Bilstein 45-248573 | B4 OE Replacement (Air) | Air Suspension Strut

SKU 45-248573

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 vehicle feel.

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Product Specs for Bilstein 45-248573

SeriesB4 OE Replacement (Air)
Instructions:Installation Instructions
UPC: 651860761602
MPN: 45-248573
Boot Included: No
California Proposition 65: WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov
Finish: Black Paint
Internal Design: Twintube
Lower Mount Type: Base Cup
Series: B4 OE Replacement (Air)
Spring Seat Included: No
Title: Bilstein Shock Absorbers
Upper Mount Type: Special
Part Interchange:
- Audi: 4H0 616 039 AA; 4H0 616 039 AP; 4H0 616 039 AQ; 4H0 616 039 AD; 4G0 616 039 AL; 4G0 616 039 AD; 4H0 616 039 AC; 4G0 616 039 AB; 4H0 616 039 AE; 4G0 616 039 AB; 4H0 616 039 AD; 4H0 616 039 AA; 4H0 616 039 AC; 4H0 616 039 AQ; 4H0 616 039 AE; 4G0 616 039 AD; 4H0 616 039 AP; 4G0 616 039 AL; 4G0 616 039 AB; 4H0 616 039 AD; 4H0 616 039 AA; 4H0 616 039 AC; 4H0 616 039 AQ; 4H0 616 039 AE; 4G0 616 039 AD; 4H0 616 039 AP; 4G0 616 039 AL; 4H0 616 039 AK; 4H0 616 039 AP; 4G0 616 039 AD; 4H0 616 039 AE; 4H0 616 039 AQ; 4H0 616 039 AC; 4H0 616 039 AA; 4H0 616 039 AD; 4G0 616 039 AB; 4G0 616 039 AL; 4H0 616 039 AS; 4G0 616 039 AQ; 4H0 616 039 AE; 4H0 616 039 AC; 4H0 616 039 AD; 4G0 616 039 AQ; 4H0 616 039 AK; 4G0 616 039 AD; 4H0 616 039 AQ; 4H0 616 039 AA; 4G0 616 039 AB; 4G0 616 039 AL; 4H0 616 039 AS; 4H0 616 039 AP

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Bilstein 45-248573 Details

Bilstein B4 - Air Suspension Modules

Bilstein B4 OE Replacement air dampers are designed to replace the original air suspension parts on many vehicles. In close cooperation with Mercedes-Benz, Bilstein developed the B4 OE replacement air modules for maximum driving comfort. They are an original equipment supplier for air suspension products and typically surpass 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 your vehicle, ensuring modification-free installation and restoration of the original feel of your vehicle. Bilstein’s revolutionary design provides damping, suspension and level control in one single suspension part. They are available for active and passive systems and are the only air suspension module that provides a perfect driving experience as on day one.

Bilstein B4 Features & Benefits:

Direct fit, no modification required.
Maintains the active factory system to ensure predictable handling, safe stopping distances and original ride comfort.
Manufactured with 100% new parts for maximum reliability and safety.
OE quality and comfort.
Available for both active and passive air suspension systems.
Individually fine-tuned during road testing to perfectly match the OE air suspension module.

Vehicle Application Guide for Bilstein 45-248573

The 45-248573 Bilstein 45-248573 | B4 OE Replacement (Air) | Air Suspension Strut is engineered to work with specific vehicles displayed below. Can't find your vehicle, or need assistance, please give us a call at 1-800-358-4751 or 1-989-755-0561. Browse the category Bilstein Shocks to view all vehicle makes and models.

