Recommended Air Bag Suspension Kit for a 2021 GMC Sierra 1500 AT4
Published 10/09/2022
Products Featured in This Question
Question:
Will I need anything else to install this on a 2021 GMC SIERRA at4 1500? What is the difference between this and the AL89388 version ?
asked by: ROY T
Expert Reply:
I would be happy to help you. I'll start out by saying that the Air Lift LoadLifter 5000 Ultimate Air Springs item # AL88288 do NOT fit the AT4 model of your 2021 GMC Sierra 1500.
The only air springs that are compatible with the AT4 model is the Air Lift LoadLifter 5000 Ultimate Air Springs w/ Internal Bumpers item # AL88388. This system has a different set of mounting brackets. Other than that both of them have a 5,000 lbs capacity and internal jounce bumpers. This air bag kit is also compatible with 5th wheel hitches but may require drilling depending on the brackets you have.
I recommend adding the Air Lift Load Controller Compressor System item # AL25856 to your set up. This onboard air compressor will allow you to adjust the PSI in your air springs individually from the comfort of your cab.
Product Page this Question was Asked From
Air Lift LoadLifter 5000 Ultimate Air Helper Springs with Internal Jounce Bumpers - Rear Axle
- Vehicle Suspension
- Towing/Load Leveling
- Air Springs
- Suspension Only
- Heavy Duty
- Rear Axle Suspension Enhancement
- Air Lift
more information >
Featured Help Information
Instructions
Continue Researching
- Q&A: Recommended Air Bags for a 2025 Silverado 1500 LTZ w/a 3.0L Diesel Engine
- Q&A: Recommended Air Bags for a 2021 GMC Sierra 1500 w/ a Diesel Engine
- Q&A: Replacement Parts Needed for Aussie Portable Gas Grill
- Article: Choosing the Right Suspension Kit for Your Truck and Trailer
- Q&A: What AIr Bag Kit Can I Use on my 2025 Chevrolet Silverado 1500 Duramax Diesel
- Article: Best Air Bag Suspension 2025
- Q&A: Suspension Enhancement Options For 2024 Chevy Silverado 1500 LT Crew Cab 4x4 Duramax
- Q&A: Recommended Air Bags for a 2020 Chevy Silverado 1500 w/ a Diesel Engine
- Q&A: Are There Long-Term Service Contracts To Use PingMaster Trailer Tracking Devices?
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Article: 5 Things to Know About Weight Distribution Hitches
- Article: RV Sway Control, Stabilization, and Suspension Enhancement
- Article: How to Accurately Measure Trailer Leaf Springs
- Article: Which Sway Control Hitch is Right For Your Trailer?