{"title":"2015-2019 GMC Sierra 3500HD Air Suspension Kits","description":"\u003cp\u003e\u003cstrong\u003eAir suspension kits engineered for the 2015-2019 GMC Sierra 3500HD, covering both single-rear-wheel and dually configurations.\u003c\/strong\u003e Stocking Air Lift LoadLifter 5000 and Firestone Ride-Rite kits rated up to 5,000 lbs of leveling capacity, with compressor-system options for on-board inflation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill these bags let me tow and haul heavier without squat?\u003c\/strong\u003e Yes. The bags mount inside the factory rear coils or leaf pack and inflate from 5 to 100 PSI to level the truck under gooseneck, fifth-wheel, or bed loads without changing unloaded ride height.\u003c\/p\u003e\u003cp\u003eVerified fitment for your Sierra 3500HD, no guesswork.\u003c\/p\u003e\u003c!--sp-col-rw--\u003e","products":[{"product_id":"air-lift-loadlifter-7500xl-ultimate-air-spring-kit-2015-2019-gmc-sierra-3500hd","title":"Air Lift LoadLifter 7500XL Ultimate Air Spring Kit | 2015-2019 GMC Sierra 3500HD","description":"\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"Air Lift LoadLifter 7500XL Ultimate Air Spring Kit | 2015-2019 GMC Sierra 3500HD\",\"description\":\"Fits 2015-2019 GMC Sierra 3500HD. This air spring kit installs between the frame and axle of your 2015-2019 GMC Sierra 3500HD to eliminate squat, bottoming out, and trailer sway when towing heavy.The closed-cell urethane foam jounce bumper inside each spring cushions impacts on rough roads and lets you run lower pressures with heavy loads. Air Lift-exclusive upper and lower roll plates add protection, and the springs are built like tires with 2-ply fabric reinforcement.Adjustable from 5-100 PSI, the 7500XL Ultimate offers up to \",\"brand\":{\"@type\":\"Brand\",\"name\":\"Air Lift\"},\"offers\":{\"@type\":\"Offer\",\"availability\":\"https:\/\/schema.org\/InStock\",\"seller\":{\"@type\":\"Organization\",\"name\":\"Stateside Performance\"}},\"vehicleConfiguration\":\"2015-2019 GMC Sierra 3500HD\"}\u003c\/script\u003e\n\u003cstyle\u003e\n.sp-product-body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;font-size:16px;line-height:1.6;color:#1a1a1a;max-width:800px}\n.sp-product-body h2{font-size:1.15em;font-weight:700;margin:1.4em 0 .5em;padding-bottom:.3em;border-bottom:2px solid #f0f0f0;letter-spacing:-.01em}\n.sp-product-body p{margin:.6em 0;font-size:1em;line-height:1.65}\n.sp-product-body ul{padding-left:1.3em;margin:.5em 0}\n.sp-product-body li{margin:.35em 0;font-size:.97em;line-height:1.55}\n.sp-product-body li strong{color:#111}\n.sp-fitment-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1em 0;border-radius:6px;border:1px solid #e2e2e2}\n.sp-fitment-table{width:100%;border-collapse:collapse;font-size:.88em;min-width:420px}\n.sp-fitment-table thead tr{background:#f7f7f7}\n.sp-fitment-table th{text-align:left;padding:9px 12px;font-weight:600;font-size:.82em;text-transform:uppercase;letter-spacing:.04em;color:#555;border-bottom:2px solid #e2e2e2;white-space:nowrap}\n.sp-fitment-table td{padding:8px 12px;border-bottom:1px solid #ebebeb;vertical-align:top;color:#2a2a2a}\n.sp-fitment-table tbody tr:last-child td{border-bottom:none}\n.sp-fitment-table tbody tr:nth-child(even){background:#fafafa}\n@media(max-width:600px){.sp-product-body{font-size:15px}.sp-product-body h2{font-size:1.1em}.sp-fitment-table{font-size:.83em}.sp-fitment-table th,.sp-fitment-table td{padding:7px 9px}}\n\u003c\/style\u003e\n\u003cdiv class=\"sp-product-body\"\u003e\n\u003cp\u003eThe Air Lift LoadLifter 7500XL Ultimate fits the 2015-2019 GMC Sierra 3500HD and delivers 7,500 lbs of load-leveling capacity for heavy towing and hauling.\u003c\/p\u003e\n\u003cp\u003eAn internal jounce bumper absorbs shock for a smoother ride under load.\u003c\/p\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThis air spring kit installs between the frame and axle of your 2015-2019 GMC Sierra 3500HD to eliminate squat, bottoming out, and trailer sway when towing heavy.