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Details
| Specification | Value |
|---|---|
| Brand | FEBI BILSTEIN |
| Height [mm] | 11 mm |
| Weight [kg] | 0,004 kg |
| Outer Diameter [mm] | 18 mm |
| Valve Stem Diameter [mm] | 10 mm |
OE numbers (3)
Search by this OE number to find compatible parts
- DEUTZ—242 3697
- MAN—51.04902.0027
- MAN / NEOPLAN—51.04902.0029
About this product
Sourced from FEBI BILSTEIN, this seal ring valve stem (40020) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Height [mm]: Bronze mm, Weight [kg]: 0, 004 kg, Material: 30, Outer Diameter [mm]: Composite mm, Valve Type: 41 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 026.050, 101982, 12036600, 12-27506-01 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
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (21)
Show all 21 OE numbers
Seal Ring Valve Stem FEBI BILSTEIN 40020 — compatible car models
| Manufacturer article number (MPN) | 40020 |
|---|---|
| OE part numbers | 242 3697, 51.04902.0027, 51.04902.0029 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FEBI BILSTEIN 40020 . Height [mm]: 11 mm. Material: 30. Outer Diameter [mm]: 18 mm. Supplementary Article/Supplementary Info: 257. Valve Stem Diameter [mm]: 10 mm. Valve Type: 41. Weight [kg]: 0,004 kg
- 1x Seal Ring Valve Stem
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 Seal Ring Valve Stem 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 Seal Ring Valve Stem fits. All fitment data is verified through TecDoc.
What specifications does this FEBI BILSTEIN Seal Ring Valve Stem have?
This FEBI BILSTEIN Seal Ring Valve Stem has the following specifications: Height [mm]: 11 mm; Weight [kg]: 0,004 kg; Material: 30; Outer Diameter [mm]: 18 mm; Valve Type: 41; Supplementary Article/Supplementary Info: 257. Check the full specifications table above for complete details.
What OE part numbers does this Seal Ring Valve Stem replace?
This Seal Ring Valve Stem replaces OE part numbers: 242 3697, 51.04902.0027, 51.04902.0029. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Seal Ring Valve Stem cost?
This FEBI BILSTEIN Seal Ring Valve Stem is available for £4.99. Seal Ring Valve Stem 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 Seal Ring Valve Stem?
Regular inspection of your Seal Ring Valve Stem 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 Seal Ring Valve Stem?
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 Seal Ring Valve Stem fitted by a professional mechanic.
Can I use this part as a replacement for OE 242 3697?
Yes, this FEBI BILSTEIN Seal Ring Valve Stem is a direct replacement for OE part number 242 3697. 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 40020 the same as the FEBI BILSTEIN 01423?
No, while both are Seal Ring Valve Stem parts, they are different products. The FEBI BILSTEIN 40020 has Height [mm]: 11 mm, Weight [kg]: 0,004 kg, Material: 30. The FEBI BILSTEIN 01423 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.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
