Audi A4 A5 B8 Q5 8R Engine Piston Connecting Rod Conrod 2.0 TDI 04L107065R

Audi A4 A5 B8 Q5 8R Engine Piston Connecting Rod Conrod 2.0 TDI is an original component from the Pistons and rings group, designed for Audi diesel engines. This used OEM part ensures factory geometry, proper fitment within the cylinder, and the maintenance of the engine's operating parameters. It is a solution for users looking to restore engine performance while maintaining compliance with Audi's factory standards.

Specifications and technical data

• SKU: 04L107065R
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L107065R
• Substitutable numbers: 04L107065R, 04L 107 065 R
• Fuel type: Diesel
• Category: Pistons & Rings

Purpose and compatibility

The presented piston is dedicated to 2.0 TDI units in Audi A4, Audi A5 (B8 generation), and Audi Q5 8R models powered by diesel fuel. The design corresponds to the solutions used as factory equipment in this series of diesel engines, which facilitates installation and allows for the preservation of the original operating parameters of the piston-crank system.

By maintaining the geometry of the piston crown, skirt guidance, and weight specific to Audi, the piston works correctly with the crankshaft, connecting rod, and fuel injection system, reducing the risk of vibrations and uneven engine operation.

Technical characteristics of the 2.0 TDI piston

As a component designed for a diesel engine, the piston has been engineered to withstand the high combustion pressures and thermal loads typical of TDI units. The properly shaped combustion chamber in the piston crown supports correct air-fuel mixture formation, which translates into stable compression ignition and proper engine refinement.

In practice, this means:

• maintaining the correct compression ratio in the cylinder,
• proper cooperation with high-quality piston rings,
• the ability to maintain factory power and torque parameters (provided other components are in good working order).

The original construction also promotes even heat distribution within the piston, which is important for the durability of the ring grooves and limiting oil consumption.

Application in Audi diesel engine repairs

The 2.0 TDI piston is suitable for partial and major overhauls of engines where it is necessary to replace individual components of the piston-crank system. The used OEM part allows for:

• restoring correct compression in a given cylinder,
• reducing smoke and power loss resulting from excessive wear of the old piston,
• maintaining compliance with Audi's factory dimensional tolerances.

For workshops specializing in Audi diesel engines, this is a practical solution that enables economical repair while maintaining high-quality components.

Part condition and installation aspects

The offered piston is a used item, which in practice means that before installation, its wear should be standardly verified in terms of ring end gap, working diameter, and any signs of overheating. A properly selected and inspected piston, installed with appropriate rings and following assembly procedures, allows for safe engine operation in daily use.

Due to the specific nature of TDI units, installation is recommended at a specialized service center that has the appropriate measuring tools and experience in repairing Audi diesel engines.

Selection of OEM parts and technical knowledge

When selecting a piston for a specific vehicle, it is worth using Audi catalog data and OEM numbers to avoid dimensional discrepancies between the cylinder and the piston. Proper fitment is crucial for engine durability, noise levels, and oil consumption.

If you are interested in a broader context regarding the selection of original components for Audi units and practical tips on used OEM parts, the following article will be helpful: The Audi five-cylinder engine – a legend from Quattro to RS3 and how to care for it using original Audi parts.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as additional pistons, ring sets, or compatible pins, check the available parts in the Audi pistons and rings category.