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Details
| Specification | Value |
|---|---|
| Brand | ERT |
| for OE number | 4D0611021A |
| Diameter [mm] | 25 mm |
| Brake System | LUCAS |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- VAG—4D0611021
- VAG—4D0611021A
Where this part fits
Original-fit position for OE 4D0611021. The red ring marks where this part installs on the vehicle.
About this product
ERT Repair Kit Brake Master Cylinder (200011) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — for OE number: 4D0611021A, Diameter [mm]: 25 mm, Brake System: LUCAS — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with AUDI, VW vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 125040, 132952B, 200011, 24.2125-1713.3 and 3 more. Matching these numbers confirms a like-for-like replacement with no loss of function. ERT is a recognised supplier of automotive braking components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
Suitable cars
Equivalent products (5)
Repair Kit Brake Master Cylinder ERT 200011 — compatible car models
| Car models | AUDI: A4 B5 (8D2), A4 B5 Avant (8D5), A6 C5 (4B2, 4B4), A6 C5 Avant (4B5, 4B6), A8 D2 (4D2, 4D8), ALLROAD C5 (4BH); VW: PASSAT B5 (3B2), PASSAT B5 Variant (3B5) |
|---|---|
| Engines | 1.6; 1.8; 2.5 TDI; 2.5 TDI quattro |
| Year of manufacture | 1994-2006 |
| Manufacturer article number (MPN) | 200011 |
| OE part numbers | 4D0611021, 4D0611021A |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
ERT 200011 . Brake System: LUCAS. Diameter [mm]: 25 mm. for OE number: 4D0611021A
- 1x Repair Kit Brake Master Cylinder
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Repair Kit Brake Master Cylinder compatible with my car?
This Repair Kit Brake Master Cylinder fits AUDI, VW vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this ERT Repair Kit Brake Master Cylinder have?
This ERT Repair Kit Brake Master Cylinder has the following specifications: for OE number: 4D0611021A; Diameter [mm]: 25 mm; Brake System: LUCAS. Check the full specifications table above for complete details.
What OE part numbers does this Repair Kit Brake Master Cylinder replace?
This Repair Kit Brake Master Cylinder replaces OE part numbers: 4D0611021, 4D0611021A. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Repair Kit Brake Master Cylinder cost?
This ERT Repair Kit Brake Master Cylinder is available for £25.99. Repair Kit Brake Master Cylinder prices vary depending on brand, specifications, and vehicle compatibility. ERT parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Repair Kit Brake Master Cylinder?
Regular inspection of your Repair Kit Brake Master Cylinder is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Repair Kit Brake Master Cylinder?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Repair Kit Brake Master Cylinder fitted by a professional mechanic.
Can I use this part as a replacement for OE 4D0611021?
Yes, this ERT Repair Kit Brake Master Cylinder is a direct replacement for OE part number 4D0611021. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
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