{"product_id":"four-seasons-66021-a-c-refrigerant-suction-hose","title":"Four Seasons 66021 A\/C Refrigerant Suction Hose","description":"\u003ch2\u003eOverview of Four Seasons Hose Assembly 66021\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Hose Assembly 66021 is designed specifically for Chevrolet and GMC trucks, including the Sierra 1500 and Silverado 1500 models. This A\/C refrigerant suction hose ensures reliable low-pressure refrigerant flow within your vehicle's HVAC system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable aluminum and rubber materials\u003c\/li\u003e\n\u003cli\u003eFeatures a P-nut fitting on the suction end for secure connection\u003c\/li\u003e\n\u003cli\u003eIncludes sealing washers and slimline O-rings for leak prevention\u003c\/li\u003e\n\u003cli\u003eCompatible with R134-a refrigerant systems\u003c\/li\u003e\n\u003cli\u003eOE replacement part designed for direct fit without modifications\u003c\/li\u003e\n\u003cli\u003eIncludes necessary fittings and gaskets for installation\u003c\/li\u003e\n\u003cli\u003eDoes not include a service port, bracket, muffler, or switch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFour Seasons Hose Assembly Product Line Details\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Hose Assembly product line focuses on providing reliable hose assemblies for HVAC systems in various vehicle applications. The 66021 part is part of this line, offering a combination of aluminum and rubber construction to withstand typical HVAC system pressures and conditions. This line emphasizes compatibility with original equipment specifications, ensuring proper fit and function for Chevrolet and GMC trucks.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Four Seasons 66021 A\/C refrigerant suction hose is engineered to handle low-pressure refrigerant flow in R134-a systems. Its aluminum and rubber construction balances flexibility and durability, while the P-nut fitting on the suction end and sealing washer on the opposite end provide secure, leak-resistant connections. The hose assembly includes two slimline O-rings (part number 24404) to maintain a tight seal. This part is designed as a direct OE replacement for Chevrolet Sierra 1500 and GMC Silverado 1500 models, ensuring compatibility and ease of installation without the need for additional modifications.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked A\/C refrigerant suction hoses\u003c\/li\u003e\n\u003cli\u003eResolving low refrigerant pressure due to hose leaks\u003c\/li\u003e\n\u003cli\u003eFixing poor A\/C system performance caused by damaged suction lines\u003c\/li\u003e\n\u003cli\u003eEliminating refrigerant leaks at connection points\u003c\/li\u003e\n\u003cli\u003eRestoring proper refrigerant flow in Chevrolet Sierra 1500 and GMC Silverado 1500 HVAC systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Four Seasons 66021 hose assembly, ensure all O-rings and sealing washers are properly seated to prevent leaks. The included fittings and gaskets should be used as supplied. This hose assembly does not include a bracket or muffler, so verify existing mounting points are secure before installation. Since this part lacks a service port, refrigerant charging or evacuation should be performed using the vehicle’s existing service ports. Always follow manufacturer torque specifications for P-nut fittings to avoid damage.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eFour Seasons products are manufactured to meet or exceed original equipment standards. The 66021 hose assembly is an OE replacement part, ensuring compatibility and reliability for Chevrolet Sierra 1500 and GMC Silverado 1500 vehicles. While specific warranty details are not provided here, Four Seasons typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":44604823273653,"sku":"BBRN-66021","price":42.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_66021_Fro.jpg?v=1775069484","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-66021-a-c-refrigerant-suction-hose","provider":"PartCatalog","version":"1.0","type":"link"}