{"product_id":"four-seasons-66743-a-c-refrigerant-discharge-suction-hose-assembly","title":"Four Seasons 66743 A\/C Refrigerant Discharge \/ Suction Hose Assembly","description":"\u003ch2\u003eOverview of Four Seasons Hose Assembly 66743\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Hose Assembly 66743 is designed specifically for Buick Allure and LaCrosse models, providing reliable A\/C refrigerant discharge and suction line functionality. Constructed with durable aluminum and rubber materials, this hose assembly supports R134-a refrigerant systems without a service port switch.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Buick Allure and LaCrosse vehicles\u003c\/li\u003e\n\u003cli\u003eConstructed from aluminum and rubber for durability\u003c\/li\u003e\n\u003cli\u003eIncludes fittings, gaskets, and O-rings for a complete installation\u003c\/li\u003e\n\u003cli\u003eDesigned for R134-a refrigerant systems\u003c\/li\u003e\n\u003cli\u003eFeatures P-nut fittings on both discharge and suction ends\u003c\/li\u003e\n\u003cli\u003eIncludes muffler and manifold block for noise reduction and system integration\u003c\/li\u003e\n\u003cli\u003eO-rings included: two slimline washers each of types 24404 and 24402\u003c\/li\u003e\n\u003cli\u003eOEM replacement part ensuring proper fit and function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Four Seasons Hose Assembly 66743 belongs to the Hose Assembly product line, which focuses on delivering precise HVAC hose and pipe solutions for vehicle air conditioning systems. This assembly combines aluminum and rubber components to withstand the pressures and temperatures typical in automotive A\/C systems. It is engineered for use with R134-a refrigerant, the standard for many modern vehicles including Buick Allure and LaCrosse models. The assembly includes all necessary fittings and gaskets, ensuring a secure and leak-free connection. Both discharge and suction ends utilize P-nut fittings, with the discharge end measuring 11.7 mm and the suction end 17.6 mm, designed to match factory specifications. The inclusion of a muffler and manifold block helps reduce noise and vibration, contributing to a quieter HVAC operation.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or damaged A\/C refrigerant discharge and suction hoses\u003c\/li\u003e\n\u003cli\u003eResolving refrigerant leaks caused by cracked or deteriorated hose materials\u003c\/li\u003e\n\u003cli\u003eEliminating noise and vibration issues in the A\/C system with included muffler\u003c\/li\u003e\n\u003cli\u003eRestoring proper refrigerant flow and pressure in Buick Allure and LaCrosse A\/C systems\u003c\/li\u003e\n\u003cli\u003eEnsuring compatibility with R134-a refrigerant for efficient cooling performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Four Seasons Hose Assembly 66743, ensure all O-rings and gaskets are properly seated to prevent leaks. The included fittings are designed for P-nut style connections, so verify the mating surfaces are clean and undamaged. This assembly does not include a service port switch or bracket, so retain existing components if applicable. Proper torque specifications should be followed to avoid overtightening and potential damage. It is recommended to evacuate and recharge the A\/C system after installation to maintain optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eFour Seasons Hose Assembly 66743 is an OEM replacement part, manufactured to meet or exceed original equipment standards for Buick Allure and LaCrosse vehicles. The product includes all necessary seals and fittings to ensure a reliable installation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":44607810142389,"sku":"BBRN-66743","price":108.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_66743_Fro_a1c439f4-2407-4f4d-b7d5-ec07432121bc.jpg?v=1775069703","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-66743-a-c-refrigerant-discharge-suction-hose-assembly","provider":"PartCatalog","version":"1.0","type":"link"}