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.
| Type | OE replacement shock absorber (Bilstein B4) |
| Position | Rear |
| Fitment | Audi A4 / A5 / S5 (B8 platform) |
| Warranty | See warranty document |
| Part Number | 19-171623 |
Documents: Installation Instructions (PDF) | Warranty (PDF) | Safety Data Sheet (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2014 | Audi | A4 | Base |
| 2008-2009 | Audi | A4 | Cabriolet |
| 2015-2016 | Audi | A4 | Premium |
| 2015-2016 | Audi | A4 | Premium Plus |
| 2015 | Audi | A4 | Prestige |
| 2008-2012 | Audi | A4 Quattro | Avant |
| 2008-2014 | Audi | A4 Quattro | Base |
| 2008-2009 | Audi | A4 Quattro | Cabriolet |
| 2015-2016 | Audi | A4 Quattro | Premium |
| 2015-2016 | Audi | A4 Quattro | Premium Plus |
| 2015 | Audi | A4 Quattro | Prestige |
| 2010-2014 | Audi | A5 | Cabriolet |
| 2008-2014 | Audi | A5 Quattro | Base |
| 2010-2014 | Audi | A5 Quattro | Cabriolet |
| 2015-2016 | Audi | A5 Quattro | Premium |
| 2015-2016 | Audi | A5 Quattro | Premium Plus |
| 2015 | Audi | A5 Quattro | Prestige |
| 2017 | Audi | A5 Quattro | Sport |
| 2008-2012,2017 | Audi | S5 | Base |
| 2010-2013 | Audi | S5 | Cabriolet |
| 2014-2016 | Audi | S5 | Premium Plus |
| 2014-2016 | Audi | S5 | Prestige |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
