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Orders Above £25 free Delivery
Quality made brands
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Search by registration number
VIN number / Chasis number
| Fitting position |
|
| Outer diameter (mm) |
|
| Thickness (mm) |
|
| Supplementary article/supplementary info | with piston |
| Weight (kg) | 8.0 |
| External thread size |
|
| Rolling piston material | steel |
Upgrade or maintain your vehicle with the high-quality FEBI BILSTEIN Air Spring Bag Bellow, air suspension — part number 37899, available now at A-Z Halifax.
This product has been carefully selected for its reliability, performance, and compatibility with a wide range of vehicles. Whether you're working on routine maintenance or a major repair, the FEBI BILSTEIN Air Spring Bag offers excellent value and dependable performance you can trust.
At A-Z Halifax, we stock thousands of car parts and accessories to make your repair job easier and more efficient. Our experienced team is always available to help ensure you’re choosing the right part for your needs.
| Manufacturer | Productnumber |
| mercedes-benz | 942 320 18 21 , 9423201821 |
| mercedes-benz | 942 320 26 21 , 9423202621 |
| mercedes-benz | 942 320 72 21 , 9423207221 |
| mercedes-benz | A942 320 18 21 , A9423201821 |
| mercedes-benz | A942 320 26 21 , A9423202621 |
| mercedes-benz | A942 320 72 21 , A9423207221 |
| Usage numbers |
| ADR 51307613 |
| ADR 51307616 |
| AIR FREN 20.4187.1CM |
| AUGER AU 344187-K |
| AUGER AU 344187-K02 |
| BSG BSG 01-380-018 |
| BSG BSG 01-380-020 |
| CASALS B2745 |
| CONTINENTAL CTAM 4178 N P23 |
| CONTINENTAL CTAM 4187 N P24 |
| CONTITECH AIR SPRING 4187 N P23 |
| DT Spare Parts 4.80991 |
| DT Spare Parts 4.81029 |
| FIRESTONE W01M580587 |
| HD 020.4187.C21 |
| HD 020.4187.C22 |
| Magnum Technology 5002-03-0266P |
| MERITOR MLF8310 |
| Montcada 0293335 |
| Montcada 0293465 |
| PE Automotive 084.453-72A |
| PE Automotive 084.453-73A |
| SABO SA 520282C |
| SABO SA 520283C |
| SAMPA SP 554187 |
| ST-TEMPLIN 04.010.6000.053 |
| ST-TEMPLIN 04.010.6300.180 |
| STELLOX 84-00132-SX |
| STELLOX 84-00186-SX |
| TIGRIL DB09.0030 |
| TRUCKTEC AUTOMOTIVE 01.30.255 |
| ZentParts Z12840 |
| ZentParts Z12841 |
| Manufacturer | Model | Version | Engine code | Construction type | Construction start | Construction end | Pk | Power kw |
 mercedes-benz |
You can enter your Vehicle Registration Number on our homepage or manually select your vehicle details. We will then filter the parts that match your vehicle. Always double-check the Product Properties section to confirm correct fitment.
Yes! We’re constantly expanding our product range and catalog. If you can’t find the part you’re looking for, please contact us. We work with several manufacturers and may be able to source the part for you.
Many product pages include a Fitment Details tab with additional information. If you still have questions, feel free to use our message service — we’re happy to help.
Parts do not come with additional items like fitting kits or gaskets unless it is clearly specified in the Part Details section of the product page.
Brake Discs: Most standard brake discs are priced individually, but for safety reasons, they must be purchased in pairs. When required, we will automatically set the quantity to 2 in your basket.
Brake Pads: These are sold as a set (either front or rear), so one box is enough for two discs.
The Compatibility Table can be found on each product page, usually below the main product description. Look for a tab or heading labeled Compatibility.
Orders Above £25 free Delivery
Quality made brands
Great Deals on CarParts
Easy 30 Day Returns
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