Audi S3 8V 2.0 TFSI DJHA Petrol Engine Crankshaft Sprocket Pulley 06H105209AT

Audi S3 8V 2.0 TFSI DJHA Petrol Engine Crankshaft Sprocket Pulley is a precision timing system component designed for petrol engines, engineered in accordance with Audi manufacturer standards. It is responsible for stable power transmission within the crankshaft, which directly impacts the engine's performance and durability. This used component from the Sprockets category provides a functional service solution for demanding users of S3 8V models with the 2.0 TFSI DJHA unit.

Specifications and technical data

• SKU: 06H105209AT
• Mark: Audi
• Condition: Used
• OEM Part Number: 06H105209AT
• Substitutable numbers: 06H105209AT, 06H 105 209 AT
• Fuel type: Petrol
• Category: Sprockets

Purpose and function in a petrol engine

The Audi S3 8V 2.0 TFSI DJHA crankshaft sprocket pulley operates in an engine powered by petrol, where precise synchronization of the crankshaft and camshafts is crucial. A properly selected sprocket pulley ensures:

• stable torque transmission in the timing system,
• maintenance of correct valve timing under various loads,
• reduction of unwanted play and noise during mechanism operation.

By maintaining factory tooth geometry and appropriate rigidity, this component supports the smooth operation of the 2.0 TFSI unit, which translates into predictable performance and correct interaction with the engine control electronics.

Technical characteristics and fitment

The crankshaft sprocket pulley from this offer comes from the group of original Audi components, which means it retains the correct tooth profile, diameter, and mounting method intended for the DJHA unit. This type of solution minimizes the risk of compatibility issues that can occur with aftermarket parts of uncertain origin.

The component is structurally prepared to work in the dynamically loaded timing system of a petrol engine, where the following are essential:

• resistance to variable mechanical loads,
• dimensional stability over a wide temperature range,
• repeatability of parameters over a long service life.

As a result, the sprocket pulley can be used both for standard road driving and in more demanding usage conditions typical for S3 versions.

Condition, service application, and benefits of installation

The offered crankshaft sprocket pulley is a used component, making it an attractive cost-effective alternative to new parts while maintaining the manufacturer's original specifications. This type of component is particularly useful in situations where:

• it is necessary to replace a damaged or worn sprocket in an existing timing system,
• repairs are being carried out on a 2.0 TFSI DJHA unit after a mechanical failure,
• maintaining the original engine performance characteristics is essential.

A properly selected sprocket pulley reduces the risk of timing misalignment, which is important for the safety of valves, pistons, and the overall durability of the engine. Installing an original component allows you to maintain engine performance parameters at a level close to factory standards.

Workshop practice and part selection

In a professional Audi S3 8V 2.0 TFSI DJHA service, the crankshaft sprocket pulley is treated as an important element during major timing system overhauls. When selecting parts, it is worth paying attention to:

• compatibility with the DJHA engine unit,
• fuel type – in this case, a petrol engine,
• the origin of the element from the Audi component group.

This approach facilitates maintaining the integrity of the entire timing system, which is particularly important in modern TFSI units that are sensitive to deviations in mechanical synchronization.

System expansion and related components

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 sprockets, mating gears, or related timing drive components, check out the available parts in the Audi Sprockets category.

For users who want to better understand how to effectively select original used components for popular models, our guide may be helpful: Best used car parts – a guide to the most frequently chosen original parts for popular car makes and models.