SKU: 27089923159

Bilstein B4 OE Replacement (Air)-Air Suspension Strut (44-239985)

Sale price$683.55 Regular price$759.50
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 22 - Aug 27

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Description

Bilstein B4 OE Replacement (Air)-Air Suspension Strut (44-239985)Bilstein B4 OE Replacement (Air) dampers are designed to replace the original air suspension systems on many European brand vehicles. Bilstein is an OE supplier for air suspension systems; the quality of these products meets, and typically exceeds, the standards set forth by the vehicle's manufacturer. Bilstein B4 OE Replacement (Air) dampers are designed to connect directly into the original connectors on the vehicle, ensuring modification free

Bilstein B4 OE Replacement (Air) dampers are designed to replace the original air suspension systems on many European brand vehicles. Bilstein is an OE supplier for air suspension systems; the quality of these products meets, and typically exceeds, the standards set forth by the vehicle's manufacturer. Bilstein B4 OE Replacement (Air) dampers are designed to connect directly into the original connectors on the vehicle, ensuring modification-free installation and restoration of the original feel of the vehicle.

Notes:

  • It's recommended to replace shock or strut in pairs (passenger and driver side at the same time).

Features:

  • High OEM quality standards
  • Proven BILSTEIN gas pressure technology
  • Responds to street and vehicle conditions in milliseconds for instant adaptivity
  • Provides excellent comfort and perfect driving characteristics

The delicate axial bellows of the air spring provide very sensitive spring behaviour with a comparably low rolling radius. This ensures optimum functionality even in confined working chambers. Due to the permanent load (contraction, extension, different pressures and temperatures), the material is worn out and may eventually leak. If the air bellows cannot be inflated any more, the vehicle is no longer fit to drive. Technical further developments from the original application to today’s part are usually easily recognizable. Due to higher efficiency and Bilstein's obligation to increasingly employ environmentally friendly materials, the sheathing of the bump stop no longer contains chromium VI. Apart from that, all old parts by BILSTEIN are recycled in an environmentally friendly manner via the Partslife initiative. Due to the permanent movement and mileage, the high gas-pressure and the permanent oil contact, the seals in particular will become worn. If oil leaks, the air suspension module and other parts such as seals and valves lose their functionality.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 27089923159

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Matt Clark
Phoenix, US
★★★★★ 5
Better than canned air
I got this because I got sick or buying canned air. This will pay for itself in a short time if you use canned air often enough. Surprisingly powerful and can even blow some debris from the floor of my garage from a standing position. Different attachments for whatever your need it. Well worth it. As soon as I got it I cleaned all my electronics and was satisfied by how much dust flew out of them. Electronics can now breath again and are performing as they should and are not overheating.
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Reviewed in the United States on April 24, 2026
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David
Boise, US
★★★★★ 5
Best portable air dusters on the market - extremely powerful and lightweight! 🙏🏻
As someone who cuts hair, this Wolfbox MF50 has been super useful for keeping my clippers, trimmers, and my station clean. This is one of my favorite products I have in my kit and overall it’s one of the best investments I’ve made. The airflow is strong enough to blow hair out of blades and hard-to-reach areas without needing an air compressor and on the go. It’s compact, rechargeable, and easy to keep at the barber station. Great tool for barbers or anyone who wants quick cleanup during cuts. The battery takes a while to recharge but if you plug it in after every use you should have no problems using it all day.
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Reviewed in the United States on May 26, 2026
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Verified Purchase
Vel, Sea
Grantham, US
★★★★★ 5
Compact product that will save you money over time.
This is a very impressive product that eliminated the wasteful spending on can air. I do a lot of laser cutting and engraving projects that create a constant need to clear out the find particle in the machine. This air duster provide the correct amount of pressure I needed to clean those areas while not creating addition mess. The attachment are useful to focus the pressure on cleaning out those hard to reach areas. Battery or motor temperature did not get hot and remain constant. The volume of air also stay constant throughout the time of use. This is idea for those that dont have the air compressor, live on a budget, and like quick and easy solutions.
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Reviewed in the United States on May 2, 2026
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Paul Huang
Birmingham, US
★★★★★ 5
Powerful, Efficient, and Great for Cleaning
This air duster is extremely powerful and does an excellent job cleaning dust from keyboards, electronics, and tight spaces. The high RPM really makes a difference, and it feels much more effective than canned air. It’s rechargeable, easy to use, and saves money in the long run. Very satisfied with the performance and build quality.
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Reviewed in the United States on May 9, 2026
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WilliamB
Omaha, US
★★★★★ 4
Great upgrade from canned air for keyboard and desk cleaning
I picked this up mainly to clean my keyboard and desk setup, and it's done a solid job replacing the canned air I used to constantly restock. No more running out mid-clean or dealing with the cold spray residue; just plug it in and go. The airflow is strong enough to blast crumbs and dust out from between keycaps with ease. I was impressed by how much junk it pulled out of my keyboard that I didn't even realize was in there. For desk gear like vents, cable ports, and monitor edges, it works really well, too. The 3-speed settings are handy. I stick to the lower settings for most keyboard work and only bump it up when something is really packed in. Build quality feels decent, and it charges via USB-C, which is convenient. The reason I'm giving it 4 stars instead of 5 is that it's a bit louder than I expected at higher speeds. Not a dealbreaker, but worth knowing going in. Overall, though, it's a smart buy if you're tired of buying canned air on repeat.
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Reviewed in the United States on April 9, 2026

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