OEM Part Numbers

Technical Specifications

Product Description

This original used 02E325025AL hydraulic block is the core hydraulic body for selected 6-speed DSG DQ250 mechatronics systems with wet clutch. It is supplied without electrovalves and without TCU, as a bare hydraulic block for specialised rebuild applications. 

What This Hydraulic Block Is Used For

• Serves as the base hydraulic body for DQ250 mechatronics rebuild
• Supports installation of original or replacement electrovalves and components
• Used in professional mechatronics overhaul and repair work
• Allows reuse of existing compatible valves and electronics where appropriate
• Intended for specialist workshops and transmission rebuilders

Vehicle Compatibility

The 02E325025AL hydraulic block is suitable for selected vehicles equipped with 6-speed DSG DQ250 wet clutch transmission. Public references list broad VW Group coverage across Volkswagen, Audi, Škoda and SEAT models. 

Suitable for Selected Vehicle Models

Common Fault Codes & Symptoms Leading to Block Replacement

DQ250 mechatronics hydraulic faults can cause pressure problems, shifting issues and transmission emergency mode. Hydraulic block replacement is often part of a complete mechatronics rebuild when internal wear or damage is present. Public DQ250 repair sources describe pressure-related faults and reduced-function conditions linked to mechatronics hydraulic failures. 

Installation & Service Notes

Recommended Steps

• Verify the exact DQ250 mechatronics version before starting rebuild
• Inspect the original hydraulic block for internal wear or damage
• Reuse compatible original electrovalves where appropriate
• Install the replacement hydraulic block using correct assembly procedures
• Replace all required seals and gaskets during reassembly
• Perform adaptation and fault clearing after installation

Why Hydraulic Block Quality Matters

1. Hydraulic Foundation

The hydraulic block is the core body that supports all internal hydraulic circuits inside the mechatronics unit.

2. Pressure Stability

A sound hydraulic block is essential for stable pressure control and proper DSG function.

3. Rebuild Quality

Using a tested replacement block can form the foundation of a high-quality mechatronics rebuild.

4. Long-Term Reliability

A correct, undamaged hydraulic block helps support long-term reliability of the DQ250 transmission.

Quality Assurance & Warranty

6-Month Warranty: This used original hydraulic block is supplied with a 6-month functionality warranty under normal operating conditions.

Warranty Coverage Includes:

• Functional defects of the supplied hydraulic block itself
• Material defects under normal use
• Basic operational functionality of the tested replacement part

Warranty Exclusions:

• Incorrect assembly or installation
• Damage caused by incompatible valves, seals or electronics
• Faults caused by incorrect rebuild procedures or contamination
• Physical damage or misuse

Questions or Need Help?

Our technical team is ready to assist with compatibility checks, rebuild guidance and product selection.

Important Purchase Information

• Please verify this hydraulic block fits your specific mechatronics version before placing an order
• This product is a hydraulic block only, without electrovalves and without TCU
• Professional rebuild and installation are strongly recommended
• Photos are for illustrative purposes only
• Worldwide shipping is available
• If your country is not listed at checkout, contact us and the order can be processed manually
• Please check carefully whether this product matches your gearbox version before ordering