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Details
| Specification | Value |
|---|---|
| Brand | FEBI BILSTEIN |
| Length [mm] | 108 mm |
| Weight [kg] | 0.08 kg |
| Thread Length [mm] | 70 mm |
| Screw length below head [mm] | 96 mm |
| External Thread Size | M11 x 1.5 |
OE/OEM numbers (8)
Search by this OE number to find compatible parts
- AUDI / SEAT / VW—049 103 384 B
- AUDI / SEAT / VW—049 103 384 B1
- AUDI / SEAT / VW—049 103 385 A
- AUDI / SEAT / VW—049 103 385 C
- AUDI / SEAT / VW—49 103 384 B
- AUDI / SEAT / VW—49 103 384 B1
- AUDI / SEAT / VW—49 103 385 A
- AUDI / SEAT / VW—49 103 385 C
Where this part fits
Original-fit position for OE 049103384B. The red ring marks where this part installs on the vehicle.
About this product
FEBI BILSTEIN Cylinder Head Bolt (06666) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Length [mm]: 108 mm, Weight [kg]: 0, 08 kg, Bolt Head-/Nut Design: Copper, Surface: Nylon, Bolt/Nut Version: 31 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with AUDI, SEAT, 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: 016228B, 016229B, 049 103 384 B, 049 103 384 B1 and 43 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 (39)
Show all 39 OE numbers
Cylinder Head Bolt FEBI BILSTEIN 06666 — compatible car models
| Car models | AUDI: 100 C2 Avant (435, 436), 100 C2 Saloon (431, 433, 434), 100 C3 Avant (445, 446), 100 C3 Saloon (443, 444), 100 C4 Avant (4A5), 100 C4 Saloon (4A2), 200 C3 Avant (447, 448), 200 C3 Saloon (447, 448), 80 B1 Saloon (80, 82), 80 B2 Saloon (811, 813, 814, 819, 853) (+12 more); SEAT: ALHAMBRA (7V8, 7V9), ALHAMBRA VAN (7V8, 7V9), CORDOBA (6K1, 6K2), CORDOBA Vario (6K5), IBIZA II (6K1), INCA (6K9), TOLEDO I (1L2); VW: CADDY I (14) |
|---|---|
| Engines | 1.6; 1.8; 2.0 E; 2.0; 2.2 Turbo; 2.2; 1.3; 1.6 E; 1.8 E; 2.0 i; 1.4 i; 1.6 i; 1.0; 1.5 |
| Year of manufacture | 1972-2010 |
| Manufacturer article number (MPN) | 06666 |
| OE part numbers | 049 103 384 B, 049 103 384 B1, 049 103 385 A, 049 103 385 C, 49 103 384 B, 49 103 384 B1, 49 103 385 A, 49 103 385 C |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FEBI BILSTEIN 06666 . Bolt Head-/Nut Design: 4. Bolt/Nut Version: 31. External Thread Size: M11 x 1,5. Length [mm]: 108 mm. Number of bolts/screws: 10. Screw length below head [mm]: 96 mm. Surface: 14. Thread Length [mm]: 70 mm
- 1x Cylinder Head Bolt
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 Cylinder Head Bolt compatible with my car?
This Cylinder Head Bolt fits AUDI, SEAT, 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 FEBI BILSTEIN Cylinder Head Bolt have?
This FEBI BILSTEIN Cylinder Head Bolt has the following specifications: Length [mm]: 108 mm; Weight [kg]: 0,08 kg; Bolt Head-/Nut Design: 4; Surface: 14; Bolt/Nut Version: 31; Thread Length [mm]: 70 mm. Check the full specifications table above for complete details.
What OE part numbers does this Cylinder Head Bolt replace?
This Cylinder Head Bolt replaces OE part numbers: 049 103 384 B, 049 103 384 B1, 049 103 385 A, 049 103 385 C, 49 103 384 B, 49 103 384 B1, 49 103 385 A, 49 103 385 C. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Cylinder Head Bolt cost?
This FEBI BILSTEIN Cylinder Head Bolt is available for £2.99. Cylinder Head Bolt 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 Cylinder Head Bolt?
Regular inspection of your Cylinder Head Bolt 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 Cylinder Head Bolt?
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 Cylinder Head Bolt fitted by a professional mechanic.
Can I use this part as a replacement for OE 049 103 384 B?
Yes, this FEBI BILSTEIN Cylinder Head Bolt is a direct replacement for OE part number 049 103 384 B. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the FEBI BILSTEIN 06666 the same as the FEBI BILSTEIN 01799?
No, while both are Cylinder Head Bolt parts, they are different products. The FEBI BILSTEIN 06666 has Length [mm]: 108 mm, Weight [kg]: 0,08 kg, Bolt Head-/Nut Design: 4. The FEBI BILSTEIN 01799 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
