Volkswagen Polo Mk5 Seat Ibiza 4 1.4 TDI Complete Engine CUSA 75HP 65k, WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The warranty covers the engine itself; engine accessories are covered by a 30-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a complete engine.

The engine comes from a right-hand drive (RHD) vehicle. The wiring harness is not compatible with left-hand drive (LHD) vehicles and requires replacement or modification.

Volkswagen Polo Mk5 Seat Ibiza 4 1.4 TDI Complete Engine CUSA 75HP 65k, WARRANTY is a complete powertrain from the TDI family, designed for modern, urban models of the Volkswagen group. The unit with the CUSA code ensures economical diesel operation while maintaining the good dynamics and refinement characteristic of three-cylinder engines of this generation. This is a solution for users looking for a proven, factory-spec engine for professional repair or replacement.

Specifications and technical data

• SKU: 04B100090-1
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 04B100090
• Substitutable numbers: 04B100090, 04B 100 090, 04B100090X, 04B 100 090 X
• Fuel type: Diesel
• Number of cylinders: 3
• Category: Engines
• Engine code: CUSA
• Mileage: 65 000

Technical characteristics of the CUSA 1.4 TDI engine

The 1.4 TDI engine family with the CUSA code is a modern, three-cylinder diesel unit designed for low fuel consumption and reduced exhaust emissions. The use of a three-cylinder layout allows for weight reduction and lower internal friction, which translates into responsive throttle performance and favorable operating parameters in both urban and suburban traffic. The unit runs on Diesel fuel, which, combined with the appropriate torque characteristics, ensures flexibility in everyday driving.

The CUSA engine is a design used as standard in B-segment models of the group, such as the Polo Mk5 and Ibiza 4, which guarantees compatibility with factory control, cooling, and fuel supply systems. As a result, installation in a vehicle for which this unit was intended proceeds in an orderly manner and in accordance with the manufacturer's specifications.

Application in Volkswagen Polo Mk5 and Seat Ibiza 4

The offered complete engine is intended for Volkswagen Polo Mk5 and Seat Ibiza 4 vehicles factory-equipped with the CUSA engine code. This configuration allows for maintaining the original handling, acceleration, and powertrain performance characteristics without the need for structural modifications. The Engines category includes components essential for restoring full vehicle functionality after an engine failure or during a planned replacement.

The complete engine is suitable for both post-accident repairs and unit replacement due to wear and tear. Using an original unit from the same family ensures compatibility with factory electronics and auxiliary equipment, which is important from the perspective of diagnostics, service, and future vehicle resale.

Condition, mileage, and benefits of purchasing a used engine

The offered engine falls into the category of used power units, meaning it was previously operated in a vehicle but has been designated for re-installation after verifying its suitability. The declared mileage allows for assessing the degree of wear in the context of further operation and planning periodic maintenance after installation. Choosing a used engine that maintains consistency in technical parameters with the vehicle's factory specification is often an economically advantageous solution compared to purchasing a new unit.

With proper installation and the use of appropriate operating fluids and service procedures, a used CUSA 1.4 TDI engine can provide long-term, stable operation. For workshops and individual users, this means the possibility of restoring full vehicle functionality while maintaining a reasonable level of repair costs.

Selection by VIN/OEM and technical support

To correctly select the power unit for a specific Polo Mk5 or Ibiza 4 model, it is recommended to verify compatibility using the VIN and engine code. This helps avoid issues with the compatibility of auxiliary equipment, wiring harnesses, and control units. In case of doubt, it is worth using the selection procedures described in our expert guide – detailed information, examples, and a discussion of the most common myths regarding used power units can be found in the article Why it is worth buying used gearboxes and engines – facts instead of myths.

Expanding work in the powertrain area

If you are planning a comprehensive repair or upgrade of the engine area in your Volkswagen and need other components from the same group, such as additional power units, blocks, or complete engine assemblies, check out the available parts in the Volkswagen Engines category.