{"product_id":"heavy-duty-air-spring-replacement-firestone-w01-358-8184-neway-90557290-3-year-warranty","title":"Heavy-Duty Air Spring | Replacement Firestone W01-358-8184 \u0026 Neway 90557290 | 3 Year Warranty","description":"\u003ch6\u003ePRODUCT OVERVIEW\u003c\/h6\u003e\n\u003cp\u003eTORQUE rolling lobe air spring engineered for heavy-duty suspension applications. Designed to deliver consistent ride quality, durability, and OEM-level fitment for commercial truck and trailer air suspension systems.\u003c\/p\u003e\n\n\u003ch6\u003eQUALITY \u0026amp; CONSTRUCTION\u003c\/h6\u003e\n\u003cp\u003ePart number is permanently engraved on the rubber for easy identification. Built with 4.5–5.0 mm thick reinforced rubber that exceeds OEM requirements, 25% stronger 4140-grade steel studs, and high-strength composite pistons. Each air spring undergoes the highest leak test ratio after final assembly.\u003c\/p\u003e\n\n\u003ch6\u003eREPLACES OEM PART NUMBERS\u003c\/h6\u003e\n\u003cp\u003eFirestone: W01-358-8184, 8184\u003cbr\u003e\nHolland \/ Neway: 90557290 (RL228, KL230), 90557308\u003cbr\u003e\nOther Cross References: 352-8184, SP-558184-K, 910SW14S1574\u003c\/p\u003e\n\n\u003ch6\u003eWARRANTY\u003c\/h6\u003e\n\u003cp\u003eCovered by TORQUE’s industry-leading 3-Year Unlimited Mileage Warranty on rolling lobe \/ reversible sleeve air springs. Warranty registration is required through the Torque Parts website.\u003c\/p\u003e\n\n\u003ch6\u003eFITMENT NOTICE\u003c\/h6\u003e\n\u003cp\u003ePlease contact your dealer to confirm the correct part number prior to purchase. Verify replacement compatibility by matching all specifications and dimensions with your existing air spring or reference the diagram image. Buying an air spring by make and model alone is strongly discouraged.\u003c\/p\u003e\n","brand":"Torque","offers":[{"title":"Default Title","offer_id":48749639172320,"sku":"TR8184","price":263.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/0641\/2439\/files\/4ef49ee0-4e95-40be-accc-7b415059b0db_7_httpsfil.jpg?v=1770656832","url":"https:\/\/aftermarketus.com\/products\/heavy-duty-air-spring-replacement-firestone-w01-358-8184-neway-90557290-3-year-warranty","provider":"Aftermarketus","version":"1.0","type":"link"}