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Details
| Specification | Value |
|---|---|
| Brand | FEBI BILSTEIN |
| Fitting Position | Rear Axle |
| Thickness [mm] | 660 mm |
| Thickness [mm] | 300 mm |
| Connector type | Voss 232 |
| Weight [kg] | 6.2 kg |
| Outer Diameter [mm] | 258 mm |
| External Thread Size | M22 x 1.5 |
OE numbers (2)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—961 320 46 21
- MERCEDES-BENZ—A961 320 46 21
Where this part fits
Original-fit position for OE A9613204621.
About this product
Sourced from FEBI BILSTEIN, this bellow air suspension (177933) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Fitting Position: Rear Axle, Thickness [mm]: 660 mm, Thickness [mm]: 300 mm, Connector type: Voss 232, Weight [kg]: Plastic, Aluminium kg — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 01.30.296, 0293178, 04.010.6500.050, 084.496-74A and 11 more. Matching these numbers confirms a like-for-like replacement with no loss of function. FEBI BILSTEIN is a recognised supplier of automotive suspension 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 (13)
Bellow Air Suspension FEBI BILSTEIN 177933 — compatible car models
| Manufacturer article number (MPN) | 177933 |
|---|---|
| OE part numbers | 961 320 46 21, A961 320 46 21 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FEBI BILSTEIN 177933 . Connector type: Voss 232. External Thread Size: M22 x 1,5. Fitting Position: HA. Outer Diameter [mm]: 258 mm. Rolling piston material: 6. Supplementary Article/Supplementary Info: 39. Thickness [mm]: 300 mm. Thickness [mm]: 660 mm
- 1x Bellow Air Suspension
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 Bellow Air Suspension 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 Bellow Air Suspension fits. All fitment data is verified through TecDoc.
What specifications does this FEBI BILSTEIN Bellow Air Suspension have?
This FEBI BILSTEIN Bellow Air Suspension has the following specifications: Fitting Position: HA; Thickness [mm]: 660 mm; Thickness [mm]: 300 mm; Connector type: Voss 232; Weight [kg]: 6,2 kg; Outer Diameter [mm]: 258 mm. Check the full specifications table above for complete details.
What OE part numbers does this Bellow Air Suspension replace?
This Bellow Air Suspension replaces OE part numbers: 961 320 46 21, A961 320 46 21. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Bellow Air Suspension cost?
This FEBI BILSTEIN Bellow Air Suspension is available for £195.99. Bellow Air Suspension 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 Bellow Air Suspension?
Regular inspection of your Bellow Air Suspension 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 Bellow Air Suspension?
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 Bellow Air Suspension fitted by a professional mechanic.
Can I use this part as a replacement for OE 961 320 46 21?
Yes, this FEBI BILSTEIN Bellow Air Suspension is a direct replacement for OE part number 961 320 46 21. 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 177933 the same as the FEBI BILSTEIN 101148?
No, while both are Bellow Air Suspension parts, they are different products. The FEBI BILSTEIN 177933 has Fitting Position: HA, Thickness [mm]: 660 mm, Thickness [mm]: 300 mm. The FEBI BILSTEIN 101148 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.
