VW Golf MK7 Audi A3 8V Seat Leon Bare Engine DDYA 1.6 TDI 115HP 45k, WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

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

Listing details

The offer applies to a bare engine.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

VW Golf MK7 Audi A3 8V Seat Leon Bare Engine DDYA 1.6 TDI 115HP 45k, WARRANTY is a used, factory-original engine block from the VAG group, designed for modern diesel units. This bare engine base with the DDYA code provides a solid foundation for professional repair or a complete rebuild of the powertrain, while maintaining original performance characteristics. By preserving factory parameters, this engine block allows for precise fitment in Volkswagen/Audi/Seat vehicles.

Specifications and technical data

• SKU: 04L100091D
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L100091D
• Substitutable numbers: 04L100091D, 04L 100 091 D, 04L100091DX, 04L 100 091 DX
• Fuel type: Diesel
• Number of cylinders: 4
• Part type: Engine Long Block
• Category: Engines
• Engine code: DDYA
• Mileage: 45 000

Technical characteristics of the DDYA 1.6 TDI engine block

The presented engine block belongs to the Engines category and is intended for diesel units used in vehicles such as the VW Golf MK7, Audi A3 8V, and Seat Leon. The four-cylinder design ensures a balanced combination of economy and adequate dynamics, while the modern block architecture allows for efficient cooperation with the injection equipment and turbocharging system intended for this generation of TDI.

A bare engine block means it serves as the base component of the powertrain – the block with the cylinder assembly and essential moving parts – prepared for transferring accessories from an existing unit or for further assembly according to workshop requirements. This configuration is particularly beneficial for repairs where the existing accessories are functional, but the base engine part has been damaged.

Application in VW Golf MK7, Audi A3 8V and Seat Leon

The DDYA 1.6 TDI engine block is designed for installation in popular VAG group compact models, such as the VW Golf MK7, Audi A3 8V, and Seat Leon. Using an original unit from the same engine code family allows for maintaining factory operating characteristics, compatibility with vehicle electronics, and proper functioning of onboard systems.

In practice, this means the possibility of:

• restoring serial performance declared for the 115 HP version,
• maintaining compatibility with factory engine control unit maps,
• reducing the need for adaptation and modifications to the vehicle's installation.

For workshops specializing in the Audi brand and other VAG group vehicles, such a block provides a predictable base for repair, without the risks typical of non-original replacements.

Benefits of choosing a used engine block

A used 1.6 TDI engine block is a solution that allows for significantly lower repair costs compared to purchasing a complete, new engine. At the same time, the original construction is preserved, which facilitates installation and subsequent operation. In the case of this unit, the mileage is relatively low for a diesel engine, which increases the potential for long-term operation after proper installation and servicing.

An additional advantage is the ability to use existing accessories from the damaged engine – injectors, turbocharger, manifolds, or auxiliary equipment – which allows for optimizing the repair budget and maintaining the vehicle configuration consistent with its service history.

To better understand the differences between purchasing a used engine block versus a complete engine and to learn about selection procedures based on OEM and VIN numbers, it is worth checking out our expert guide Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses the practical aspects of such investments.

Professional application and OEM selection

This engine block is particularly recommended for workshops and service centers that prioritize technically correct repairs using original design solutions. The presence of the OEM part number and interchangeable numbers in the technical specification facilitates precise verification of compatibility with a specific vehicle configuration, which minimizes the risk of errors when ordering.

When selecting a unit, it is worth paying attention to:

• the compatibility of the engine code with the factory car configuration,
• fuel type and cylinder architecture,
• operating history and mileage declared in the specification.

Such an approach allows for preparing the repair in a predictable manner, maintaining operating parameters close to factory standards and without the need for ECU software interference beyond standard adaptation procedures.

Expanding powertrain repairs for Audi

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 blocks, cylinder heads, or complete power units, check out the available parts in the Audi Engines category.