Bilstein B4 OE Replacement

2013–2019 Subaru Forester Front Left Twintube Strut Assembly

Part #: 22-278401

Overview

The Bilstein B4 OE Replacement front left twintube strut assembly is designed to restore the original ride quality and handling characteristics of your Subaru Forester. Engineered with precision and backed by Bilstein's renowned reputation for quality, these dampers provide a reliable solution for drivers seeking to maintain their vehicle's factory performance. Whether your existing struts are worn out or you're restoring a vehicle to its original condition, the B4 OE Replacement ensures your Forester drives smoothly and confidently.

Ideal for daily drivers, commuters, and Subaru enthusiasts who value OEM-like performance, these strut assemblies help support consistent handling, stability, and comfort. They are a perfect choice for those looking to replace aging or damaged components without sacrificing ride quality or safety.

Key Features

The Bilstein B4 OE Replacement struts incorporate advanced engineering and high-quality materials to deliver a seamless driving experience. Key features include:

• OE-Equivalent Design: Precisely engineered to match the original factory specifications, ensuring perfect fitment and performance restoration.
• High-Quality Construction: Made with durable steel and high-grade components to withstand daily driving stresses and environmental conditions.
• Twin-Tube Technology: Utilizes Bilstein's proven twin-tube design for smooth damping and reliable handling characteristics.
• Corrosion-Resistant Coatings: Features protective coatings to resist rust and corrosion, extending the lifespan of the assembly.
• Maintains Original Ride Quality: Engineered to meet or exceed OE standards, providing a factory-like ride and handling experience.
• Direct Replacement: Designed for easy installation using factory mounting points, with no modifications required.
• Trusted Brand: Bilstein's reputation for quality and durability ensures long-lasting performance and peace of mind.

Construction & Design

The Bilstein B4 OE Replacement strut assembly is built with precision-machined components and high-strength steel to ensure durability and consistent performance. The twin-tube design features a piston rod and a hydraulic damping system that work together to absorb shocks and vibrations effectively. The assembly is coated with corrosion-resistant finishes to withstand harsh weather conditions, including snow, rain, and road salt. Its design maintains the original geometry of your Subaru Forester, ensuring proper alignment and handling characteristics are preserved.

Installation & Fitment

The Bilstein B4 OE Replacement front left twintube strut assembly is a direct bolt-on replacement for your Subaru Forester. Installation is straightforward for those with basic mechanical skills, as it uses the original mounting points and hardware. No cutting, drilling, or special tools are required. It is recommended to inspect and replace both front struts simultaneously to ensure balanced handling and optimal performance. Proper alignment after installation is advised to maintain tire wear and handling characteristics.

• Easy bolt-on installation using factory mounting points
• No modifications, cutting, or drilling required
• Compatible with Subaru Forester models from 2013 to 2019

What's Included

• 1 Bilstein B4 OE Replacement front left twintube strut assembly
• All necessary hardware and mounting components
• Installation instructions (if applicable)

Ideal For

• Owners seeking to restore original ride quality and handling
• Replacing worn or damaged factory struts
• Maintaining factory performance standards for daily driving
• Subaru Forester models from 2013 to 2019