Whiteline Rear Upper Control Arm Outer Bushing – 2000-2009 Subaru Legacy
Restore Rear Camber Precision on Your BH/BE/BP/BL Legacy
The rear upper control arm outer bushing on the 2000-2009 Subaru Legacy is the outer chassis mount of the rear upper arm — a position that directly affects rear camber under cornering loads. When this bushing wears, the arm can shift at its outer mount, allowing rear camber to change dynamically under load. Whiteline’s polyurethane replacement restores geometric consistency and improves rear axle precision.
DETAILS
- Polyurethane compound for rear upper control arm outer position
- Reduces rear camber variation under cornering loads
- Fits 2000-2009 Subaru Legacy (BH/BE and BP/BL chassis)
- Direct press-fit replacement
- Limited Lifetime Warranty
Legacy Rear Suspension Geometry
The BH/BE (2000-2004) and BP/BL (2005-2009) Legacy use a sophisticated multi-link rear suspension. The upper control arm’s outer bushing is a pivot point that controls rear camber — when it wears and develops angular play, the camber changes dynamically under cornering load rather than staying at the aligned value. This produces inconsistent grip and rear end feel that’s difficult to diagnose without knowing the bushing is worn.
BL/BP Legacy GT Performance Use
The Legacy GT with its turbo engine is used for spirited street driving and track events in numbers that exceed the model’s mainstream reputation. Under those loads, rear bushing wear accelerates and the handling precision that makes the Legacy GT rewarding begins to fade. Whiteline’s bushing at this position is a targeted fix.
Part of a Rear Bushing Refresh
Whiteline covers the BH/BE and BP/BL Legacy rear suspension with bushings at multiple arm positions. Doing the upper outer alongside the lower outer and inner positions produces a comprehensive rear suspension refresh.
Why Choose Whiteline
Whiteline has been engineering suspension components from their facility in Australia since 1979. Every product in their catalog is developed with a clear goal: measurable improvement in handling, stability, and tyre contact. Whiteline’s polyurethane bushings, sway bars, control arms, and alignment correction kits are engineered using finite element analysis and validated on track before they reach the market. Their components are direct-fit, bolt-on solutions designed for enthusiasts who want real performance gains without fabrication or custom work.
The RallySport Take
A targeted bushing upgrade for the Legacy platform. If your Legacy has developed rear end imprecision or inconsistent camber feel in corners, this is one of the first positions to address. Budget an afternoon for the job — bushing replacement is not complicated but does require the correct press tools and clean installation technique. Apply grease to all polyurethane-to-metal interfaces and assemble at ride height for correct bushing set. The improvement in chassis feel is immediate and the polyurethane will outlast whatever rubber is in there now.
What’s in the Box
- Polyurethane compound for rear upper control arm outer position
- Reduces rear camber variation under cornering loads
- Direct press-fit replacement
Fitment
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2000-2009 | Subaru | Legacy | All |






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