Eibach ERS 3.75" I.D. | 18inch Length | 750lbs/inch

Length: 18 inch (457 mm) | Inside Diameter: 3.75 inch (95–95.25 mm) | Rate: 750 lbs/inch (13.39 kg/mm, 131 N/mm) | Block Height: 9.01 inch (229 mm) | Travel: 8.99 inch (228 mm) | Load at Block Height: 6741 lbs (29985 N) | Weight: 23.08 lbs (10.47 kg)

Part #: 1800.375.0750S

Overview

The Eibach ERS (External Reservoir Shock) is a high-performance suspension component designed to deliver exceptional handling and ride quality for enthusiasts seeking superior control and stability. With a 3.75-inch inside diameter and an 18-inch length, this shock absorber is engineered to support aggressive driving, off-road adventures, or any application demanding precise damping and durability. Whether you're upgrading your vehicle for spirited street driving or off-road excursions, the ERS series provides the reliability and performance you need.

Built with advanced materials and engineering, the Eibach ERS shock features a robust 750 lbs/inch spring rate, offering a balanced combination of support and comfort. Its external reservoir design helps dissipate heat more effectively, maintaining consistent damping performance even during extended or demanding use. This shock absorber is ideal for drivers who want to improve their vehicle's handling characteristics, reduce body roll, and enhance overall stability under load.

Key Features

The Eibach ERS 3.75" I.D. shock offers several key features that set it apart from standard suspension components:

• High-strength steel construction with a durable finish ensures long-lasting performance in harsh conditions.
• External reservoir design allows for increased oil capacity, reducing fade during extended use and improving heat dissipation.
• Adjustable damping settings (if applicable) provide tailored ride characteristics for street, off-road, or performance driving.
• Precision-machined components and TIG welding ensure a perfect fit and reliable operation.
• Optimized spring rate of 750 lbs/inch supports aggressive driving styles and heavy loads without sacrificing ride comfort.
• Heavy-duty mounting hardware and bushings facilitate straightforward installation and secure fitment.
• Designed to support vehicle modifications that require upgraded suspension for improved handling and stability.

Construction & Design

The Eibach ERS shock features a high-quality steel body with a corrosion-resistant finish, ensuring durability and longevity. Its 3.75-inch inside diameter provides ample oil capacity for efficient heat management, while the 18-inch length offers versatile fitment options for various vehicle setups. The external reservoir is connected via high-pressure hoses, allowing for increased oil volume and better heat dissipation during intense driving conditions. The shock's piston and valving are engineered for smooth, responsive damping, providing a controlled ride that enhances both comfort and performance.

Installation & Fitment

The Eibach ERS 3.75" I.D. shock is a bolt-on upgrade that requires no cutting or welding. Its design aligns with standard mounting points, making installation straightforward for experienced DIY enthusiasts or professional mechanics. Proper tools and basic suspension knowledge are recommended to ensure correct setup. No tuning or additional modifications are necessary to enjoy the full benefits of this high-performance shock absorber.

• Securely mounts to existing suspension points with included hardware.
• Compatible with a variety of vehicle makes and models requiring a 3.75-inch inside diameter shock with an 18-inch length.

What's Included

• One Eibach ERS 3.75" I.D. shock absorber
• High-pressure hoses for external reservoir connection
• Mounting hardware and bushings
• Installation instructions

Ideal For

• Performance enthusiasts seeking improved handling and stability
• Off-road drivers requiring durable, heat-resistant suspension components
• Vehicle owners looking to upgrade their suspension for spirited driving or heavy loads