Universal Air Bag Suspension Kit 6000 LBS 5–100 PSI | RETRUE

6,000 LBS Load-Leveling Support: This universal air bag suspension kit provides up to 6,000 lbs of adjustable suspension support to help reduce rear sag, bouncing, and sway during towing and hauling without increasing vehicle weight ratings.

5–100 PSI Adjustable Support: Tune these air bags for trucks according to changing loads for more flexible suspension support when carrying cargo, equipment, or towing trailers.

3-Chamber Air Spring Design: Upgraded three-chamber air suspension air bags provide increased suspension travel and progressive support, while natural rubber and metal construction delivers dependable durability.

Universal Custom Installation: Includes two air bags, 1/2" air fittings, and installation bolts. Vehicle-specific mounting brackets are not included. This rear air suspension kit requires compatible or fabricated brackets and proper clearance verification before installation.

Application: Custom Truck, Work Truck, Trailer, and Modified Suspension Projects

Vehicle-Specific Fitment: Not Vehicle-Specific

Installation Type: Custom Installation

Load-Leveling Support: Up to 6,000 lbs per Pair

Operating Pressure: 5–100 PSI

Minimum Air Spring Height: 4.6 Inches

Maximum Air Spring Height: 13.8 Inches

Design Height: 10.43 Inches

Air Fitting Connection: 1/4-Inch OD Tubing × 1/2-Inch NPT Thread

Mounting Hole Thread: 3/8-16 UNC

Mounting Brackets: Not Included

Bracket Requirements: Compatible Brackets Must Be Sourced or Fabricated for the Intended Application

Clearance Requirements: Verify Frame-to-Axle Space, Suspension Travel, Air Spring Alignment, and Component Clearance

Fitment Note: Universal design does not guarantee direct fitment on every vehicle. Verify mounting dimensions, suspension geometry, operating height, and available clearance before purchase.

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: Universal Air Suspension Kit

Product Model: RAK-3UAB

Air Spring Design: Triple-Bellow

Package Quantity: 2 Air Springs

Load-Leveling Support: Up to 6,000 lbs per Pair

Operating Pressure: 5–100 PSI

Minimum Air Spring Height: 4.6 Inches

Maximum Air Spring Height: 13.8 Inches

Design Height: 10.43 Inches

Bellows Material: Natural Rubber

End Plate Material: SPHC Steel

End Plate Finish: Corrosion-Resistant Coating

Air Port Thread: 1/2-14 NPT

Air Tubing Connection: 1/4-Inch Outside Diameter

Mounting Hole Thread: 3/8-16 UNC

Air Fittings: Included

Installation Bolts: Included

Mounting Brackets: Not Included

Installation Method: Custom Mounting; Bracket Sourcing or Fabrication May Be Required

Application: Custom Truck Suspension, Towing, Hauling, and Load-Leveling Projects

Capacity Note: Does Not Increase Factory GVWR, GAWR, Payload, or Towing Capacity

Q1: Is this universal air bag suspension kit compatible with any truck?
A: This universal air bag suspension kit is designed for custom suspension applications rather than guaranteed direct fitment on every truck. Compatibility depends on mounting space, frame-to-axle dimensions, suspension travel, clearance, and the availability of suitable fabricated or compatible brackets.

Q2: How much load-leveling support do these air bags provide?
A: The pair of air suspension air bags provides up to 6,000 lbs of load-leveling support when properly installed. This rating describes supplemental suspension support and does not increase the vehicle manufacturer's GVWR, GAWR, payload, or towing capacity.

Q3: What air pressure should I use in these air bags for trucks?
A: These air bags for trucks operate between 5 and 100 PSI. Pressure can be adjusted according to vehicle load and suspension conditions while remaining within the specified operating range. Different towing and hauling loads may require different pressure settings.

Q4: Does this air suspension kit include mounting brackets?
A: No. This universal air suspension kit includes two three-chamber air bags, 1/2" air fittings, and installation bolts, but vehicle-specific mounting brackets are not included. Suitable brackets must be sourced or fabricated for the intended suspension configuration.

Q5: Can these air bags increase my truck's towing or payload capacity?
A: No. Air bags for towing provide supplemental load-leveling support to help reduce sag, bouncing, and sway under load, but they do not increase the manufacturer's GVWR, GAWR, payload, or towing capacity. Always operate the vehicle within its original weight ratings.