\u003c\/p\u003e\n\u003cp\u003eThe closed-cell urethane foam jounce bumper inside each spring cushions impacts on rough roads and lets you run lower pressures with heavy loads. Air Lift-exclusive upper and lower roll plates add protection, and the springs are built like tires with 2-ply fabric reinforcement.\u003c\/p\u003e\n\u003cp\u003eAdjustable from 5-100 PSI, the 7500XL Ultimate offers up to 20% more air volume than the LoadLifter 5000 series for precise load control.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eFits: 2015-2019 GMC Sierra 3500HD\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e7,500 lbs load-leveling capacity\u003c\/li\u003e\n\u003cli\u003eAdjustable from 5-100 PSI\u003c\/li\u003e\n\u003cli\u003eInternal closed-cell urethane jounce bumper\u003c\/li\u003e\n\u003cli\u003eUp to 20% more air volume vs LoadLifter 5000\u003c\/li\u003e\n\u003cli\u003e2-ply fabric reinforced air springs\u003c\/li\u003e\n\u003cli\u003eUpper and lower roll plates for protection\u003c\/li\u003e\n\u003cli\u003eNylon composite end caps, corrosion-proof\u003c\/li\u003e\n\u003cli\u003eFits 2WD and 4WD applications\u003c\/li\u003e\n\u003cli\u003eMaintenance-free, safe at zero air pressure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eThis part fits the following vehicles:\u003c\/p\u003e\n\u003cdiv class=\"sp-fitment-wrap\"\u003e\n\u003ctable class=\"sp-fitment-table\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eDenali\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eSLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eSLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:12px 0;padding:10px 14px;background:#fff8e6;border-left:4px solid #f59e0b;border-radius:4px;font-size:.93em;line-height:1.5;color:#5a4a1a\"\u003e\n\u003cstrong\u003e⚠ Submodel Fitment:\u003c\/strong\u003e If your submodel is not listed in the fitment table above, we cannot confirm fitment. Please contact us before purchasing to verify.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Air Lift","offers":[{"title":"Default Title","offer_id":59525146017873,"sku":"ALF57538","price":800.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9029\/7425\/files\/air-lift-loadlifter-7500xl-ultimate-air-spring-kit-2015-2019-gmc-sierra-3500hd-1661844.jpg?v=1781067974"},{"product_id":"air-lift-loadlifter-5000-ultimate-rear-air-spring-kit-5-000-lb-capacity-2015-2019-gmc-sierra-3500hd","title":"Air Lift LoadLifter 5000 Ultimate Rear Air Spring Kit - 5,000 lb Capacity | 2015-2019 GMC Sierra 3500HD","description":"\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"Air Lift LoadLifter 5000 Ultimate Rear Air Spring Kit - 5,000 lb Capacity | 2015-2019 GMC Sierra 3500HD\",\"description\":\"Fits 2015-2019 GMC Sierra 3500HD. This rear air spring kit installs between the frame and axle to eliminate squat, trailer sway, body roll, and bottoming out under load. Air pressure adjusts from 5-100 PSI so you can match the spring rate to any trailer or payload.The Ultimate version adds an Air Lift exclusive internal jounce bumper that replaces the factory bump stop and runs safely at zero air pressure. Key components are torture-tested to 1 million cycles and backed by a lifetime warranty.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Air Lift\"},\"offers\":{\"@type\":\"Offer\",\"availability\":\"https:\/\/schema.org\/InStock\",\"seller\":{\"@type\":\"Organization\",\"name\":\"Stateside Performance\"}},\"vehicleConfiguration\":\"2015-2019 GMC Sierra 3500HD\"}\u003c\/script\u003e\n\u003cstyle\u003e\n.sp-product-body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;font-size:16px;line-height:1.6;color:#1a1a1a;max-width:800px}\n.sp-product-body h2{font-size:1.15em;font-weight:700;margin:1.4em 0 .5em;padding-bottom:.3em;border-bottom:2px solid #f0f0f0;letter-spacing:-.01em}\n.sp-product-body p{margin:.6em 0;font-size:1em;line-height:1.65}\n.sp-product-body ul{padding-left:1.3em;margin:.5em 0}\n.sp-product-body li{margin:.35em 0;font-size:.97em;line-height:1.55}\n.sp-product-body li strong{color:#111}\n.sp-fitment-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1em 0;border-radius:6px;border:1px solid #e2e2e2}\n.sp-fitment-table{width:100%;border-collapse:collapse;font-size:.88em;min-width:420px}\n.sp-fitment-table thead tr{background:#f7f7f7}\n.sp-fitment-table