SKU: 46557250543

Bilstein B3 OE Replacement (Air)-Air Suspension Spring (40-273778)

Sale price$220.05 Regular price$244.50
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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19

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Description

Bilstein B3 OE Replacement (Air)-Air Suspension Spring (40-273778)The Bilstein B3 air spring provides a perfect driving experience under high load, due to the constant counter pressure in the bellows of the air spring. This is an optimum OE replacement for vehicles in which the air spring and shock absorber are installed as separate units. Bilstein B3 OE Replacement (Air) suspension air bags are designed to replace the original suspension air bags on select European brand vehicles. Bilstein is an OE supplier for air

The Bilstein B3 air spring provides a perfect driving experience under high load, due to the constant counter-pressure in the bellows of the air spring. This is an optimum OE replacement for vehicles in which the air spring and shock absorber are installed as separate units. Bilstein B3 OE Replacement (Air) suspension air bags are designed to replace the original suspension air bags on select 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. Each B3 OE Replacement (Air) suspension air bag is designed to connect directly into the original connectors on the vehicle, ensuring modification-free installation and restoration of the original feel of the vehicle.

Position: Rear

Features:

  • Uncompromising comfort and driving characteristics
  • Rapid adjustment to road and driving conditions
  • Constant damping power under any load

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.

  • Uncompromising comfort and driving characteristics
  • Rapid adjustment to road and driving conditions
  • Constant damping power under any load

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: 46557250543

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4.5 ★★★★★
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Nicole Gardner
Grantham, US
★★★★★ 5
Comfortable
Size: 12 Wide, Color: Brown
Great shoes! Fit and look good
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Reviewed in the United States on June 8, 2026
T
Verified Purchase
Tha’King
Pawtucket, US
★★★★★ 5
perfect size and quality shoes
Size: 13, Color: Brown
very nice quality shoe. Very comfortable and great price.
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Reviewed in the United States on May 16, 2026
S
Verified Purchase
Scott
Massapequa, US
★★★★★ 4
Comfortable, clean white sneakers for any age (I hope)
Size: 13, Color: White, Size: 13, Color: White
Comfortable, clean, and make me look cooler than I actually am These Bruno Marc white sneakers are my attempt at staying “casually stylish” at 50 without embarrassing my kids or trying too hard. Good news: they’re insanely comfortable right out of the box, fit true to size (13 for the win), and somehow stay bright white no matter what I do. Bad news: they might actually be too white. I keep waiting for them to age a little so I look like a laid-back dad, not a dad who just walked off a mall mannequin stand. They’re lightweight, cushioned enough for all-day wear, and pair with everything—from jeans to the “I give up” shorts I wear on weekends. Still not sure if I’m cool enough to pull them off, but they make me feel like I might be… which is basically the whole point, right?
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Reviewed in the United States on November 25, 2025
J
Verified Purchase
JenR
Louisville, US
★★★★★ 5
Affordable shoes that actually hold up
Size: 8, Color: White
I bought these for my son to wear to a quinceañera since he needed plain white shoes and I didn’t want to spend much for a one-time event. They ended up being his favorite pair. He’s worn them to school several times a week for the past 7 months, and they’ve held up really well. There’s some normal wear, but they still look good and he says they’re comfortable. I’m pleasantly surprised by the quality for the price and will likely buy another pair soon.
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Reviewed in the United States on May 6, 2026
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Bc Sam
Alexandria, US
★★★★★ 5
SNEAKER SNEAKER!
Size: 13, Color: White
DONT BUY These, Let me keep all of them because they are my go to summer shoe!! These are great! real leather and they don't make your feet feel like there in plastic wrap, they are comfortable and worth the buy! But like I said don't buy them just let me keep buying them!.
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Reviewed in the United States on May 26, 2026

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