Audi A6 C7 2.0 TDI Diesel Complete Engine CGLC 177HP with 99k miles, 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 A6 C7 2.0 TDI Diesel Complete Engine CGLC 177HP with 99k miles, WARRANTY is a complete powertrain from the TDI family, designed for the Audi A6 C7 generation models. The unit with the CGLC code belongs to the popular series of four-cylinder diesel engines, valued for their good refinement, reasonable fuel consumption, and stable performance in daily operation.

Specifications and technical data

• SKU: 03L100035M-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 03L100035M
• Substitutable numbers: 03L100035M, 03L 100 035 M, 03L100091EX, 03L 100 091 EX
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Engine code: CGLC
• Mileage: 99 000

Technical characteristics of the CGLC unit

The TDI family engine used in the Audi A6 C7 is a four-cylinder construction designed for efficient diesel combustion and maintaining proper flexibility across the entire rev range. The use of a modern injection system and turbocharging (typical for this generation of TDI) allows for achieving 177 HP while maintaining reasonable fuel consumption, which works well both on the highway and in city driving.

The CGLC unit is widely described in Audi service documentation and technical forums as an engine with well-known maintenance procedures, which facilitates diagnostics and service in specialized workshops. This makes it easier to plan a maintenance schedule and anticipate typical operational tasks.

Purpose and application in the Audi A6 C7

The presented complete engine was developed for installation in the Audi A6 C7 model, where it is responsible for propulsion in the popular 2.0 TDI configuration. Such a configuration is often chosen by drivers covering high mileages who expect a balance between dynamics and economy. The unit works well with both manual and automatic transmissions used in this generation of A6 (in accordance with Audi's factory configurations).

The complete engine is a suitable choice for major repairs, such as replacing a damaged powertrain after a mechanical failure or collision. Using a complete unit allows for reducing vehicle downtime and simplifying the installation process compared to repairing many components separately.

Condition, mileage, and operational aspect

The offered engine belongs to the category of used powertrains, which means it comes from a previously operated vehicle. The declared mileage of the unit is important information when planning further operation and any preventive measures after installation, such as replacing consumables or checking accessories.

When installing a used engine in an Audi A6 C7, standard service procedures are recommended: changing oil and filters, checking the cooling system, verifying the tightness of the intake and exhaust systems, and checking accessory components in accordance with the manufacturer's recommendations. This approach increases the chance of trouble-free operation of the unit in the coming years of use.

Benefits of choosing a complete diesel engine for Audi

Choosing a complete diesel engine for the Audi A6 C7 brings several practical benefits:

• simplified installation process compared to repairs spread across many components,
• consistency of components within a single powertrain,
• possibility of restoring full vehicle efficiency after a major engine failure,
• easier planning of further service maintenance thanks to the well-documented TDI design.

For users who use their Audi intensively, the stability of the diesel engine's operation and predictable maintenance costs are particularly important. The CGLC unit, as a popular variant in the A6 C7, is well known to independent service centers, which makes it easier to find a workshop with experience in this specific configuration.

Engines and the risk of failure – knowledge when buying

When choosing a used engine, it is worth knowing the specifics of different designs used in other brands to consciously assess the advantages of units mounted in Audi. A good point of reference can be the analysis of typical problems in other popular premium class models – they are discussed in detail in the article Faulty BMW E90 engines – a practical guide to problematic units. This allows for a better understanding of what to pay attention to when buying and installing a used engine and how to minimize the risk of unplanned costs.

Audi engines – selection of elements from the same group

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