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Details
| Specification | Value |
|---|---|
| Brand | OE Germany |
| Diameter [mm] | 18 mm |
| Length [mm] | 210 mm |
OE numbers (2)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—541 990 05 01
- MERCEDES-BENZ—A 541 990 05 01
Where this part fits
Original-fit position for OE 5419900501.
About this product
Sourced from OE Germany, this cylinder head bolt (01 0121 500000) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Diameter [mm]: Composite mm, Length [mm]: 210 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: 20080350010, 541 990 05 01, A 541 990 05 01. Matching these numbers confirms a like-for-like replacement with no loss of function. OE Germany 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.
Suitable cars
Fitment not confirmed for this part
We could not confirm which vehicles this part fits — check before buying.Equivalent products (1)
Cylinder Head Bolt OE Germany 01 0121 500000 — compatible car models
| Manufacturer article number (MPN) | 01 0121 500000 |
|---|---|
| OE part numbers | 541 990 05 01, A 541 990 05 01 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
OE Germany 010121500000 . Diameter [mm]: 18 mm. Length [mm]: 210 mm
- 1x Cylinder Head Bolt
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 4–8 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 OE Germany Cylinder Head Bolt have?
This OE Germany Cylinder Head Bolt has the following specifications: Diameter [mm]: 18 mm; Length [mm]: 210 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: 541 990 05 01, A 541 990 05 01. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Cylinder Head Bolt cost?
This OE Germany Cylinder Head Bolt is available for £15.99. Cylinder Head Bolt prices vary depending on brand, specifications, and vehicle compatibility. OE Germany 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 541 990 05 01?
Yes, this OE Germany Cylinder Head Bolt is a direct replacement for OE part number 541 990 05 01. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
