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Details
| Specification | Value |
|---|---|
| Brand | FEBI BILSTEIN |
| Opening Temperature [°C] | 87 °C |
| Weight [kg] | 0.3 kg |
| Outer Diameter [mm] | 32.5 mm |
OE/OEM numbers (4)
Search by this OE number to find compatible parts
- AUDI / SEAT—03L 121 111 AD
- AUDI—03L 121 111 N
- AUDI / SEAT—3L 121 111 AD
- AUDI—3L 121 111 N
Where this part fits
Original-fit position for OE 03L121111N. The red ring marks where this part installs on the vehicle.
About this product
The FEBI BILSTEIN Thermostat Coolant (104761) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Opening Temperature [°C]: 87 °C, Weight [kg]: 0, Cast Iron kg, Outer Diameter [mm]: 32, Rubber mm, Housing Type: 0, Supplementary Article/Supplementary Info: 35. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit AUDI, SEAT models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 001-10-32095, 001-10-32144, 003-025-0003, 03L 121 111 AD and 120 more. Matching these numbers confirms a like-for-like replacement with no loss of function. FEBI BILSTEIN is a recognised supplier of automotive replacement 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.
About FEBI BILSTEIN
febi bilstein, founded in 1844 in Ennepetal, Germany, is one of the oldest and most comprehensive automotive parts suppliers in the independent aftermarket. febi bilstein offers over 40,000 parts spanning steering, suspension, engine, braking, cooling, and electrical systems. Certified to IATF 16949 and supplying OE-quality components, febi bilstein products undergo rigorous testing to match original equipment performance. With nearly 180 years of German engineering tradition, febi bilstein is the go-to brand for reliable, competitively priced replacement parts.
Suitable cars
Equivalent products (126)
Show all 126 OE numbers
Thermostat Coolant FEBI BILSTEIN 104761 — compatible car models
| Car models | AUDI: A4 Allroad B8 (8KH), A4 B8 (8K2), A4 B8 Avant (8K5), A5 (8T3), A5 Convertible (8F7), A5 Sportback (8TA), A6 C6 (4F2), A6 C6 Avant (4F5), A6 C7 (4G2, 4GC), A6 C7 Avant (4G5, 4GD) (+1 more); SEAT: EXEO (3R2), EXEO ST (3R5) |
|---|---|
| Engines | 2.0 TDI quattro; 2.0 TDI |
| Year of manufacture | 2004-2019 |
| Manufacturer article number (MPN) | 104761 |
| OE part numbers | 03L 121 111 AD, 03L 121 111 N, 3L 121 111 AD, 3L 121 111 N |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FEBI BILSTEIN 104761 . Housing Type: 0. Opening Temperature [°C]: 87 °C. Outer Diameter [mm]: 32,5 mm. Supplementary Article/Supplementary Info: 35. Weight [kg]: 0,3 kg
- 1x Thermostat Coolant
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 Thermostat Coolant compatible with my car?
This Thermostat Coolant fits AUDI, SEAT 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 FEBI BILSTEIN Thermostat Coolant have?
This FEBI BILSTEIN Thermostat Coolant has the following specifications: Opening Temperature [°C]: 87 °C; Weight [kg]: 0,3 kg; Outer Diameter [mm]: 32,5 mm; Housing Type: 0; Supplementary Article/Supplementary Info: 35. Check the full specifications table above for complete details.
What OE part numbers does this Thermostat Coolant replace?
This Thermostat Coolant replaces OE part numbers: 03L 121 111 AD, 03L 121 111 N, 3L 121 111 AD, 3L 121 111 N. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Thermostat Coolant cost?
This FEBI BILSTEIN Thermostat Coolant is available for £38.99. Thermostat Coolant prices vary depending on brand, specifications, and vehicle compatibility. FEBI BILSTEIN parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Thermostat Coolant?
Symptoms include engine overheating, heater not producing warm air, temperature gauge fluctuations, or coolant leaks near the thermostat housing.
What tools do I need to replace a Thermostat Coolant?
Tools needed: hose clamp pliers, 8-10mm socket, torque wrench, drain pan, new coolant. Difficulty: Moderate DIY. Safety warning: Never open the cooling system on a warm or hot engine -- coolant is under pressure and causes scalding. Always use the correct coolant specification to avoid corrosion with aluminium engine components.
Can I use this part as a replacement for OE 03L 121 111 AD?
Yes, this FEBI BILSTEIN Thermostat Coolant is a direct replacement for OE part number 03L 121 111 AD. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
