Whiteline Trailing Arm Lower Front Bushings – 1999-2009 Subaru Legacy / 2000-2009 Outback

Whiteline Trailing Arm Lower Front Bushings – 1999-2009 Subaru Legacy / Outback

Restore Rear Axle Stability on Your BH/BE or BP/BL Legacy
The trailing arm lower front bushing on the 1999-2009 Subaru Legacy and Outback is the forward mount of the rear trailing arm — a high-load position that controls rear wheel longitudinal position under acceleration and braking. When this bushing wears, the trailing arm gains fore-aft movement that changes rear toe geometry under load, producing the rear-end imprecision and instability common in high-mileage Legacy examples. Whiteline’s polyurethane replacement restores geometric consistency.

DETAILS

• Polyurethane trailing arm lower front mount bushing
• Reduces trailing arm movement under acceleration and braking loads
• Improves rear axle stability and geometry consistency
• Fitment: 1999-2009 Subaru Legacy and Outback (BH/BE and BP/BL chassis)
• Direct press-fit replacement
• Limited Lifetime Warranty

Trailing Arm Function and Wear
The trailing arm controls the fore-aft position of the rear wheel. Its forward bushing takes the highest longitudinal loads in the rear suspension — under hard acceleration, the wheel wants to move rearward; under braking, forward. A worn forward bushing allows the arm to comply with those forces, and the rear wheel changes effective toe angle dynamically under load.

Legacy GT and Outback XT Applications
The turbocharged Legacy GT and Outback XT produce significant driveline torque that accelerates wear at the trailing arm forward mount. These variants are also more likely to be driven with enthusiasm, compounding the wear rate. Whiteline’s polyurethane is the correct upgrade for any Legacy GT or Outback XT used for spirited driving.

Complete the Rear Suspension
Whiteline covers the BH/BE and BP/BL Legacy and Outback with a full range of rear suspension bushings. The trailing arm forward bushing is most effective when installed alongside the other high-wear positions for 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 and high-impact bushing for rear axle stability on the Subaru Legacy platform. If the rear end of your Legacy feels imprecise or nervous, this bushing is worth inspecting. 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 trailing arm lower front mount bushing
• Reduces trailing arm movement under acceleration and braking loads
• Improves rear axle stability and geometry consistency
• Direct press-fit replacement

Fitment