{"product_id":"firestone-2873-rear-all-in-one-analog-air-spring-kit-2011-2025-gm-silverado-sierra-2500hd-3500hd-4wd-2wd","title":"Firestone 2873 Rear All-In-One Analog Air Spring Kit | 2011-2025 GM Silverado\/Sierra 2500HD\/3500HD 4WD\/2WD","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComplete all-in-one air system\u003c\/li\u003e\n\u003cli\u003eSupports up to 5,000 lbs load\u003c\/li\u003e\n\u003cli\u003eNo-drill installation design\u003c\/li\u003e\n\u003cli\u003eInstalls in about 2.5 hours\u003c\/li\u003e\n\u003cli\u003eIncludes analog onboard compressor\u003c\/li\u003e\n\u003cli\u003eWorks with in-bed hitches\u003c\/li\u003e\n\u003cli\u003eAdjustable air pressure system\u003c\/li\u003e\n\u003cli\u003e100 PSI max air pressure\u003c\/li\u003e\n\u003cli\u003eStarts at just 5 PSI\u003c\/li\u003e\n\u003cli\u003eAll hardware and accessories included\u003c\/li\u003e\n\u003cli\u003eOne part number simplifies ordering\u003c\/li\u003e\n\u003cli\u003eFits 2011–2025 GM HD trucks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTake Control Of Your Load With Confidence\u003c\/h4\u003e\n\u003cp\u003eIf 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.\u003c\/p\u003e\n\u003ch4\u003eEngineered To Handle The Load Every Time\u003c\/h4\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Fits: \u003c\/strong\u003e 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 GM Silverado\/Sierra 2500HD\/3500HD 4WD\/2WD\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with 2011-2025 GM Silverado and Sierra 2500HD\/3500HD trucks\u003c\/li\u003e\n\u003cli\u003eWorks with both 2WD and 4WD drivetrains\u003c\/li\u003e\n\u003cli\u003eAll-in-one kit includes air springs, compressor, and accessories\u003c\/li\u003e\n\u003cli\u003eAnalog air management system is included\u003c\/li\u003e\n\u003cli\u003eChoose between analog or optional wireless control (wireless sold separately)\u003c\/li\u003e\n\u003cli\u003eNo-drill installation helps avoid permanent modifications\u003c\/li\u003e\n\u003cli\u003eRecommended to use a no-drill mounting kit for accessories\u003c\/li\u003e\n\u003cli\u003eSupports up to 5,000 pounds of load leveling\u003c\/li\u003e\n\u003cli\u003eAir pressure range adjusts from 5 PSI to 100 PSI\u003c\/li\u003e\n\u003cli\u003eEstimated install time is approximately 2.5 hours\u003c\/li\u003e\n\u003cli\u003eDesigned to work with most in-bed hitches\u003c\/li\u003e\n\u003cli\u003eIdeal for both recreational towing and commercial hauling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.firestoneairide.com\/rr-kit-install-manuals\/W217602873.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eInstall Instructions\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Firestone","offers":[{"title":"Default Title","offer_id":68059940061457,"sku":"FIR-2873","price":1063.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/0477\/1089\/files\/Screenshot2025-05-22092351.png?v=1794701762","url":"https:\/\/gautoparts.com\/products\/firestone-2873-rear-all-in-one-analog-air-spring-kit-2011-2025-gm-silverado-sierra-2500hd-3500hd-4wd-2wd","provider":"Guaranteed Auto Parts","version":"1.0","type":"link"}