Product Details
Looking for the perfect everyday road balance? The 5100 Street Non-Inverted Suspension to your 2017-2022 Audi A4 Sedan FWD (B9) delivers comfort and control in one refined package. Experience a high-quality monotube coilover system, 1-way adjustable for rebound and ride height. The front coilover design ensures precise handling, while the OEM-style rear setup maintains daily comfort. Built with fixed rear spring rates, OEM-compatible top mounts, and rebuildable dampers, this system offers lasting performance. Engineered and made in the Netherlands, the 5100 STREET suspension maximizes grip and stability, giving your car the perfect balance between comfort and control on every drive.
Standard Features
- 1-Way Rebound Adjustable – 12-position rebound adjustment lets you fine-tune damping for different driving conditions.
- Ride Height Adjustable – Adjust vehicle ride height while maintaining maximum damper stroke for consistent suspension performance.
- High-Performance Monotube Design – High-pressure gas and a floating piston help reduce cavitation while improving grip, control, and driver feedback.
- OEM Top Mount Compatible – Designed to work with factory top mounts, making it a practical upgrade for street-focused applications.
- Rebuildable & Spring Included – Built for long-term performance and serviceability, with vehicle-specific springs included in the kit.
Specifications
| Part Number | ACU-A2110S |
| Part Name | 5100 Series Coilovers |
| Vehicle | 2017-2022 Audi A4 Sedan FWD |
| Chassis Code | B9 |
| Ride-Height Adjustable | Yes |
| Damping Adjustment | 1-Way |
| Kit Includes | 4 Shock Absorbers |
| Kit Includes | Springs |
| Quantity | Full Set (Front & Rear) |
Vehicle Fitment
- 2017 Audi A4 Sedan FWD (B9)
- 2018 Audi A4 Sedan FWD (B9)
- 2019 Audi A4 Sedan FWD (B9)
- 2020 Audi A4 Sedan FWD (B9)
- 2021 Audi A4 Sedan FWD (B9)
- 2022 Audi A4 Sedan FWD (B9)

