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Details
| Specification | Value |
|---|---|
| Brand | FEBI BILSTEIN |
| Height [mm] | 49 mm |
| Weight [kg] | 0.09 kg |
| Opening Pressure [bar] | 17 bar |
| External Thread Size | M26 x 1.5 |
OE numbers (8)
Search by this OE number to find compatible parts
- RENAULT TRUCKS—50 10 422 601
- MAN—51.54122.0003
- MAN—51.54122.0006
- MAN—51.54122.0007
- MAN—51.54122.0008
- MAN—51.54122.0011
- MAN—64.54122.0001
- MAN—81.52161.6272
Where this part fits
Original-fit position for OE 51541220011.
About this product
FEBI BILSTEIN Pressure Relief Valve (181585) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Height [mm]: 49 mm, Weight [kg]: 0, 09 kg, Spanner Size: 32, Opening Pressure [bar]: Fibreglass bar, External Thread Size: M26 x 1, Rubber — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 02.02.54.252271, 027.100, 093.221, 10.5125.00 and 24 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 (20)
Pressure Relief Valve FEBI BILSTEIN 181585 — compatible car models
| Manufacturer article number (MPN) | 181585 |
|---|---|
| OE part numbers | 50 10 422 601, 51.54122.0003, 51.54122.0006, 51.54122.0007, 51.54122.0008, 51.54122.0011, 64.54122.0001, 81.52161.6272 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FEBI BILSTEIN 181585 . External Thread Size: M26 x 1,5. Height [mm]: 49 mm. Opening Pressure [bar]: 17 bar. Spanner Size: 32. Weight [kg]: 0,09 kg
- 1x Pressure Relief Valve
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 Pressure Relief Valve 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 Pressure Relief Valve fits. All fitment data is verified through TecDoc.
What specifications does this FEBI BILSTEIN Pressure Relief Valve have?
This FEBI BILSTEIN Pressure Relief Valve has the following specifications: Height [mm]: 49 mm; Weight [kg]: 0,09 kg; Spanner Size: 32; Opening Pressure [bar]: 17 bar; External Thread Size: M26 x 1,5. Check the full specifications table above for complete details.
What OE part numbers does this Pressure Relief Valve replace?
This Pressure Relief Valve replaces OE part numbers: 50 10 422 601, 51.54122.0003, 51.54122.0006, 51.54122.0007, 51.54122.0008, 51.54122.0011, 64.54122.0001, 81.52161.6272. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Pressure Relief Valve cost?
This FEBI BILSTEIN Pressure Relief Valve is available for £19.99. Pressure Relief Valve 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 Pressure Relief Valve?
Regular inspection of your Pressure Relief Valve 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 Pressure Relief Valve?
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 Pressure Relief Valve fitted by a professional mechanic.
Can I use this part as a replacement for OE 50 10 422 601?
Yes, this FEBI BILSTEIN Pressure Relief Valve is a direct replacement for OE part number 50 10 422 601. 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 181585 the same as the FEBI BILSTEIN 104692?
No, while both are Pressure Relief Valve parts, they are different products. The FEBI BILSTEIN 181585 has Height [mm]: 49 mm, Weight [kg]: 0,09 kg, Spanner Size: 32. The FEBI BILSTEIN 104692 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.
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