maintaining reasonable fuel consumption typical of TFSI units.

Condition, origin and advantages of a used turbocharger

The turbocharger offered is in used condition, meaning it was dismantled from a vehicle and has been inspected for continued serviceability. Choosing this solution means:

• an economical alternative to a new turbine while maintaining the original specifications,
• factory fit with Audi A1 8X engine accessories,
• the ability to restore the proper operation of the charging system without costly modifications.

A used OEM turbocharger is particularly attractive to owners of cars from the youngtimer segment, where a reasonable repair cost while maintaining the original character of the vehicle is important.

Benefits of installation in the Audi A1 8X 1.4 TFSI CZCA

Replacing a worn or damaged turbine with a working OEM component allows you to:

• reduce power drops and acceleration problems,
• reduce the risk of overcharging or undercharging the engine,
• stabilize the operation of the drive unit in the full load range.

For users planning to keep their Audi A1 8X for a longer period of time, installing the original turbocharger is a sensible way to maintain predictable performance and correct throttle response, without experimenting with substitutes with uncertain characteristics.

Related Audi turbochargers and used parts knowledge

If you're looking for other turbochargers for Audi, check out our dedicated category: Audi turbochargers . There you'll find a wide selection of units for various models and engine versions of this brand.

For owners of cars with model years similar to the Audi A1 8X, we also recommend an article describing how to wisely use the salvage parts market: "The Second Life of a Youngtimer – How Used Car Parts Rejuvenate Cars from 1998–2012 ." This is a practical source of knowledge about the selection, compatibility, and planning of retrofits using used components.