RETRUE Rear Air Suspension Kit ｜Silverado Sierra 2500HD 3500HD

5,000 lbs Load Leveling Capacity:
Premium heavy-duty air bags provide strong rear support for Chevy Silverado and GMC Sierra 2500HD/3500HD 2011–2026 towing RVs, trailers, campers, and heavy equipment. This air suspension kit helps reduce rear sag and maintain a stable ride under load.

Adjustable 5–100 PSI Air Pressure System:
Fine-tune suspension pressure to improve ride height, steering control, braking stability, and towing performance across different load conditions.

Heavy-Duty Truck Fitment Design:
Engineered for Silverado 2500HD air bags and Sierra 3500HD air suspension applications with factory-compatible integration and reliable rear support.

No-Drill Bolt-On Installation:
Precision brackets simplify installation by using existing mounting points without permanent modifications.

Heavy-Duty Durability:
Reinforced rubber air springs and powder-coated steel brackets deliver long-term performance for Chevy truck air bags, GMC Sierra air bags, air bags for towing, and heavy-duty load leveling applications.

Compatible Vehicles:
2011–2026 Chevrolet Silverado 2500HD (2WD & 4WD)
2011–2026 Chevrolet Silverado 3500HD (2WD & 4WD)
2011–2026 GMC Sierra 2500HD (2WD & 4WD)
2011–2026 GMC Sierra 3500HD (2WD & 4WD)

Lifted Trucks: Compatible Spacer Blocks Required

Lowered Trucks: Not Compatible According to Published Fitment Guide

Installation Position: Between Truck Frame and Rear Axle

Installation Clearance: Adequate Frame-to-Axle Space Required with No Interference from Surrounding Components

In-Bed Hitch Compatibility: Verify Clearance with Fifth-Wheel and Gooseneck Hitch Mounting Brackets

Replacement Reference: Firestone Ride-Rite 2613

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)

Load Support: 5,000 lbs (Up to vehicle GVWR)

PSI Range: 5 PSI - 100 PSI

Install Type: 100% Bolt-On (No-Drill Design)

Construction: Reinforced Synthetic Rubber & Powder-Coated Steel

Q1: How much weight can this Silverado 2500HD air suspension kit support?
A: This Silverado 2500HD air suspension kit provides up to 5,000 lbs of load-leveling support to help reduce rear-end sag caused by heavy trailers, RVs, campers, and cargo.

Q2: Does this air suspension kit help reduce truck squat when towing?
A: Yes. This Silverado and Sierra air suspension kit provides additional rear suspension support to help maintain proper ride height and reduce rear squat under heavy towing conditions.

Q3: Are Sierra 3500HD air bags suitable for heavy-duty towing?
A: Yes. Sierra 3500HD air bags help improve load leveling, maintain suspension height, and provide additional support for fifth wheels, gooseneck trailers, and heavy-duty towing applications.

Q4: Do Chevy truck air bags increase payload capacity?
A: No. Chevy truck air bags do not increase the factory payload rating. They provide additional suspension support while operating within the vehicle's rated limits.

Q5: Does this Silverado air suspension kit improve towing stability?
A: Yes. This Silverado air suspension kit helps maintain proper vehicle height, improve handling balance, and provide more confident towing performance under heavy loads.