Fitted to the 2004-2014 Audi A3 Base: the Whiteline Rear Upper Inner Control Arm Bushing. The chassis code on the listing is 8P. Position: rear. The part number is W63549. You receive 2 bushings and 2 tubes. The listing names the Base trim.
A control arm bushing is the pivot where the arm joins the chassis or the wheel carrier. Factory rubber is chosen for quiet and comfort, so it squashes under braking, acceleration, and cornering and lets the arm move more than it should. A firmer replacement keeps the arm where it belongs, which steadies the alignment and gives the car a more consistent feel. Polyurethane resists deflection far better than the soft rubber it replaces.
Whiteline rates the install as moderate and lists about 3 hours. Plan on a wheel alignment afterward. To go with it on the Audi A3, see Adjustable Rear Sway Bar Link, Adjustable Front Sway Bar Link, and Front and Rear Sway Bar Kit.
Features
Specifications
| Part Number | W63549 |
| Part Name | Control Arm Bushing |
| Vehicle | 2004-2014 Audi A3 Base |
| Chassis Code | 8P |
| Bushing 1 Inner Diameter | 12.2 mm |
| Bushing 1 Outer Diameter | 40.3 mm |
| Bushing Quantity | 2 Bushings |
| Grade Type | Regular |
| Installation Difficulty | Moderate |
| Installation Time (hrs) | 3 |
| Kit Contents | 2 Bushings, 2 Tubes |
| Material | Polyurethane |
| Mounting Hardware Included | No |
| Vehicle Placement | Rear |
| Wheel Alignment Required | Yes |
| Notes | – |


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