Firestone 2873 Rear All-In-One Analog Air Spring Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 4WD/2WD

Features:

• Complete all-in-one air system
• Supports up to 5,000 lbs load
• No-drill installation design
• Installs in about 2.5 hours
• Includes analog onboard compressor
• Works with in-bed hitches
• Adjustable air pressure system
• 100 PSI max air pressure
• Starts at just 5 PSI
• All hardware and accessories included
• One part number simplifies ordering
• Fits 2011–2025 GM HD trucks

Take Control Of Your Load With Confidence

If you’ve ever white-knuckled your way through a haul, wondering if your rear suspension was up to the task, it’s time to make a change. The Firestone 2873 Rear All-In-One Analog Air Spring Kit brings everything you need into one clean, complete package for your 2011-2025 Silverado or Sierra 2500HD/3500HD. From weekend warriors towing campers to jobsite regulars hauling heavy gear, this setup gives your truck the extra support it needs to handle the weight without the sag. The onboard analog compressor lets you easily manage air levels without scrambling for a separate air source. Installation is no-drill and can be knocked out in an afternoon, making it a solid upgrade without the downtime. Once it's in, you’ll feel the difference with better ride height, improved handling, and greater confidence whether you're on the highway or pulling into a steep driveway. This system doesn’t just make your truck look level, it makes it perform the way it should under load. It’s a smart, all-in-one solution for anyone serious about towing or hauling.

Engineered To Handle The Load Every Time

The Firestone 2873 kit is built with durability and convenience at its core, designed specifically for 2011-2025 GM Silverado and Sierra 2500HD/3500HD trucks in both 2WD and 4WD configurations. It includes a pair of air springs, an analog compressor, and all the fittings and brackets you need to get the system up and running quickly. With a load-leveling capacity of up to 5,000 pounds, this setup adds serious muscle to your truck’s suspension without interfering with in-bed hitches or requiring frame modifications. The air system operates between 5 and 100 PSI, offering flexible adjustability for changing loads and driving conditions. Firestone’s no-drill design means the install process takes around 2.5 hours and doesn't require permanent changes to your truck’s structure. All hardware is included, and a single part number makes ordering simple and stress-free. Whether you're towing a fifth wheel or hauling heavy materials for work, this kit delivers consistent support and long-lasting performance when you need it most.

Fits: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 GM Silverado/Sierra 2500HD/3500HD 4WD/2WD

Notes:

• Compatible with 2011-2025 GM Silverado and Sierra 2500HD/3500HD trucks
• Works with both 2WD and 4WD drivetrains
• All-in-one kit includes air springs, compressor, and accessories
• Analog air management system is included
• Choose between analog or optional wireless control (wireless sold separately)
• No-drill installation helps avoid permanent modifications
• Recommended to use a no-drill mounting kit for accessories
• Supports up to 5,000 pounds of load leveling
• Air pressure range adjusts from 5 PSI to 100 PSI
• Estimated install time is approximately 2.5 hours
• Designed to work with most in-bed hitches
• Ideal for both recreational towing and commercial hauling

Install Instructions