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Bilstein 19-158686 Suspension Shock Absorber - Rear
| Brand | Bilstein 19-158686 |
|---|---|
| Position | Rear |
| Boot Included | No |
| Finish | Black paint |
| Internal Design | Twintube |
| Lower Mount Type | Eye |
| Series | B4 oe replacement |
| Title | Bilstein shock absorbers |
| Upper Mount Type | Stem |
| Product line | B4 OE Replacement |
| Fits | Subaru · 5 vehicles |
OE replacement. Restores original ride quality while meeting or exceeding OE standards.
Twintube design. Helps maintain consistent damping for everyday driving comfort.
Black paint finish. Adds a clean, corrosion-resistant look to the shock absorber.
Cross-references 20365 AG00A, 20365 AG02A and 20365 AG10A for the same application. See all 8.
Bilstein B4 Rear Shock for Subaru Legacy
Restore factory ride control with the Bilstein B4 OE Replacement shock absorber, part number 19-158686. This rear shock is built for 2005-2009 Subaru Legacy applications and is engineered to maintain original ride quality while meeting or exceeding OE standards.
Key Features
- Bilstein B4 OE Replacement series for OE-style suspension restoration
- Fits 2005-2009 Subaru Legacy, rear
- Twintube internal design for consistent damping response
- Black paint finish for corrosion-resistant appearance
- Upper stem mount and lower eye mount configuration
- No boot included
Product Details
The Bilstein B4 OE Replacement line is focused on restoring the original handling balance and ride comfort of the vehicle without changing the factory suspension character. This Bilstein shock absorber, part number 19-158686, is a direct-fit rear damper for the Subaru Legacy and is built to OE-level standards for drivers who want predictable control and familiar road feel. It is a practical choice for a 2005-2009 Subaru Legacy rear shock replacement when the goal is to return the suspension to stock performance.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Problems This Part Can Address
- Excessive rear bounce after bumps or dips
- Reduced stability during braking or cornering
- Uneven or worn ride feel from aging rear dampers
- Noisy or loose-feeling rear suspension response
- Loss of factory-like comfort in a Subaru Legacy rear suspension
Installation Notes and Tips
Verify rear fitment by matching the vehicle year, make, model, and mounting style before installation. The Bilstein 19-158686 uses a stem upper mount and eye lower mount, so confirm the existing shock configuration on the 2005-2009 Subaru Legacy before ordering. Inspect related suspension components such as mounts, bushings, and springs during replacement to help restore consistent ride quality.
Quality Assurance
Bilstein is known for OE-focused suspension engineering, and the B4 OE Replacement series is built to meet or exceed original equipment standards for ride and handling restoration. The 19-158686 is designed as a direct replacement rear shock for Subaru Legacy applications listed above.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2009 | Subaru | Legacy | GT spec.B | Rear | B4 OE Replacement |
| 2008 | Subaru | Legacy | GT spec.B | Rear | B4 OE Replacement |
| 2007 | Subaru | Legacy | GT spec.B | Rear | B4 OE Replacement |
| 2006 | Subaru | Legacy | GT | Rear | B4 OE Replacement |
| 2005 | Subaru | Legacy | i | Rear | B4 OE Replacement |
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