{"product_id":"toyota-tundra-air-suspension-2007-2021-5000lbs-ras2445","title":"RETRUE Rear Air Suspension Kit for Toyota Tundra 2007-2021 | 5,000 lbs Load Leveling","description":"\u003ch3 data-start=\"349\" data-end=\"399\"\u003eExperience Unmatched Stability \u0026amp; Towing Control\u003c\/h3\u003e\n\u003cp data-start=\"401\" data-end=\"721\"\u003eHeavy towing and payload demands can cause rear sag, suspension instability, and reduced braking control. The \u003cstrong data-start=\"511\" data-end=\"601\"\u003eRETRUE Rear Air Suspension Kit for Toyota Tundra 2007–2021 (Firestone 2445 Compatible)\u003c\/strong\u003e is engineered to restore ride height, improve load stability, and enhance towing confidence under demanding conditions.\u003c\/p\u003e\n\u003cp data-start=\"723\" data-end=\"1116\"\u003eSpecifically designed for Toyota Tundra models from 2007 to 2021, this rear air bag suspension system provides adjustable load support for trailers, campers, boats, work equipment, and heavy cargo. By reinforcing your factory suspension with heavy-duty air helper springs, this system reduces rear-end squat, minimizes sway, improves weight distribution, and enhances overall vehicle handling.\u003c\/p\u003e\n\u003cp data-start=\"1118\" data-end=\"1332\"\u003eWhether you are towing a travel trailer, hauling construction materials, or upgrading your truck for overlanding, this Tundra air suspension kit delivers the performance and reliability serious truck owners demand.\u003c\/p\u003e\n\u003ch3 data-start=\"1339\" data-end=\"1366\"\u003eKey Performance Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1368\" data-end=\"1422\"\u003e\n\u003cstrong\u003eVehicle-Specific Fitment (Toyota Tundra 2007–2021)：\u003c\/strong\u003ePrecision-engineered rear air bag kit compatible with Firestone 2445 specifications for proper frame integration and suspension geometry alignment.\u003c\/li\u003e\n\u003cli data-start=\"1572\" data-end=\"1605\"\u003e\n\u003cstrong\u003eHeavy-Duty Air Helper Springs：\u003c\/strong\u003eIndustrial-grade rubber air springs support heavy payloads and towing applications while maintaining factory ride comfort when unloaded. Adjustable air pressure allows you to fine-tune ride height and stiffness.\u003c\/li\u003e\n\u003cli data-start=\"1819\" data-end=\"1863\"\u003e\n\u003cstrong\u003eImproved Towing Stability \u0026amp; Load Control\u003c\/strong\u003e——Reduces:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003col\u003e\n\u003cli style=\"list-style-type: none;\"\u003e\n\u003col\u003e\n\u003cli data-start=\"1875\" data-end=\"1894\"\u003eRear suspension sag\u003c\/li\u003e\n\u003cli data-start=\"1897\" data-end=\"1909\"\u003eTrailer sway\u003c\/li\u003e\n\u003cli data-start=\"1912\" data-end=\"1921\"\u003eAxle wrap\u003c\/li\u003e\n\u003cli data-start=\"1924\" data-end=\"2041\"\u003eBottoming out under heavy loads. Improves braking response, steering stability, and weight distribution when towing.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cul\u003e\n\u003cli data-start=\"2043\" data-end=\"2078\"\u003e\n\u003cstrong\u003eAdjustable Air Ride Performance\u003c\/strong\u003e——Customizable air pressure settings allow you to adapt to:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003col\u003e\n\u003cli style=\"list-style-type: none;\"\u003e\n\u003col\u003e\n\u003cli data-start=\"2139\" data-end=\"2154\"\u003eTravel trailers\u003c\/li\u003e\n\u003cli data-start=\"2157\" data-end=\"2175\"\u003eFifth wheel setups\u003c\/li\u003e\n\u003cli data-start=\"2178\" data-end=\"2183\"\u003eBoats\u003c\/li\u003e\n\u003cli data-start=\"2186\" data-end=\"2202\"\u003eUtility trailers\u003c\/li\u003e\n\u003cli data-start=\"2205\" data-end=\"2227\"\u003eWork equipment hauling\u003c\/li\u003e\n\u003cli data-start=\"2230\" data-end=\"2243\"\u003eCamper shells\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cul\u003e\n\u003cli