th{text-align:left;padding:9px 12px;font-weight:600;font-size:.82em;text-transform:uppercase;letter-spacing:.04em;color:#555;border-bottom:2px solid #e2e2e2;white-space:nowrap}\n.sp-fitment-table td{padding:8px 12px;border-bottom:1px solid #ebebeb;vertical-align:top;color:#2a2a2a}\n.sp-fitment-table tbody tr:last-child td{border-bottom:none}\n.sp-fitment-table tbody tr:nth-child(even){background:#fafafa}\n@media(max-width:600px){.sp-product-body{font-size:15px}.sp-product-body h2{font-size:1.1em}.sp-fitment-table{font-size:.83em}.sp-fitment-table th,.sp-fitment-table td{padding:7px 9px}}\n\u003c\/style\u003e\n\u003cdiv class=\"sp-product-body\"\u003e\n\u003cp\u003eThe Air Lift LoadLifter 5000 Ultimate Rear Air Spring Kit fits the 2015-2019 GMC Sierra 3500HD and adds up to 5,000 lbs of load-leveling capacity for towing and hauling.\u003c\/p\u003e\n\u003cdiv style=\"border:1px solid #f0c8b0;background:#fef5f0;padding:12px 16px;border-radius:8px;margin:16px 0;display:flex;align-items:flex-start;gap:12px\"\u003e\n\u003cspan style=\"font-size:24px;line-height:1;flex-shrink:0\" aria-hidden=\"true\"\u003e🔧\u003c\/span\u003e\u003cdiv style=\"flex:1\"\u003e\n\u003cstrong style=\"color:#b85a1f;font-size:15px\"\u003eInstall Difficulty: Professional Install Only\u003c\/strong\u003e\u003cdiv style=\"color:#444;font-size:14px;line-height:1.45;margin-top:2px\"\u003eRear air spring kit mounts between the frame and axle and requires drilling, air line routing, and suspension disassembly; typically takes 4-6 hours. Professional alignment recommended after any suspension modification.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThis rear air spring kit installs between the frame and axle to eliminate squat, trailer sway, body roll, and bottoming out under load. Air pressure adjusts from 5-100 PSI so you can match the spring rate to any trailer or payload.\u003c\/p\u003e\n\u003cp\u003eThe Ultimate version adds an Air Lift exclusive internal jounce bumper that replaces the factory bump stop and runs safely at zero air pressure. Key components are torture-tested to 1 million cycles and backed by a lifetime warranty.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eFits: 2015-2019 GMC Sierra 3500HD\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eUp to 5,000 lbs of load-leveling capacity\u003c\/li\u003e\n\u003cli\u003eAdjustable air pressure from 5-100 PSI\u003c\/li\u003e\n\u003cli\u003eInternal jounce bumper prevents bottoming out\u003c\/li\u003e\n\u003cli\u003eRuns safely with zero air pressure\u003c\/li\u003e\n\u003cli\u003eTorture-tested to 1 million cycles\u003c\/li\u003e\n\u003cli\u003eDo not exceed vehicle GVWR\u003c\/li\u003e\n\u003cli\u003eLifetime warranty and 60-day ride satisfaction guarantee\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eThis part fits the following vehicles:\u003c\/p\u003e\n\u003cdiv class=\"sp-fitment-wrap\"\u003e\n\u003ctable class=\"sp-fitment-table\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eDenali\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eSLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2019\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSierra 3500 HD\u003c\/td\u003e\n\u003ctd\u003eSLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:12px 0;padding:10px 14px;background:#fff8e6;border-left:4px solid #f59e0b;border-radius:4px;font-size:.93em;line-height:1.5;color:#5a4a1a\"\u003e\n\u003cstrong\u003e⚠ Submodel Fitment:\u003c\/strong\u003e If your submodel is not listed in the fitment table above, we cannot confirm fitment. Please contact us before purchasing to verify.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Air Lift","offers":[{"title":"Default Title","offer_id":60029243424849,"sku":"ALF88338","price":732.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/9029\/7425\/files\/air-lift-loadlifter-5000-ultimate-rear-air-spring-kit-5000-lb-capacity-2015-2019-gmc-sierra-3500hd-9945436.jpg?v=1786597641"}],"url":"https:\/\/www.statesideperformance.com\/collections\/2015-2019-gmc-sierra-3500hd-air-suspension-kits.oembed","provider":"Stateside Performance","version":"1.0","type":"link"}