KYB Excel-G Shocks

2011–2021 Jeep Grand Cherokee 3.6L V6, 5.7L Hemi, 6.4L SRT8, 3.0L EcoDiesel, 6.4L SRT, 6.2L Trackhawk

Part #: 3440055

Overview

The KYB Excel-G Rear Shocks are engineered to restore your Jeep Grand Cherokee’s original ride control and handling characteristics. Designed specifically for model years 2011 through 2021 and compatible with multiple engine options including 3.6L V6, 5.7L Hemi, 6.4L SRT8, 3.0L EcoDiesel, and 6.2L Trackhawk, these shocks bring back the stability, responsiveness, and comfort your vehicle was built to deliver.

Whether your shocks have worn out over time or you’re looking to maintain optimal performance, the Excel-G shocks provide a direct replacement that meets or exceeds original equipment standards. Trusted by professional technicians worldwide, KYB’s Excel-G line is the preferred choice for drivers who want to preserve their Jeep’s factory ride quality without compromise.

Key Features

KYB Excel-G shocks combine advanced technology and OE-quality components to ensure reliable performance and durability. Key features include:

• OE-quality nitrogen gas-charged twin-tube design for consistent damping and reduced shock fade
• Calibrated to restore the vehicle’s original handling, stability, and ride comfort
• Manufactured on the same assembly lines as KYB’s original equipment shocks
• Durable construction with corrosion-resistant finishes for long-lasting performance
• Designed to improve stopping, lane change responsiveness, and overall ride control
• Classified as OEA (Original Equipment for the Aftermarket), ensuring exact fit and function
• Preferred by professional technicians for reliable installation and performance

Construction & Design

The KYB Excel-G shocks feature a twin-tube design filled with high-pressure nitrogen gas to prevent aeration and maintain consistent damping performance under various driving conditions. Built with premium materials and precision engineering, these shocks replicate the original equipment specifications to deliver a smooth, controlled ride.

Each shock is assembled with OE-quality components, including durable seals and valves, ensuring resistance to wear and corrosion. This robust construction helps maintain vehicle stability and handling characteristics over the life of the product, even under demanding road conditions.

Installation & Fitment

Designed as a direct replacement for the rear shocks on 2011–2021 Jeep Grand Cherokee models with specified engines, the KYB Excel-G shocks install easily using standard tools. No modifications are required, making them an ideal upgrade for restoring factory ride quality and performance. Professional installation is recommended to ensure proper fitment and optimal function.

What's Included

• One KYB Excel-G Rear Shock (Part #3440055)
• Installation instructions (where applicable)

Ideal For

This product is ideal for Jeep Grand Cherokee owners seeking to restore their vehicle’s original ride comfort, handling, and stability after shock wear or damage. It suits daily drivers, off-road enthusiasts, and performance-minded individuals who demand reliable, OE-quality suspension components without altering the vehicle’s designed characteristics.

KYB is a major shock and strut manufacturer supplying both OEM and aftermarket suspension components, with options that range from OE-replacement ride quality to more performance-oriented control. For enthusiasts, KYB upgrades are a solid way to restore damping performance and tighten handling feel with proven manufacturing scale and consistency.