02E305051C 02E305051B 02E305051D DSG Transmission Filter for VW Tiguan and Golf: Diagnosis and OE Fitment Guide

QUICK ANSWER

A confirmed restricted, contaminated or overdue DSG transmission filter should be confirmed through physical inspection and the workshop checks appropriate to this component before a replacement part is ordered. The same symptom can have more than one cause, so compare the installed component, all OE references, connections and vehicle information.

WHAT THIS PART DOES

The DSG Transmission Filter filters debris from the specified transmission fluid circuit to support clean hydraulic and lubrication flow. Its role does not prove that it is the cause of a customer complaint; diagnosis must connect the observed fault to this component.

SYMPTOM SNAPSHOT

• Transmission service inspection finds a restricted or contaminated filter
• Shift quality concerns remain after fluid level, specification and fault checks
• Transmission fluid flow or cleanliness is outside the specified service condition
• The filter seal or housing interface is damaged during service

These symptoms are diagnostic clues, not a guarantee that this part has failed.

DIAGNOSIS BEFORE ORDERING

1. Identify the transmission code and service procedure before ordering a filter
2. Check fluid level, correct fluid specification, fault memory and service history
3. Inspect the removed filter, seal, housing and mating surface for contamination or damage
4. Distinguish the filter element from the pan gasket, housing, valve body or mechatronic fault
5. Compare filter profile, housing interface, transmission code, production date and every OE suffix
6. After installation, follow the specified fluid filling, temperature and leak-check procedure

OEM REFERENCE

• 02E305051C
• 02E305051B
• 02E305051D

Every verified OE reference from the product record is retained. Revision letters and alternate numbers must not be discarded during comparison.

VEHICLE APPLICATION REFERENCES

• VOLKSWAGEN Tiguan
• VOLKSWAGEN Golf
• VOLKSWAGEN Passat

Model names are reference points only. Production date, engine, market specification and connector changes can affect compatibility.

WHEN REPLACEMENT IS JUSTIFIED

Replacement is reasonable when inspection or workshop testing confirms damage or a functional failure that matches the role of this component. If the evidence conflicts with the product function, continue diagnosis instead of replacing the part.

RELATED PARTS TO INSPECT

• Transmission fluid, pan gasket and filter housing
• Valve body, mechatronic unit and hydraulic circuits
• Transmission code, service interval and stored diagnostic faults

VIN CHECK

Confirm fitment using OE number and VIN before ordering.

For fitment questions, share the OEM part number, VIN number, or vehicle information with our team before ordering.

CHECK THE PART AND OE DETAILS

Review 02E305051C / 02E305051B / 02E305051D product images and fitment details.

WORKSHOP AND BULK ORDERS

Repair shops and distributors can send an OE list, quantities and vehicle information for fitment review and bulk-order support.