# Bilstein 19-278421 B4 Series Rear Driver Or Passenger Side Shock Absorber for 2009-2013 Subaru Forester

### Performance Overview

Bilstein B4 Series Shocks and Struts provide with both monotube and twin-tube shock and struts are ideal as OEM replacements, and are made to guarantee factory quality performance. They feature a large-diameter body, and rely on track-proven and road ready suspension technologies.

### Key Features

-   Bilstein B4 Series Shocks and Struts provide with both monotube and twin-tube shock and struts are ideal as OEM replacements, and are made to guarantee factory quality performance.
-   They feature a large-diameter body, and rely on track-proven and road ready suspension technologies.

### Vehicle Fitment

-   2009 Subaru Forester (Position: Passenger Side; Note: X, X Limited, X Premium, Xt, Xt Limited)
-   2010 Subaru Forester (Position: Passenger Side; Note: X, X Limited, X Premium, Xt Limited, Xt Premium)
-   2011 Subaru Forester (Position: Passenger Side; Note: X, X Limited, X Premium, X Touring, Xt Premium, Xt Touring)
-   2012 Subaru Forester (Position: Passenger Side; Note: X, X Limited, X Premium, X Touring, Xt Premium, Xt Touring)
-   2013 Subaru Forester (Position: Passenger Side; Note: X, X Limited, X Premium, X Touring, Xt Premium, Xt Touring)

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase.

**What part number is this?**  
The listed part number is 19-278421.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   B4 Series Rear Driver Or Passenger Side Shock Absorber for Subaru Forester
-   19-278421 fitment
-   Bilstein B4 Series Rear Driver Or Passenger Side Shock Absorber
-   Passenger Side B4 Series Rear Driver Or Passenger Side Shock Absorber
-   2009 Subaru Forester B4 Series Rear Driver Or Passenger Side Shock Absorber

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2009

Subaru

Forester

Passenger Side

X, X Limited, X Premium, Xt, Xt Limited

2010

Subaru

Forester

Passenger Side

X, X Limited, X Premium, Xt Limited, Xt Premium

2011

Subaru

Forester

Passenger Side

X, X Limited, X Premium, X Touring, Xt Premium, Xt Touring

2012

Subaru

Forester

Passenger Side

X, X Limited, X Premium, X Touring, Xt Premium, Xt Touring

2013

Subaru

Forester

Passenger Side

X, X Limited, X Premium, X Touring, Xt Premium, Xt Touring

## Details

- **Price:** 129.35 CAD
- **Vendor:** Bilstein
- **Type:** B4 Series Rear Driver Or Passenger Side Shock Absorber
- **Tags:** 19-278421, 2009 Subaru Forester, 2010 Subaru Forester, 2011 Subaru Forester, 2012 Subaru Forester, 2013 Subaru Forester, Automotive Parts, B4 Series Rear Driver Or Passenger Side Shock Absorber, Bilstein, Bilstein Suspension, Direct Replacement, Passenger Side, Performance Suspension, Shock Absorber

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 129.35 CAD | In stock |

## Images

- Bilstein 19-278421 B4 Series Rear Driver Or Passenger Side Shock Absorber for 2009-2013 Subaru Forester

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/bilstein-subaru-forester-shock-absorber-19-278421)
> Updated: 2026-07-06