Retrue Rear Air Suspension Kit for 2007–2021 Toyota Tundra – 5,000 lb Load-Leveling Support for Towing & Hauling

Description

Experience Unmatched Stability & Towing Control

Heavy towing and payload demands can cause rear sag, suspension instability, and reduced braking control. The RETRUE Rear Air Suspension Kit for Toyota Tundra 2007–2021 (Firestone 2445 Compatible) is engineered to restore ride height, improve load stability, and enhance towing confidence under demanding conditions.

Specifically designed for Toyota Tundra models from 2007 to 2021, this rear air bag suspension system provides adjustable load support for trailers, campers, boats, work equipment, and heavy cargo. By reinforcing your factory suspension with heavy-duty air helper springs, this system reduces rear-end squat, minimizes sway, improves weight distribution, and enhances overall vehicle handling.

Whether you are towing a travel trailer, hauling construction materials, or upgrading your truck for overlanding, this Tundra air suspension kit delivers the performance and reliability serious truck owners demand.

Key Performance Features

• Vehicle-Specific Fitment (Toyota Tundra 2007–2021)：Precision-engineered rear air bag kit compatible with Firestone 2445 specifications for proper frame integration and suspension geometry alignment.
• Heavy-Duty Air Helper Springs：Industrial-grade rubber air springs support heavy payloads and towing applications while maintaining factory ride comfort when unloaded. Adjustable air pressure allows you to fine-tune ride height and stiffness.
• Improved Towing Stability & Load Control——Reduces:

1. 1. Rear suspension sag
   2. Trailer sway
   3. Axle wrap
   4. Bottoming out under heavy loads. Improves braking response, steering stability, and weight distribution when towing.

• Adjustable Air Ride Performance——Customizable air pressure settings allow you to adapt to:

1. 1. Travel trailers
   2. Fifth wheel setups
   3. Boats
   4. Utility trailers
   5. Work equipment hauling
   6. Camper shells

• Corrosion-Resistant Steel Brackets：Powder-coated steel mounting brackets provide long-term durability and frame strength in harsh weather and road conditions.

Installation & Professional Fitment

This rear air suspension kit is designed for serious DIY installers and professional mechanics. The system integrates directly with the Toyota Tundra rear suspension frame mounting points.

Installation requires drilling to ensure structural strength and secure frame attachment. All hardware and mounting components are included for complete installation.

Professional tip:
For optimal efficiency, use an impact wrench and high-quality drill bits during installation to ensure proper bracket alignment and torque accuracy.

Comprehensive Kit Includes

• Rear air springs (air helper bags)

• Heavy-duty steel mounting brackets

• Air line tubing

• Air fittings and connectors

• Schrader inflation valves

• Installation hardware

• Detailed instruction manual

Everything required for a complete Toyota Tundra rear air suspension upgrade.

Why Choose RETRUE

Because towing should feel controlled, stable, and predictable.

The RETRUE Tundra rear air bag suspension system transforms your truck into a load-ready, confidence-driven towing platform. You are not simply adding air bags—you are upgrading your truck’s suspension stability, ride control, and long-term towing capability.

 

Q: Does this kit fit 4WD models? > A: Yes, it is compatible with both 2WD and 4WD Toyota Tundra models from 2007 to 2021.

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