May discount special: enter MAY at checkout for 9% off. *
close promo banner icon

Air Suspension Spring

Bilstein - B4 OE Replacement (Air) Front Right (45-240966)

$1,363.00

$1,453.48

You save: $90.48 (6%) off MSRP

stock messaging In StockIn Stock
Ships within 24 hours
Check to see if this fits your vehicle

This part fits

  1. 2015 Audi Q7 TDI Prestige
  2. 2015 Audi Q7 TDI Premium Plus
  3. 2015 Audi Q7 Prestige
  4. 2015 Audi Q7 TDI Premium
  5. 2015 Audi Q7 Premium Plus
  6. 2014 Audi Q7 Premium Plus
  7. 2014 Audi Q7 TDI Premium
  8. 2014 Audi Q7 TDI Prestige
  9. 2014 Audi Q7 Prestige
  10. 2014 Audi Q7 TDI Premium Plus
  11. 2013 Audi Q7 TDI Premium Plus
  12. 2013 Audi Q7 TDI Prestige
  13. 2013 Audi Q7 TDI Premium
  14. 2013 Audi Q7 Prestige
  15. 2013 Audi Q7 TDI Prestige
  16. 2013 Audi Q7 Premium Plus
  17. 2013 Audi Q7 TDI Premium Plus
  18. 2012 Audi Q7 TDI Premium Plus
  19. 2012 Audi Q7 TDI Premium
  20. 2012 Audi Q7 Premium Plus
  21. 2012 Audi Q7 TDI Prestige
  22. 2011 Audi Q7 TDI Premium Plus
  23. 2011 Audi Q7 TDI Prestige
  24. 2011 Audi Q7 TDI Premium
  25. 2010 Porsche Cayenne S Transsyberia
  26. 2010 Volkswagen Touareg VR6
  27. 2010 Volkswagen Touareg TDI
  28. 2010 Porsche Cayenne Turbo S
  29. 2010 Audi Q7 Prestige
  30. 2010 Audi Q7 Premium
  31. 2010 Porsche Cayenne S
  32. 2010 Porsche Cayenne GTS
  33. 2010 Porsche Cayenne Base
  34. 2010 Audi Q7 TDI
  35. 2010 Porsche Cayenne Turbo
  36. 2009 Porsche Cayenne Turbo S
  37. 2009 Porsche Cayenne S
  38. 2009 Audi Q7 Premium
  39. 2009 Audi Q7 TDI
  40. 2009 Porsche Cayenne Base
  41. 2009 Volkswagen Touareg TDI
  42. 2009 Volkswagen Touareg Base
  43. 2009 Porsche Cayenne GTS
  44. 2009 Porsche Cayenne Turbo
  45. 2008 Volkswagen Touareg Base
  46. 2008 Porsche Cayenne Turbo
  47. 2008 Porsche Cayenne S
  48. 2008 Porsche Cayenne GTS
  49. 2008 Volkswagen Touareg TDI
  50. 2008 Audi Q7 Premium
  51. 2007 Audi Q7 Base
  52. 2007 Audi Q7 Premium
  53. 2007 Volkswagen Touareg TDI
  54. 2007 Volkswagen Touareg Base
  55. 2006 Porsche Cayenne Base
  56. 2006 Volkswagen Touareg TDI
  57. 2006 Volkswagen Touareg Base
  58. 2006 Porsche Cayenne Turbo S
  59. 2006 Porsche Cayenne Turbo
  60. 2006 Porsche Cayenne S
  61. 2005 Volkswagen Touareg Base
  62. 2005 Porsche Cayenne S
  63. 2005 Porsche Cayenne Turbo
  64. 2005 Porsche Cayenne Base
  65. 2004 Volkswagen Touareg V8
  66. 2004 Volkswagen Touareg V6
  67. 2004 Volkswagen Touareg TDI
  68. 2004 Porsche Cayenne Turbo
  69. 2004 Porsche Cayenne S
  70. 2004 Porsche Cayenne Base
  71. 2003 Porsche Cayenne Turbo
  72. 2003 Porsche Cayenne S
  73. show all...
Authorized Dealer

About this product

Part #: 45-240966

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.

