Audi TT FV A3 8V VW Golf Mk7 2.0 TDI Complete Engine CUNA New Timing 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.

Audi TT FV A3 8V VW Golf Mk7 2.0 TDI Complete Engine CUNA New Timing WARRANTY is a complete powertrain from the TDI family, designed for modern VAG group models. The unit with the CUNA code, powered by diesel fuel, provides an efficient, economical, and dynamic power source for vehicles such as the Audi TT, Audi A3 8V, or VW Golf Mk7. This is a solution for users looking for a technically refined engine with a new timing belt/chain already installed.

Specifications and technical data

• SKU: 04L100090N-3
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L100090N
• Substitutable numbers: 04L100090N, 04L 100 090 N, 04L100090NX, 04L 100 090 NX
• Fuel type: Diesel
• Number of cylinders: 4
• Color: Red
• Category: Engines
• Engine code: CUNA
• Mileage: 95 000

Technical characteristics of the CUNA 2.0 TDI engine

The CUNA engine belongs to the modern generation of 2.0 TDI diesel units, widely used in the MQB platform. The design, based on four cylinders in an inline arrangement and precise diesel fuel injection, ensures good operating culture and stable performance parameters. The unit was designed to combine reasonable fuel consumption with adequate dynamics, which works well both in the lightweight Audi TT and the more utilitarian VW Golf Mk7.

In this particular unit, a key advantage is the new timing, which significantly reduces the risk of failure in one of the engine's most heavily loaded systems and lowers post-installation service costs.

Scope of application – Audi TT, A3 8V, VW Golf Mk7

The presented complete engine is intended for VAG group models that were factory-equipped with the CUNA engine code. This includes, among others:

• the sporty Audi TT FV generation,
• the compact Audi A3 8V in various body styles,
• the popular VW Golf Mk7 in 2.0 TDI engine variants.

Thanks to this, the engine is a practical solution both for replacing a unit after a failure and for a comprehensive powertrain rebuild in cars used intensively, e.g., in fleets or on long routes.

Condition, mileage, and preparation for installation

The unit comes from the Engines category and is offered as a used component, which allows for a significant reduction in repair costs compared to a brand-new assembly. The declared mileage of the engine is known, which facilitates the assessment of its potential for further operation and the planning of future maintenance. The presence of a new timing system is a significant advantage – it eliminates the need for immediate replacement of this component after installation.

A complete engine means you receive a ready-to-use powertrain that, after proper installation and basic service, can be quickly started in the target vehicle. This solution reduces vehicle downtime in the workshop and simplifies repair logistics.

Benefits of choosing a complete 2.0 TDI CUNA engine

Choosing a complete 2.0 TDI CUNA engine for an Audi or VW primarily means:

• structural consistency – a unit designed at the factory to work with the accessories and electronics of the TT, A3 8V, and Golf Mk7 models,
• repair cost optimization – a used, complete powertrain with a new timing system reduces the number of additional parts and labor hours required,
• stable operating parameters typical of modern 2.0 TDI diesel engines,
• the possibility of continued, scheduled maintenance instead of a costly rebuild of an old unit.

Additionally, thanks to the uniform technical platform of the VAG group, the CUNA engine is well-known to workshops specializing in Audi and VW, which facilitates diagnostics and subsequent service.

Audi engines – expansion and modernization of the powertrain

If you are planning a comprehensive repair or modernization of the engine area in your Audi and need other components from the same group, such as blocks, cylinder heads, or complete powertrains, check out the available parts in the Audi Engines category.

Technical support and knowledge about power units

When planning an engine replacement, it is worth knowing the typical design problems of various engines to consciously choose the right solution and avoid recurring faults. A good point of reference is an article describing critical units in popular models – for example, to see how specific designs can generate unforeseen costs, you can read the material Emergency BMW E90 engines: check what can ruin your budget!. This allows you to better assess how important it is to choose the right engine and check its condition before installation.

If you want to reduce vehicle downtime in the workshop and want to better understand how a wide, well-selected assortment affects repair time, the guide how a wide assortment in one warehouse shortens car downtime at the mechanic, which shows the practical aspects of used parts logistics, will also be helpful.