data-start=\"2245\" data-end=\"2283\"\u003e\n\u003cstrong\u003eCorrosion-Resistant Steel Brackets：\u003c\/strong\u003ePowder-coated steel mounting brackets provide long-term durability and frame strength in harsh weather and road conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2414\" data-end=\"2452\"\u003eInstallation \u0026amp; Professional Fitment\u003c\/h3\u003e\n\u003cp data-start=\"2454\" data-end=\"2642\"\u003eThis rear air suspension kit is designed for serious DIY installers and professional mechanics. The system integrates directly with the Toyota Tundra rear suspension frame mounting points.\u003c\/p\u003e\n\u003cp data-start=\"2644\" data-end=\"2810\"\u003eInstallation requires drilling to ensure structural strength and secure frame attachment. All hardware and mounting components are included for complete installation.\u003c\/p\u003e\n\u003cp data-start=\"2812\" data-end=\"2978\"\u003eProfessional tip:\u003cbr\u003eFor optimal efficiency, use an impact wrench and high-quality drill bits during installation to ensure proper bracket alignment and torque accuracy.\u003c\/p\u003e\n\u003ch3 data-start=\"2985\" data-end=\"3014\"\u003eComprehensive Kit Includes\u003c\/h3\u003e\n\u003cul data-start=\"3016\" data-end=\"3219\"\u003e\n\u003cli data-start=\"3016\" data-end=\"3052\"\u003e\n\u003cp data-start=\"3018\" data-end=\"3052\"\u003eRear air springs (air helper bags)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3053\" data-end=\"3089\"\u003e\n\u003cp data-start=\"3055\" data-end=\"3089\"\u003eHeavy-duty steel mounting brackets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3090\" data-end=\"3107\"\u003e\n\u003cp data-start=\"3092\" data-end=\"3107\"\u003eAir line tubing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3108\" data-end=\"3137\"\u003e\n\u003cp data-start=\"3110\" data-end=\"3137\"\u003eAir fittings and connectors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3138\" data-end=\"3165\"\u003e\n\u003cp data-start=\"3140\" data-end=\"3165\"\u003eSchrader inflation valves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3166\" data-end=\"3189\"\u003e\n\u003cp data-start=\"3168\" data-end=\"3189\"\u003eInstallation hardware\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3190\" data-end=\"3219\"\u003e\n\u003cp data-start=\"3192\" data-end=\"3219\"\u003eDetailed instruction manual\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3221\" data-end=\"3298\"\u003eEverything required for a complete Toyota Tundra rear air suspension upgrade.\u003c\/p\u003e\n\u003ch3 data-start=\"3305\" data-end=\"3325\"\u003eWhy Choose RETRUE\u003c\/h3\u003e\n\u003cp data-start=\"3327\" data-end=\"3390\"\u003eBecause towing should feel controlled, stable, and predictable.\u003c\/p\u003e\n\u003cp data-start=\"3392\" data-end=\"3651\"\u003eThe RETRUE Tundra rear air bag suspension system transforms your truck into a load-ready, confidence-driven towing platform. You are not simply adding air bags—you are upgrading your truck’s suspension stability, ride control, and long-term towing capability.\u003c\/p\u003e\n\u003cp data-start=\"3392\" data-end=\"3651\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"3392\" data-end=\"3651\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"17,2,1,0\"\u003eQ: Does this kit fit 4WD models?\u003c\/b\u003e \u0026gt; \u003cb data-index-in-node=\"35\" data-path-to-node=\"17,2,1,0\"\u003eA:\u003c\/b\u003e Yes, it is compatible with both 2WD and 4WD Toyota Tundra models from 2007 to 2021.\u003c\/p\u003e","brand":"RETRUE","offers":[{"title":"RAS2445-N","offer_id":49356217090345,"sku":"RAS2445-N","price":298.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/1039\/8761\/files\/RETRUE_RideHelper_air_suspension_helper_springs_kit_for_2022-2026_Toyota_Tundra.jpg?v=1768887968","url":"https:\/\/www.retrue.ca\/products\/toyota-tundra-air-suspension-2007-2021-5000lbs-ras2445","provider":"RETRUE","version":"1.0","type":"link"}