KYB SM5983 Suspension Shock Absorber Mounting Kit - Rear Upper

KYB Rear Upper Strut Mount for Bronco

KYB SM5983 is a suspension shock absorber mounting kit for the rear upper position on select Ford Bronco models. It replaces worn mount components that can transmit vibration, noise, and harshness into the cabin.

• Rear upper suspension shock absorber mounting kit
• OE-quality replacement for the Ford Bronco rear upper mount location
• Helps isolate road impact and reduce noise from hardened vibration insulators
• Supports suspension performance and steering feel where applicable to the mount design
• KYB Mount Components line for application-specific fitment

Product Details

KYB Mount Components are built as application-specific replacement parts for suspension service. On the 2021-2023 Ford Bronco, SM5983 addresses the rear upper mount position with a design focused on restoring the isolation and support function of the original component. This part cross-references Ford MB3Z18A161A and MB3Z18A161D for the same application.

As part of the KYB Mount Components line, this mount kit is engineered for direct replacement use on the Ford Bronco platform. The part number SM5983 is also a useful reference when verifying the correct rear upper mount for 2021-2023 Ford Bronco service work.

Common Problems It Can Address

• Excessive suspension noise over bumps
• Vibration transferred into the vehicle body
• Harsh ride feel from worn mount insulators
• Reduced suspension isolation at the rear upper mount
• Service replacement for deteriorated original mount components

Installation Notes

Fits 2021-2023 Ford Bronco, rear upper. Confirm the mount position before ordering and compare the original part number, including SM5983, against the removed component. Proper suspension inspection during installation helps identify related wear in adjacent parts.

Quality Assurance

KYB is known for OE-style replacement suspension components, and its strut mounts are built to restore the fit and function expected for the application. SM5983 is part of KYB’s Mount Components line, which focuses on application-specific replacement for suspension service.