WeatherTech Cargo Liner (REAR)

2015–2018 Jeep Wrangler Unlimited JK

Part #: 42745

Overview

The WeatherTech Cargo Liner (REAR) is a precision-engineered trunk protection solution designed specifically for the 2015–2018 Jeep Wrangler Unlimited JK. This cargo liner offers complete coverage of your vehicle’s rear cargo area, shielding the interior from dirt, spills, grease, and everyday wear and tear. Ideal for Jeep owners who frequently haul gear, pets, or outdoor equipment, the liner preserves the factory carpeting and maintains your vehicle’s resale value by preventing damage.

With a custom fit tailored to the Wrangler Unlimited JK’s cargo space, this liner ensures maximum coverage and protection without interfering with cargo capacity or rear seat functionality. Its raised lip design contains liquids and debris, making cleanup quick and effortless.

Key Features

WeatherTech’s Cargo Liner combines durable materials with thoughtful design to deliver superior protection and convenience. Key features include:

• Custom computer-designed fit for 2015–2018 Jeep Wrangler Unlimited JK rear cargo area
• Raised perimeter lip to contain spills, dirt, mud, and grease
• Textured surface to help prevent cargo from shifting during transit
• Made from proprietary thermopolyolefin (TPO) material that is wear-resistant and flexible in extreme temperatures
• Available in multiple colors including Grey to complement your vehicle’s interior
• Easy to remove and clean with soap and water
• Non-toxic, odorless, and environmentally friendly material composition
• Compatible with WeatherTech Bumper Protector for enhanced rear bumper protection during loading and unloading

Construction & Design

The WeatherTech Cargo Liner is crafted from a proprietary blend of thermopolyolefin (TPO), a high-quality synthetic material engineered for durability and flexibility. This material resists cracking, fading, and warping even under harsh temperature extremes, ensuring long-lasting protection for your Jeep’s cargo area. The liner’s textured finish not only adds grip to keep cargo stable but also enhances the overall aesthetic by blending seamlessly with the vehicle’s interior.

Precision computer-aided design ensures an exact fit to the contours of the Wrangler Unlimited JK’s rear cargo space, including wheel wells and seat backs. The raised edges provide a secure barrier against spills and debris, preventing damage to the factory carpet and interior panels.

Installation & Fitment

Installation is straightforward and requires no modifications to your Jeep Wrangler Unlimited JK. The liner simply lays flat into the rear cargo area and stays securely in place thanks to its custom fit. Removal for cleaning or seasonal use is quick and hassle-free, allowing you to maintain a clean and protected cargo space with minimal effort.

What's Included

• One WeatherTech Cargo Liner (Rear) in Grey
• Installation instructions

Ideal For

This cargo liner is perfect for Jeep Wrangler Unlimited JK owners who want to protect their vehicle’s rear cargo area from damage caused by outdoor adventures, pet transport, sports equipment, gardening supplies, or everyday hauling. It is especially beneficial for those who require a durable, easy-to-clean solution that maintains the interior’s appearance and value over time.

WeatherTech is an American automotive accessories brand best known for custom-fit interior protection like FloorLiner and all‑weather floor mats, plus cargo liners and deflectors designed to keep daily drivers and track haulers clean. For enthusiasts, it’s an easy “protect the investment” upgrade—especially on vehicles that see wet weather, dirt, tools, and weekend abuse.