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VIN number / Chasis number
| Outer diameter (mm) |
|
| Thickness (mm) |
|
| Supplementary article/supplementary info |
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| Weight (kg) | 16.0 |
| External thread size |
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| Rolling piston material | steel |
Upgrade or maintain your vehicle with the high-quality FEBI BILSTEIN Air Spring Bag Bellow, air suspension — part number 39421, 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.
| Usage numbers |
| ADR 51614001 |
| AUGER AU 34725-K02 |
| C.E.I. 262.010 |
| CASALS B1024 |
| CONTINENTAL CTAM 725 N P02 |
| CONTITECH AIR SPRING 725 N P02 |
| DT Spare Parts 10.66002 |
| FIRESTONE W01-M58-8969 |
| MERITOR MLF8103 |
| MERITOR MSK20029 |
| Montcada 0293030 |
| PE Automotive 084.020-41A |
| PE Automotive 084.020-71A |
| PRIME-RIDE 1R14-813 |
| SABO SA 520067C |
| SAMPA SP 55725-K02 |
| SEM LASTIK 72.725.C02 |
| ST-TEMPLIN 04.010.6000.270 |
| ST-TEMPLIN 04.060.6006.270 |
| STELLOX 90-07251-SX |
| STELLOX 90-07253-SX |
| WABCO 9518147040 |
| WABCO 9518147470 |
| ZentParts Z12757 |
| Manufacturer | Model | Version | Engine code | Construction type | Construction start | Construction end | Pk | Power kw |
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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