This page covers the Whiteline Rear Trailing Arm Lower Front Bushing for the 2004 Subaru Outback (BP). Placement: rear. You receive 2 shell bushings and 2 tubes. The part number is W63398.
A trailing 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 2 hours. Get the car aligned once it is back on the ground. Working on the same car? We also list Adjustable Rear Sway Bar Link, 14mm Adjustable Front Camber Bolts, and Front Steering Rack And Pinion Mount Bushing for the Outback.
Features
Specifications
| Part Number | W63398 |
| Part Name | Trailing Arm Bushing |
| Vehicle | 2004 Subaru Outback H6 35th Anniversary Edition, H6 VDC |
| Chassis Code | BP |
| Bushing Color | Black |
| Bushing Material | Polyurethane |
| Bushing Quantity | 2 Bushings |
| Color | Black |
| Durometer | 72 |
| Grade Type | Performance |
| Hardware Included | No |
| Inside Diameter | 14.5 mm |
| Installation Difficulty | Moderate |
| Installation Time (hrs) | 2 |
| Kit Contents | 2 Shell Bushings, 2 Tubes |
| Length | 67 mm |
| Material | Polyurethane |
| Outside Diameter | 65 mm |
| Universal or Specific Fit | Specific Fit |
| Vehicle Placement | Rear |
| Wheel Alignment Required | Yes |
| Notes | – |


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