- Shop with confidence: competitive prices, exclusive deals, and delivery perks.
- Need it quickly? We dispatch fast-moving parts daily. Check delivery options.
- Swap or return items within the standard return period with a simple process.
- Questions about fitment or orders? Our support team is ready to help.
Similar products
Customers also bought
Details
| Specification | Value |
|---|---|
| Brand | FEBI BILSTEIN |
| Length [mm] | 182 mm |
| Weight [kg] | 0,225 kg |
| Quality/ Grade | 10.9 |
| Thread Length [mm] | 90 mm |
| Shaft Length [mm] | 78 mm |
| Screw length below head [mm] | 168 mm |
| External Thread Size | M15 x 2 |
OE numbers (4)
Search by this OE number to find compatible parts
- EVOBUS / MERCEDES-BENZ—403 990 07 01
- EVOBUS / MERCEDES-BENZ—422 990 04 01
- EVOBUS / MERCEDES-BENZ—A403 990 07 01
- EVOBUS / MERCEDES-BENZ—A422 990 04 01
Where this part fits
Original-fit position for OE A4039900701.
About this product
FEBI BILSTEIN Cylinder Head Bolt (02321) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Length [mm]: 182 mm, Weight [kg]: 0, 225 kg, Bolt Head-/Nut Design: Cast Iron, Quality/ Grade: 10.9, Thread Length [mm]: 90 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 010.084-00A, 01 0121 400002, 01 0121 400009, 01.67.184 and 23 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
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (23)
Show all 23 OE numbers
Cylinder Head Bolt FEBI BILSTEIN 02321 — compatible car models
| Manufacturer article number (MPN) | 02321 |
|---|---|
| OE part numbers | 403 990 07 01, 422 990 04 01, A403 990 07 01, A422 990 04 01 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FEBI BILSTEIN 02321 . Bolt Head-/Nut Design: 3. External Thread Size: M15 x 2. Length [mm]: 182 mm. Quality/ Grade: 10.9. Screw length below head [mm]: 168 mm. Shaft Length [mm]: 78 mm. Thread Length [mm]: 90 mm. Weight [kg]: 0,225 kg
- 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?
Use the vehicle selector at the top of the page to check compatibility. Enter your car's make, model, and engine — we'll confirm whether this Cylinder Head Bolt fits. 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]: 182 mm; Weight [kg]: 0,225 kg; Bolt Head-/Nut Design: 3; Quality/ Grade: 10.9; Thread Length [mm]: 90 mm; Shaft Length [mm]: 78 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: 403 990 07 01, 422 990 04 01, A403 990 07 01, A422 990 04 01. 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 £7.99. 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 403 990 07 01?
Yes, this FEBI BILSTEIN Cylinder Head Bolt is a direct replacement for OE part number 403 990 07 01. 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 02321 the same as the FEBI BILSTEIN 01799?
No, while both are Cylinder Head Bolt parts, they are different products. The FEBI BILSTEIN 02321 has Length [mm]: 182 mm, Weight [kg]: 0,225 kg, Bolt Head-/Nut Design: 3. 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.