More Details

Boot IncludedNo
FinishBlack Paint
Internal DesignTwintube
Lower Mount TypeFork
SeriesB4 OE Replacement (Air)
TitleBilstein Shock Absorbers
Upper Mount TypeSpecial
Additional Documents
  1. Installation Instructionspdf
  2. Material Safety Data Sheetpdf
  3. Warrantypdf

See what our community says about bilstein products

product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Bilstein is an OEM for BMW, this was at or near the top of their product line. Review looked good, price was at max budget I had allocated for that part of build.
Is this your first time buying from this brand? Did you consider other brands?
First time buying from Bilstein, compared them with all other brands I could find.
Was it easy to install? Any installation tips that will help others?
DIY easy install, proper setup requires time with any Coil Over, for good performance.
Once you've had a chance to use the product, did it meet your expectations?
Install is done, but car still not on road. Many other aspects to finish.
Any additional comments?
Love the design & the quality in the product.
View on Timothy's build
Wyatt Fletcher

486

Wyatt Fletcher
2013 Ford Focus ST
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Price and performance
Is this your first time buying from this brand? Did you consider other brands?
No. And yes, I did consider other brands.
Was it easy to install? Any installation tips that will help others?
n/a
View on Wyatt's build
Rostam Buicki

716

Rostam Buicki
2015 Audi S3
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Wanted easy access to dampening while driving.
Is this your first time buying from this brand? Did you consider other brands?
No. Bilstein master race.
View on Rostam's build
Andre Aivazians

143

Andre Aivazians
1999 Saab 9-3
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Bilstein & Eibach Springs; you can't beat that combo
Is this your first time buying from this brand? Did you consider other brands?
No
Was it easy to install? Any installation tips that will help others?
Yes
Once you've had a chance to use the product, did it meet your expectations?
Keeps the car planted and steady. Rebound could be a bit better as it tends to hop over uneven roads.
Any additional comments?
Great price and great quality overall.
View on Andre's build
Cory Zimmerman

1.2k

Cory Zimmerman
1995 Ford Mustang
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Quality,reliability & performance.
Is this your first time buying from this brand? Did you consider other brands?
Yes this was my first time buying from this brand for this car. I did not consider other brands.
View on Cory's build

TOP RATED Bilstein Suspension

  • Bilstein - B3 OE Replacement (Air) Rear Left photo
    MFR# 40-116402Bilstein - B3 OE Replacement (Air) Rear Left
    $717.00$765.00
    Save $48.00 (6%) off MSRP
  • Bilstein - B3 OE Replacement (Air) Rear Left photo
    MFR# 40-231990Bilstein - B3 OE Replacement (Air) Rear Left
    $227.00$241.67
    Save $14.67 (6%) off MSRP
  • Bilstein - B4 OE Replacement (Air) Front Right photo
    MFR# 44-051525Bilstein - B4 OE Replacement (Air) Front Right
    $1,039.00$1,108.28
    Save $69.28 (6%) off MSRP
  • California prop 65 warningWARNING: Cancer and Reproductive Harm www.p65warnings.cs.gov

    *Some manufacturer restrictions apply.

    About Bilstein

    For more than 50 years, BILSTEIN has been developing successful dampers used in motor racing. The dampers have already contributed to numerous title wins from Niki Lauda and Alain Prost in the Formula One, victories in the 24 h race on the Nürburgring or championship titles in the sports-car mastery. The BILSTEIN brand has been an integral part of the motor racing world.

    Benefits of adding this mod

    Enhanced suspension products like shocks and springs play a critical role in creating a balanced high performance vehicle. Whether you want to attack the apex or mob the Moab, we have you covered with everything from coilover upgrades to high-rise lift kits. From faster cornering to more balanced stopping and acceleration, upgrading your stock suspension components will bring improvements you can feel for any street, track, or off-road build.

    shipping-worldwide-jpg

    we ship worldwide!

    Based in California with 3 warehouses across the country, we’re sending out shipments everyday of the week, even Saturdays. Because your next mod shouldn’t have to wait.

    + FREE GROUND SHIPPING ON U.S. ORDERS OVER $99
    International shipping icon
    Have a question? Ask an Expert!

    Finding the best parts can be tricky

    - but not to worry! Our team of experienced American Muscle, JDM, Euro, and off-road tuners are ready to answer your questions (as long as we’re not in the garage wrenching on our own builds).

    chat-iconLive Chat
    Ask our expert tuners anything!
    call_iconCall Us
    1 (800) 959-4304

    Wheelwell wants to be the new online hub for car parts and accessories.

    Wheelwell helps you organize all your stuff for your car, I’ve loaded all my cars on Wheelwell and you can see all the parts I’ve put in them and that may help you make a decision with your own build.

    Matt Farah

    Smoking Tire / The Drive

    Thank you for all the help, really. You guys are awesome. This is all great info and I really appreciate everything you have done to help me with my build.

    James M.

    Ford Focus ST

    Your customer service is wonderful. Thank you for taking care of this. My review will express all. Thank you!

    Wallace R

    Chevrolet Silverado 1500