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Details
| Specification | Value |
|---|---|
| Brand | FEBI BILSTEIN |
| Length [mm] | 111 mm |
| Weight [kg] | 0.08 kg |
| Spanner Size | N12 |
| Quality/ Grade | 8.8 |
| Thread Length [mm] | 72 mm |
| Screw length below head [mm] | 98 mm |
| External Thread Size | M11 x 1.5 |
OE numbers (2)
Search by this OE number to find compatible parts
- AUDI / VW—049 103 385
- AUDI / VW—49 103 385
Where this part fits
Original-fit position for OE 049103385. The red ring marks where this part installs on the vehicle.
About this product
The FEBI BILSTEIN Cylinder Head Bolt (07978) 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: Length [mm]: 111 mm, Weight [kg]: 0, 08 kg, Spanner Size: N12, Spanner Size: Zinc, Bolt Head-/Nut Design: Copper. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit AUDI, VW 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: 049 103 385, 14-32045-01, 14-32045-02, 16586 01 and 20 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 with tracked delivery and a 14-day money-back guarantee with 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 (22)
Show all 22 OE numbers
Cylinder Head Bolt FEBI BILSTEIN 07978 — 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), 200 C2 Saloon (437, 438), 200 C3 Avant (447, 448), 200 C3 Saloon (447, 448), 50 (863), 80 B1 Saloon (80, 82), 80 B2 Saloon (811, 813, 814, 819, 853) (+2 more); VW: DERBY (86), DERBY (86C, 80), GOLF I (17), GOLF I Cabriolet (155), GOLF II (19E, 1G1), JETTA I (16), JETTA II (19E, 1G2, 165), PASSAT B1 (32), PASSAT B1 Variant (33), PASSAT B2 (32B) (+8 more) |
|---|---|
| Engines | 1.6; 2.1; 2.1 5E; 2.1 Turbo quattro; 1.1; 1.3; 1.9; 2.1 Turbo; 0.9; 1.0; 0.8; 1.8 |
| Year of manufacture | 1972-2004 |
| Manufacturer article number (MPN) | 07978 |
| OE part numbers | 049 103 385, 49 103 385 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FEBI BILSTEIN 07978 . Bolt Head-/Nut Design: 4. External Thread Size: M11 x 1,5. Length [mm]: 111 mm. Number of bolts/screws: 10. Quality/ Grade: 8.8. Screw length below head [mm]: 98 mm. Spanner Size: 12. Spanner Size: N12
- 1x Cylinder Head Bolt
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- 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, 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]: 111 mm; Weight [kg]: 0,08 kg; Spanner Size: N12; Spanner Size: 12; Bolt Head-/Nut Design: 4; Quality/ Grade: 8.8. 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: 049 103 385, 49 103 385. 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 049 103 385?
Yes, this FEBI BILSTEIN Cylinder Head Bolt is a direct replacement for OE part number 049 103 385. 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 07978 the same as the FEBI BILSTEIN 01799?
No, while both are Cylinder Head Bolt parts, they are different products. The FEBI BILSTEIN 07978 has Length [mm]: 111 mm, Weight [kg]: 0,08 kg, Spanner Size: N12. 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.
