Bilstein B4 OE Replacement Suspension Strut Assembly

1999–2004 Porsche 911

Part #: 22-113337

Overview

The Bilstein B4 OE Replacement Suspension Strut Assembly is designed to restore your Porsche 911's original ride quality and handling characteristics. Crafted specifically for the 1999-2004 model years, these dampers offer a perfect balance of comfort, control, and durability. Whether you're a daily driver seeking to maintain factory-like performance or a Porsche enthusiast aiming to preserve the vehicle's original driving dynamics, these struts are an ideal choice.

Engineered with precision and backed by Bilstein's renowned reputation for quality, the B4 OE Replacement dampers help ensure your Porsche maintains its factory standards of safety and performance. They are a direct replacement for worn or damaged OEM units, providing a seamless fit and reliable operation that keeps your vehicle performing at its best.

Key Features

The Bilstein B4 OE Replacement Dampers incorporate advanced engineering and high-quality materials to deliver exceptional performance and longevity. These features include:

• OE-specific design ensures perfect fitment and maintains original ride height and handling characteristics.
• High-quality steel construction with precision-machined components for durability and reliability.
• Gas-pressure technology provides consistent damping performance, improving stability and control.
• Bilstein's proprietary monotube design enhances heat dissipation and reduces fade during spirited driving or extended use.
• Seamless integration with your vehicle's suspension system, restoring factory handling and comfort.
• Manufactured to meet or exceed OE standards, ensuring safety and performance are maintained.
• Designed for easy installation with no modifications required, making it a straightforward upgrade or replacement.

Construction & Design

The Bilstein B4 OE Replacement Strut Assemblies feature a robust monotube design that provides consistent damping performance across a wide range of driving conditions. The high-strength steel housing is precision-engineered to match the original specifications of the Porsche 911, ensuring a perfect fit and optimal function. The gas-pressure technology inside the damper helps maintain consistent damping force, reducing body roll and improving steering response.

These dampers are TIG-welded and undergo rigorous quality control processes to ensure durability and reliability. The design emphasizes heat dissipation and resistance to fade, which is especially beneficial during spirited driving or long-distance cruising. The OE-specific valving ensures that ride comfort and handling are preserved, maintaining the Porsche's characteristic driving experience.

Installation & Fitment

The Bilstein B4 OE Replacement Suspension Strut Assemblies are designed as direct bolt-on replacements for the original equipment. No cutting, drilling, or modifications are required, making installation straightforward for experienced technicians or skilled DIY enthusiasts. Proper tools and basic suspension knowledge will ensure a smooth replacement process. It is recommended to inspect other suspension components during installation to ensure optimal performance and safety.

• Direct fit for 1999-2004 Porsche 911 models
• No special tuning or alignment adjustments are typically necessary after installation, but a wheel alignment is recommended to ensure optimal handling and tire wear.

What's Included

• One complete OE replacement strut assembly with integrated coil spring (if applicable)
• Mounting hardware and bushings (if included in OEM design)
• Installation instructions and warranty information

Ideal For

• Porsche 911 owners seeking to restore original ride quality and handling
• Drivers replacing worn or damaged OEM suspension components
• Enthusiasts who want reliable, high-quality dampers that meet or exceed factory standards
• Anyone looking for a straightforward, maintenance-friendly suspension upgrade