RETRUE Air Bags Suspension｜RAM 2500 3500 2003–2013 Premium

5,000 lbs Load Leveling Capacity:
Premium heavy-duty air bags provide 5,000 lbs rear support for RAM towing and hauling. This air suspension kit helps support RVs, trailers, campers, horse trailers, equipment, and heavy cargo while maintaining ride height.

Adjustable 5–100 PSI Air Pressure:
Customize rear support with adjustable air helper springs to improve ride comfort, steering control, braking stability, and towing performance.

Premium Complete Air Bag Kit:
Upgraded components, reinforced air bags, and improved hardware deliver stronger air bag suspension kit performance for RAM rear suspension, heavy-duty hauling, and load leveling.

Firestone 2299 Replacement Compatibility:
Designed for Firestone 2299 replacement applications, this kit supports air spring replacement, worn component upgrades, and reliable suspension restoration.

RAM Heavy-Duty Fitment & Durability:
Built for RAM 2500 air bags, RAM 3500 air suspension, and Dodge RAM air bags with reinforced materials for towing, hauling, and long-term load support.

RAM 1500: 2006–2008 Dodge RAM 1500 Mega Cab, 2WD/4WD.

RAM 2500:
2003–2009 Dodge RAM 2500, 2WD/4WD.
2010–2013 RAM 2500, 2WD/4WD.

RAM 3500:
2003–2009 Dodge RAM 3500, 2WD/4WD.
2010–2012 RAM 3500, 2WD/4WD.

RAM 2500 Cab-Chassis:
2004–2008 Dodge RAM 2500 Cab-Chassis, 2WD/4WD, non-dually, box-delete configuration.

RAM 3500 Cab-Chassis:
2006–2009 Dodge RAM 3500 Cab-Chassis, 4WD only, dually, box-delete configuration.
2010–2012 RAM 3500 Cab-Chassis, 4WD only, dually, box-delete configuration.

Installation Notes

Mounting position: Between the rear frame and axle.

Lifted vehicles: Spacer blocks may be required.

Spacer selection: Based on the measured distance between the upper and lower mounting brackets.

Lowered vehicles: Confirm compatibility with the installation instructions before purchase.

Cab-Chassis models: Verify drive configuration, dual rear wheel configuration, and box-delete requirements.

Always confirm the exact model, year, drivetrain, and body configuration before ordering.

Shipping:
We ship our products primarily through USPS/UPS. All items will be shipped within 72 business hours upon receipt of payment (except Saturday and Sunday). Orders placed on weekend will be shipped within 4 days.

Returns:
Items purchased from RETRUE may be returned in original unused condition within 30 days from the date of purchase for a refund, to the original form of payment. All returns must be pre-approved by RETRUE. Otherwise, unauthorized returns will not be accepted.

Warranty: Air Springs: Limited Lifetime
Hardware & Brackets of Air Springs: 2 Years
Bumpers, Hardware, Fittings & Air Line of Air Accessories: 2 Years
Hardware & Brackets of Air Accessories: 1–2 Years (depending on model; view product warranty documents for details)

Product Type: Rear Air Suspension Kit

Product Model: RAS2299HP

Edition: Premium Packaging Edition

Compatible Vehicle Families: RAM 1500 Mega Cab, RAM 2500, RAM 3500, and Selected Cab-Chassis Models

RAM 1500 Mega Cab Fitment: 2006–2008, 2WD/4WD

RAM 2500 Fitment: 2003–2013, 2WD/4WD, subject to specific model-year configuration

RAM 3500 Fitment: 2003–2012, 2WD/4WD, subject to specific model-year configuration

RAM 2500 Cab-Chassis Fitment: 2004–2008, 2WD/4WD, non-dually, box-delete configuration

Dodge RAM 3500 Cab-Chassis Fitment: 2006–2009, 4WD, dually, box-delete configuration

RAM 3500 Cab-Chassis Fitment: 2010–2012, 4WD, dually, box-delete configuration

Load-Leveling Support: Up to 5,000 lbs

Operating Pressure: 5–100 PSI

Air Spring Height: 5.5–7.0 Inches, According to the Product Sizing Guide

Installation Type: Bolt-On Design, as Specified for Compatible Applications

Mounting Position: Between Rear Frame and Axle

Spacer Requirement: May Be Required for Lifted Vehicles

Spacer Selection: Based on Actual Upper-to-Lower Bracket Distance

Package Contents: Two Air Springs, Mounting Brackets, Installation Hardware, Air Tubing, Inflation Valves and Fittings, Cable Ties, and Other Listed Components

Premium Packaging: Upgraded RETRUE Retail Packaging and Branded Decorative Stickers

Standard Kit Comparison: Same Air Springs, Brackets, Hardware, Fitment, Installation Method, and Performance Specifications as RAS2299

Capacity Note: Supplemental Load-Leveling Support; Does Not Increase Factory Vehicle Ratings

Q1: Why should I upgrade the rear suspension on an older RAM 2500 or RAM 3500?
A: Older RAM 2500 and RAM 3500 trucks may experience reduced rear suspension support over time. This air suspension kit helps improve load leveling and towing stability.

Q2: Is this Dodge RAM air suspension kit a replacement for worn suspension support?
A: Yes. This Dodge RAM air suspension kit provides additional rear suspension support for older trucks used for towing, hauling, and heavy-duty applications.

Q3: Can RAM 2500/3500 air bags help with work truck applications?
A: Yes. RAM 2500/3500 air bags help support trucks carrying tools, equipment, trailers, and other heavy loads while maintaining better ride balance.

Q4: Is this air suspension kit suitable for high-mileage RAM trucks?
A: Yes. This air suspension kit is designed for owners who want improved rear support from older RAM trucks without replacing the entire suspension system.

Q5: Can I adjust the support level for different loads?
A: Yes. Adjustable air pressure allows this RAM air suspension kit to provide different support levels for daily driving, towing, and hauling conditions.