DEI Sound Deadening Rear Side Window Trim Kit

Jeep Wrangler 11-18 3.8L/3.6L/2.0L

Part #: 50152

Overview

The DEI Sound Deadening Rear Side Window Trim Kit is a precision-engineered accessory designed to enhance the interior comfort and acoustic environment of your 2007–2018 Jeep Wrangler. This 2-piece trim kit complements your existing headliner installation by providing additional sound deadening and thermal insulation. It effectively reduces road noise and minimizes heat transfer, resulting in a quieter, more comfortable cabin experience during every drive.

Ideal for Jeep enthusiasts looking to improve their vehicle’s interior refinement without compromising factory aesthetics, this trim kit offers a professional, finished look that seamlessly integrates with your Jeep’s design. Whether you’re tackling off-road trails or cruising city streets, the DEI trim kit helps maintain a peaceful cabin environment.

Key Features

Engineered to deliver superior sound and thermal insulation, the DEI Rear Side Window Trim Kit offers the following benefits:

• Two-piece design tailored specifically for the rear side windows of 2007–2018 Jeep Wrangler models
• Constructed with open cell polyurethane foam for effective sound absorption and thermal insulation
• Durable black polymer surface treatment that resists wear and complements Jeep interiors
• Reduces road noise and vibration for a quieter ride
• Improves cabin temperature regulation by minimizing heat transfer
• Easy integration with existing headliner installations for a seamless, factory-quality finish
• Lightweight yet robust materials that do not add unnecessary bulk or weight
• Enhances overall driving comfort and interior ambiance

Construction & Design

The DEI Rear Side Window Trim Kit is crafted from high-quality open cell polyurethane foam, a material known for its excellent sound absorption and thermal insulation properties. This foam core is treated with a durable polymer coating that provides a sleek black finish, ensuring the trim kit not only performs well but also maintains a clean, professional appearance over time.

The design is precisely molded to fit the contours of the Jeep Wrangler’s rear side window area, allowing for a snug fit that prevents gaps and maximizes sound deadening effectiveness. The combination of materials and design ensures long-lasting durability and resistance to environmental factors such as moisture and temperature fluctuations.

Installation & Fitment

Installation of the DEI Sound Deadening Rear Side Window Trim Kit is straightforward and designed to integrate seamlessly with your Jeep Wrangler’s existing headliner setup. The kit requires no permanent modifications or complex tools, making it accessible for both professional installers and experienced DIY enthusiasts.

Each piece is engineered to fit precisely within the rear side window trim area of Jeep Wrangler models from 2007 through 2018, ensuring a perfect fit and optimal performance. This kit is compatible with factory and aftermarket headliners, providing flexibility in your interior upgrade projects.

What's Included

• Two-piece rear side window trim kit
• Pre-treated sound deadening foam panels with polymer surface
• Installation instructions

Ideal For

This trim kit is perfect for Jeep Wrangler owners who want to enhance their vehicle’s interior comfort by reducing unwanted noise and improving thermal insulation. It is especially beneficial for those who frequently drive on highways, off-road trails, or in noisy urban environments and desire a quieter, more refined cabin atmosphere. Additionally, it suits enthusiasts completing a headliner upgrade seeking a professional, finished appearance.

Design Engineering, Inc. (DEI) specializes in heat and sound management products for performance vehicles, including exhaust/header wraps, sleeves, reflective heat barriers, and shields. Controlling heat under the hood and near sensitive components is a key reliability upgrade for turbo builds, track cars, and tight engine bays—making DEI a staple brand in motorsports thermal protection.