{"product_id":"four-seasons-66647-a-c-refrigerant-discharge-suction-hose-assembly","title":"Four Seasons 66647 A\/C Refrigerant Discharge \/ Suction Hose Assembly","description":"\u003ch2\u003eReliable A\/C Refrigerant Hose Assembly for Chevrolet and GMC Trucks\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Hose Assembly part number 66647 is designed specifically for heavy-duty Chevrolet and GMC trucks, including the Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD models. This A\/C refrigerant discharge and suction hose assembly ensures proper refrigerant flow and system efficiency for vehicles using R134a refrigerant.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable aluminum and rubber materials for long-lasting performance\u003c\/li\u003e\n\u003cli\u003eIncludes multiple O-rings and slimline washers for secure sealing\u003c\/li\u003e\n\u003cli\u003eEquipped with a flange-style discharge end and P-nut fitting suction end\u003c\/li\u003e\n\u003cli\u003eFeatures a built-in muffler and manifold for noise reduction and system integration\u003c\/li\u003e\n\u003cli\u003eComes with a service port and switch service port (switch not included)\u003c\/li\u003e\n\u003cli\u003eOE replacement part designed to meet original equipment specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Four Seasons Hose Assembly Product Line\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Hose Assembly line focuses on providing high-quality HVAC hoses and pipes engineered to meet or exceed OEM standards. This product line emphasizes durability and precise fitment, ensuring compatibility with specific vehicle models. The 66647 hose assembly is part of this line, offering a reliable solution for refrigerant discharge and suction needs in heavy-duty Chevrolet and GMC trucks.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis A\/C refrigerant discharge and suction hose assembly (part number 66647) is constructed with a combination of aluminum and rubber materials, providing strength and flexibility where needed. It is designed for use with R134a refrigerant systems and includes all necessary O-rings—two slimline washers (part number 24402), one green O-ring (part number 24606), and two additional slimline washers (part number 24404)—to ensure leak-free connections. The discharge end features a flange style for secure attachment, while the suction end uses a P-nut fitting for reliable sealing. The assembly also includes a muffler to reduce noise and a manifold for system integration. A service port and switch service port are incorporated for maintenance access, although the switch itself is not included. This hose assembly is an OE replacement part, designed to fit Chevrolet and GMC heavy-duty trucks such as the Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, and Silverado 3500 HD.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or leaking A\/C refrigerant discharge and suction hoses\u003c\/li\u003e\n\u003cli\u003eRestoring proper refrigerant flow in R134a A\/C systems\u003c\/li\u003e\n\u003cli\u003eEliminating noise caused by damaged or missing mufflers in the hose assembly\u003c\/li\u003e\n\u003cli\u003eResolving refrigerant leaks due to faulty O-rings or seals\u003c\/li\u003e\n\u003cli\u003eMaintaining system integrity with OE-quality manifold and fittings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the vehicle is compatible with R134a refrigerant before installation. Verify that all included O-rings and slimline washers are properly seated to prevent leaks. The flange discharge end and P-nut fitting suction end require correct torque specifications to maintain a secure connection. The service port and switch service port provide access points for system diagnostics and maintenance; however, the switch is not included and must be sourced separately if needed. Professional installation is recommended to ensure proper fit and function.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eFour Seasons Hose Assembly part number 66647 is manufactured to meet original equipment standards for Chevrolet and GMC heavy-duty trucks. The inclusion of multiple O-rings and a muffler reflects attention to detail in design and durability. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality controls to ensure reliable performance in HVAC applications.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":51991332126901,"sku":"BBRN-66647","price":63.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_66647_Fro.jpg?v=1775069676","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-66647-a-c-refrigerant-discharge-suction-hose-assembly","provider":"PartCatalog","version":"1.0","type":"link"}