Bestop Seat Adapter Slider Kit

2003–2006 Jeep Wrangler 4.0L I6

Part #: 51248-01

Overview

The Bestop Seat Adapter Slider Kit is an essential upgrade for Jeep Wrangler TJ owners looking to install Trailmax II front seats in their 2003 to 2006 models equipped with the 4.0L inline-six engine. Designed specifically for the passenger side, this adapter kit ensures a secure and proper mounting solution for aftermarket seats, replacing the factory seat mounting system. Beyond compatibility, it offers enhanced functionality by providing up to six inches of additional seat travel compared to the original equipment, allowing for improved driver and passenger comfort and adjustability.

This adapter is ideal for Jeep enthusiasts who want to upgrade their interior seating with Trailmax II seats without compromising fitment or safety. If you plan to install seats on both the driver and passenger sides, separate adapter kits for each side are required to achieve optimal results.

Key Features

The Bestop Seat Adapter Slider Kit combines practical design with durable construction to deliver a reliable seating upgrade solution. Key features include:

• Specifically engineered for 2003–2006 Jeep Wrangler TJ models with 4.0L I6 engines
• Passenger-side adapter designed to fit Trailmax II front seats securely
• Provides up to 6 inches of additional seat travel for enhanced adjustability
• Allows for proper mounting and alignment of aftermarket seats
• Constructed to maintain factory seat positioning and safety standards
• Compatible with driver-side adapter kit for full front seat upgrades
• Powder-coated black finish for corrosion resistance and a clean appearance
• Easy integration with existing seat mounting points on the Jeep Wrangler TJ

Construction & Design

Crafted from high-quality steel, the Bestop Seat Adapter Slider Kit is built to withstand the rigors of off-road driving and daily use. The robust construction ensures long-lasting durability while maintaining a secure connection between the Trailmax II seat and the Jeep’s floor mounting points. The black powder-coated finish not only enhances corrosion resistance but also provides a sleek, factory-inspired look that complements the interior of your Wrangler TJ.

The design focuses on precision fitment, ensuring that the adapter aligns perfectly with both the seat rails and the vehicle’s mounting holes. This attention to detail guarantees a stable and safe installation that meets or exceeds OEM standards.

Installation & Fitment

Installation of the Bestop Seat Adapter Slider Kit is straightforward and requires no permanent modifications to your Jeep Wrangler TJ. The adapter mounts directly to the factory seat mounting points and the Trailmax II seat rails, providing a bolt-on solution that maintains the integrity of your vehicle’s interior. Basic hand tools are sufficient for installation, making it accessible for both professional installers and experienced DIY enthusiasts.

It is important to note that this kit is designed exclusively for the passenger side. For a complete front seat upgrade, the corresponding driver-side adapter kit must be purchased separately. Proper installation ensures maximum seat travel and comfort while maintaining safety and compliance with vehicle standards.

What's Included

• One passenger-side seat adapter slider assembly
• Mounting hardware and bolts
• Installation instructions

Ideal For

This adapter kit is perfect for Jeep Wrangler TJ owners from 2003 to 2006 who want to upgrade their front passenger seat to a Trailmax II model. It is especially suited for off-road enthusiasts and daily drivers seeking improved seat adjustability and comfort without compromising safety or factory mounting integrity. Whether you are restoring your Wrangler’s interior or enhancing it for better ergonomics, this adapter kit provides a reliable and durable solution.

Today, more than 67 years later, Bestop is the leading manufacturer of premium soft tops for Jeep Wranglers and CJs in the world, and has been the exclusive provider of OE soft tops for Jeep Wranglers for more than three decades running.