Year	Make	Model	Installation Notes
2011	Audi	A8 Quattro Base	Position: Front Front Spring Type: Air
2011	Audi	A8 Quattro L	Position: Front Front Spring Type: Air
2012	Audi	A8 Quattro Base	Position: Front Front Spring Type: Air
2012	Audi	A8 Quattro L	Position: Front Front Spring Type: Air
2012	Audi	A8 Quattro L W12	Position: Front Front Spring Type: Air
2013	Audi	A8 Quattro Base	Position: Front Front Spring Type: Air
2013	Audi	A8 Quattro L	Position: Front Front Spring Type: Air
2013	Audi	A8 Quattro L W12	Position: Front Front Spring Type: Air
2013	Audi	S7 Base	Position: Front Front Spring Type: Air
2013	Audi	S6 Base	Position: Front Front Spring Type: Air
2014	Audi	A8 Quattro Base	Position: Front Front Spring Type: Air
2014	Audi	A8 Quattro L	Position: Front Front Spring Type: Air
2014	Audi	A8 Quattro L W12	Position: Front Front Spring Type: Air
2014	Audi	A8 Quattro L TDI	Position: Front Front Spring Type: Air
2014	Audi	S6 Base	Position: Front Front Spring Type: Air
2014	Audi	S7 Base	Position: Front Front Spring Type: Air
2015	Audi	A8 Quattro Base	Position: Front Front Spring Type: Air
2015	Audi	A8 Quattro L	Position: Front Front Spring Type: Air
2015	Audi	A8 Quattro L W12	Position: Front Front Spring Type: Air
2015	Audi	A8 Quattro L TDI	Position: Front Front Spring Type: Air
2015	Audi	S7 Base	Position: Front Front Spring Type: Air
2015	Audi	S6 Base	Position: Front Front Spring Type: Air
2016	Audi	S6 Premium Plus	Position: Front Front Spring Type: Air
2016	Audi	S6 Prestige	Position: Front Front Spring Type: Air
2016	Audi	S7 Base	Position: Front Front Spring Type: Air
2016	Audi	A8 Quattro L	Position: Front Front Spring Type: Air
2016	Audi	A8 Quattro L W12	Position: Front Front Spring Type: Air
2016	Audi	A8 Quattro L TDI	Position: Front Front Spring Type: Air
2017	Audi	A8 Quattro L	Position: Front Front Spring Type: Air
2017	Audi	A8 Quattro L Sport	Position: Front Front Spring Type: Air
2017	Audi	S6 Premium Plus	Position: Front Front Spring Type: Air
2017	Audi	S6 Prestige	Position: Front Front Spring Type: Air
2017	Audi	S7 Premium Plus	Position: Front Front Spring Type: Air
2017	Audi	S7 Prestige	Position: Front Front Spring Type: Air
2018	Audi	S7 Premium Plus	Position: Front Front Spring Type: Air
2018	Audi	S7 Prestige	Position: Front Front Spring Type: Air
2018	Audi	S6 Premium Plus	Position: Front Front Spring Type: Air
2018	Audi	S6 Prestige	Position: Front Front Spring Type: Air
2018	Audi	A8 Quattro L	Position: Front Front Spring Type: Air
2018	Audi	A8 Quattro L Sport	Position: Front Front Spring Type: Air

Customer Q&A - Bilstein 45-248573

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Bilstein

Proven design technology, a superior manufacturing process and a commitment to quality control characterize the Bilstein shock absorber production process. At Bilstein over 40% of the production personnel are involved with quality control to maintain their industry-leading level of shock absorber efficiency and long life performance.

In this pursuit of excellence, Bilstein has received worldwide acclaim for quality shock absorbers that have set new industry standards. Setting high standards has always been a top priority with Bilstein and a consistent set of parameters and performance guidelines go into the development of each Bilstein shock application.

For more information on Bilstein shock absorbers and struts, or call us at 1-800-358-4751.

Bilstein Warranty

If a shock/strut malfunctions and BILSTEIN determines it to be defective, Bilstein will either replace it or repair it, depending on the term of the warranty based on the assembly's model type.

2 Year Limited Warranty B3 OE Replacement, B1 OE Replacement (Air), B8 5160 , B8 5160 Classic, B8 5162, B8 8100, B8 8100 (Bypass) , B8 8100 (Bypass) , B8 8112 (ZoneControl CR), B8 8100 (ZoneControl R)

Lifetime Limited Warranty - On gas pressure shock absorbers and struts for as long as you, the original purchaser, own your car. B3 OE Replacement (Air), B6 Series, B8 5100 Series, B8 5112 Series, B8 6100 Series, B8 Control Arms, B8 Performance Plus, B12 Series.

90 Day Limited Warranty - On AK Series, AS2 Series, AS2-R Series, AS2 Series, AS2-R Series, B1 (Components), B8 5125, B8 5165, B8 5165 Classic, B8 8125, BILSTEIN Clubsport, Black Hawk Powersports.

What the warranty does not cover

Original equipment shock absorbers: if your vehicle was equipped with BILSTEIN from the factory (original equipment) warranty claims must be directed to the vehicle manufacturer.*

Improper installation, racing, driving competition or off-road use, modified use or applications other than Bilstein recommended vehicles, commercial vehicles, bent or broken rods showing abuse or abnormal wear, surface finish, boot or mounting hardware, rubber bushings are not covered.

Labor charges are not covered by any of the foregoing limited warranties.

You can view the full details of Bilstein’s warranty here.

How to get service

If a Bilstein product fails as a result of a manufacturer defect, contact us at Michigan Truck Spring for support. You can contact us by phone at 1-800-358-4751 or by using our contact form.