RETRUE Air Suspension Kit｜Silverado Sier2500/3500HD Premium

5,000 lbs Load Leveling Capacity:
Heavy-duty air springs provide up to 5,000 lbs load leveling capacity for Chevy Silverado 2500HD, Silverado 3500HD, GMC Sierra 2500HD, and Sierra 3500HD towing and hauling. This rear air bags suspension kit helps eliminate rear-end sag when towing trailers, RVs, campers, fifth-wheel trailers, work trailers, or hauling heavy cargo. It helps maintain a level ride under load for improved control, braking stability, and safer towing. Ideal for drivers looking for Silverado 2500HD air bags, Sierra 3500HD air suspension, truck air bags, air bags for towing, load leveling air bags, and rear air suspension support.

Reinforced Dual-Bellow Air Springs:
Built with heavy-duty double-bellow air bags, this air bag suspension kit provides stronger support and better load distribution than standard kits. The reinforced dual-bellow air springs help support heavy loads while resisting wear, deformation, and harsh road conditions. Designed for demanding towing and hauling, this system is a reliable upgrade for rear air bags, air helper springs, helper bags for trucks, air springs for trucks, and heavy-duty truck air suspension.

Fully Adjustable Ride Control — 5–100 PSI:
Easily fine-tune your rear air suspension with an adjustable pressure range from 5 to 100 PSI. Add air pressure for heavy towing, trailers, campers, or loaded cargo, or reduce pressure for a smoother daily ride. These adjustable air helper springs help improve ride height, steering response, braking stability, headlight alignment, and overall towing control when your truck is loaded.

Improved Stability & Safer Towing:
Reduce rear-end squat, sway, and bounce under load with this load leveling air bag kit. Designed to enhance rear suspension control, the kit helps your Silverado or Sierra stay more stable when towing at highway speeds or carrying heavy equipment. This air suspension kit for towing delivers a more controlled driving experience for RV towing, trailer hauling, work truck use, and heavy cargo applications.

Bolt-On Installation with OEM Fit:
Designed for a precise vehicle-specific fit, this bolt-on air suspension kit uses factory mounting points for a true no-drill air bag installation. No frame modification is required, helping save installation time while maintaining a secure OEM-style setup. The precision-fit brackets make this kit a practical upgrade for Silverado 2500HD load leveling, Sierra 3500HD rear air bags, and GM truck air suspension support.

Premium Materials & Long-Term Durability:
Constructed with powder-coated carbon steel brackets and corrosion-resistant components, this heavy-duty rear air suspension kit is built to withstand harsh environments and long-term towing conditions. Reinforced rubber air bags and durable mounting hardware provide reliable performance over time, making it ideal for air bags for towing, truck air bags, load leveling kits, air springs for trucks, helper bags, and Silverado/Sierra air suspension upgrades.

Chevrolet：
·Silverado 2500HD (2011–2026) – 2WD / 4WD
·Silverado 3500HD (2011–2026) – 2WD / 4WD

GMC：
·Sierra 2500HD (2011–2026) – 2WD / 4WD
·Sierra 3500HD (2011–2026) – 2WD / 4WD

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 Capacity: Up to 5000 lbs

Air Pressure Range: 5–100 PSI

Air Spring Height: 5.5" – 7.0"

Material (Air Bag): Reinforced Rubber

Material (Bracket): Carbon Steel

Finish: Powder-Coated + Anti-Corrosion

Installation: Bolt-On (No Drilling Required)

Position: Rear Suspension

Q1: What makes this better than cheaper air bag kits?
A: RETRUE uses reinforced air springs, premium coatings, and precision brackets for superior durability and performance.

Q2: Is this suitable for heavy towing?
A: Yes, it is designed specifically for heavy-duty towing up to 5000 lbs load leveling capacity.

Q3: Will it improve ride quality?
A: Yes, it reduces bounce, sway, and squat for a smoother and more controlled ride.

Q4: How long does it last?
A: With proper use, it is built for long-term durability under demanding conditions.

Q5: Is installation complicated?
A: No, it features a bolt-on design using factory mounting points.