{"product_id":"dorman-22-1661-leaf-helper-spring-rear","title":"Dorman 22-1661 Leaf Helper Spring - Rear","description":"\u003ch2\u003eDurable Leaf Helper Spring for Chevrolet and GMC Trucks\u003c\/h2\u003e\u003cp\u003eThe Dorman 22-1661 leaf helper spring is engineered to provide additional support and load capacity for heavy-duty trucks. Designed specifically for Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, and Sierra 3500 HD models, this steel helper spring enhances suspension performance under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-strength steel (acero) for durability\u003c\/li\u003e\n\u003cli\u003eMeasures 38.75 inches in length, 3 inches in width, and 1.063 inches in thickness\u003c\/li\u003e\n\u003cli\u003eBlack finish for corrosion resistance and long service life\u003c\/li\u003e\n\u003cli\u003eIncreases leaf spring load capacity by up to 750 lbs\u003c\/li\u003e\n\u003cli\u003eCompatible with heavy-duty Chevrolet and GMC truck suspension systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman 22-1661 leaf helper spring is made from robust steel material, ensuring reliable performance and resistance to wear. Its dimensions—38.75 inches long, 3 inches wide, and 1.063 inches thick—are optimized to fit the rear suspension of select Chevrolet and GMC heavy-duty trucks. The black coating provides protection against rust and environmental damage, extending the lifespan of the component. This helper spring is designed to increase the load rating of the existing leaf spring by 750 pounds, making it suitable for trucks that frequently carry heavy loads or tow trailers.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Silverado 2500 HD\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 3500 HD\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 2500 HD\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 3500 HD\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis leaf helper spring is ideal for owners of these models who require enhanced suspension support for hauling, towing, or improving ride stability under heavy loads.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by Leaf Helper Springs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive sagging of rear suspension under heavy loads\u003c\/li\u003e\n\u003cli\u003eReduced vehicle stability when towing or hauling\u003c\/li\u003e\n\u003cli\u003eUneven tire wear caused by improper load distribution\u003c\/li\u003e\n\u003cli\u003eIncreased stress on primary leaf springs leading to premature wear\u003c\/li\u003e\n\u003cli\u003eImproved ride height and handling during heavy-duty use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 22-1661 leaf helper spring requires proper alignment with the existing leaf spring pack. It is recommended to have the installation performed by a qualified technician familiar with suspension components on Chevrolet Silverado and GMC Sierra heavy-duty trucks. Ensure all mounting points are inspected for wear or damage before installation. Note that mounting hardware is not included and must be sourced separately.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this leaf helper spring to meet or exceed OEM standards for material strength and durability. The steel construction and protective black finish contribute to long-term reliability. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51895278731445,"sku":"BKKY-22-1661","price":178.49,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_221661_Fro.jpg?v=1774983191","url":"https:\/\/www.partcatalog.com\/products\/dorman-22-1661-leaf-helper-spring-rear","provider":"PartCatalog","version":"1.0","type":"link"}