Bilstein B4 Rear Shock Absorber - Audi A4/A5/S5 (B8) 2008-2017

Bilstein B4 OE replacement dampers are engineered to restore the original ride quality and handling of the vehicle while meeting or exceeding OE standards. Built to Bilstein quality with high pressure reserves for consistent damping and safety, the B4 is the direct replacement choice for returning a worn factory suspension to as-new performance. It installs as a bolt-on replacement in the original location.

Specifications

Documents: Installation Instructions (PDF)  |  Warranty (PDF)  |  Safety Data Sheet (PDF)

This part fits:

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy