SuperPro Rear Upper Rearward Diff-to-Subframe Mount Bush Set

2011–2021 Chrysler 300, 2011–2021 Dodge Charger

Part #: SPF5165K

Overview

The SuperPro Rear Differential Mount Bush Kit is a high-quality suspension upgrade engineered specifically for the 2011 to 2021 Chrysler 300 and Dodge Charger models. This kit replaces the factory rubber bushings with durable polyurethane components designed to improve rear differential stability, enhance vehicle handling, and maintain precise suspension geometry. Ideal for drivers seeking improved control, reduced drivetrain movement, and increased component longevity, these bushings deliver a firmer yet quieter ride compared to traditional rubber mounts.

Whether you use your vehicle for daily driving or spirited performance, this kit ensures the rear differential remains securely positioned under all conditions, helping to optimize tire wear, improve safety, and maintain fuel efficiency.

Key Features

SuperPro’s Rear Differential Mount Bush Kit combines advanced materials and engineering to provide superior performance and durability. Key features include:

• Enhances vehicle handling and responsiveness by stabilizing the rear differential
• Constructed from proprietary engineering-grade polyurethane for increased strength and longevity
• Resistant to extreme temperatures, oils, water, and coolant for reliable performance in harsh environments
• Improves tire wear by maintaining correct suspension geometry and reducing unwanted movement
• Designed and manufactured in Australia under strict quality control standards
• Simple bolt-in replacement with direct fitment—no modifications required
• Provides a firmer, quieter alternative to factory rubber bushings
• Backed by a lifetime warranty, reflecting confidence in product durability

Construction & Design

Each bushing in this kit is crafted from a proprietary polyurethane formula that outperforms conventional rubber in both strength and durability. This material resists degradation caused by heat, oils, chemicals, and environmental exposure commonly encountered in automotive applications. The design focuses on minimizing deflection of the rear differential mount, which translates to improved handling precision and reduced drivetrain movement.

Manufactured in Australia using advanced molding techniques and subjected to rigorous testing, these bushings ensure a perfect fit and consistent performance for the Chrysler 300 and Dodge Charger models within the specified years.

Installation & Fitment

The SuperPro Rear Differential Mount Bush Kit is a direct replacement for the factory bushings on 2011 through 2021 Chrysler 300 and Dodge Charger vehicles. Installation requires only standard hand tools and can be performed by experienced DIY enthusiasts or professional technicians. No modifications to the vehicle’s suspension or mounting points are necessary, making this a straightforward upgrade that restores or improves rear differential stability and overall driving dynamics.

What's Included

• 2 x Rear Differential Mount Bushings
• Installation instructions

Ideal For

This kit is perfect for Chrysler 300 and Dodge Charger owners who want to enhance their vehicle’s handling without sacrificing comfort or reliability. It is especially beneficial for drivers experiencing excessive rear differential movement, uneven tire wear, or those seeking a more connected and responsive driving experience. Additionally, it suits enthusiasts who demand durable, maintenance-free suspension components suitable for both daily driving and spirited performance use.

SuperPro is an Australian suspension specialist known for high-performance polyurethane bushings, control arms, and sway bar components designed for both 4x4 and performance vehicles. Their parts are built to sharpen handling and improve durability compared with worn factory rubber, making them a common upgrade for enthusiasts chasing tighter response and longer-lasting suspension control.