{"product_id":"four-seasons-66621-a-c-refrigerant-suction-hose","title":"Four Seasons 66621 A\/C Refrigerant Suction Hose","description":"\u003ch2\u003eOverview of Four Seasons Hose Assembly 66621\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Hose Assembly 66621 is designed specifically for BMW 328d and 328d xDrive models. This A\/C refrigerant suction hose ensures reliable low-pressure refrigerant flow within your vehicle's HVAC system, maintaining optimal air conditioning performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable aluminum and rubber materials\u003c\/li\u003e\n\u003cli\u003eEquipped with P-nut fittings on both ends for secure connections\u003c\/li\u003e\n\u003cli\u003eCompatible with R134a refrigerant systems\u003c\/li\u003e\n\u003cli\u003eIncludes green round O-rings and necessary fittings for installation\u003c\/li\u003e\n\u003cli\u003eFeatures a service port sized at 13 mm for low-side access\u003c\/li\u003e\n\u003cli\u003eOE replacement part ensuring proper fit and function\u003c\/li\u003e\n\u003cli\u003ePart of the Four Seasons Hose Assembly product line\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFour Seasons Hose Assembly Product Line Details\u003c\/h2\u003e\u003cp\u003eThe Hose Assembly line by Four Seasons focuses on delivering complete hose solutions for HVAC systems. These assemblies combine high-quality materials like aluminum and rubber with pre-installed fittings and seals, simplifying installation and ensuring system integrity. The 66621 suction hose assembly is engineered to meet OEM specifications, providing a direct replacement for the BMW 328d and 328d xDrive low-pressure refrigerant line.\u003c\/p\u003e\u003ch2\u003eProduct Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis A\/C refrigerant suction hose is designed to handle low system pressure and is compatible with R134a refrigerant. Both ends feature P-nut fittings, facilitating a secure and leak-free connection. The assembly includes green round O-rings ([24635] and [24681]) to ensure proper sealing. A service port is integrated without a switch, allowing for easy maintenance and refrigerant charging. The hose assembly does not include a bracket or muffler, focusing solely on the suction line function.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or damaged suction lines in BMW 328d and 328d xDrive A\/C systems\u003c\/li\u003e\n\u003cli\u003eResolving refrigerant leaks caused by cracked or deteriorated hoses\u003c\/li\u003e\n\u003cli\u003eRestoring proper refrigerant flow to improve air conditioning efficiency\u003c\/li\u003e\n\u003cli\u003eAddressing low-pressure system failures related to hose integrity\u003c\/li\u003e\n\u003cli\u003eFacilitating maintenance with included service port for refrigerant access\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the vehicle is depressurized and the A\/C system is properly evacuated before removing the old suction hose. Verify that the included green O-rings are correctly seated on the P-nut fittings to prevent leaks. The 13 mm service port allows for convenient refrigerant charging and pressure checks during installation. No bracket or muffler is included, so retain or replace mounting hardware as needed. This hose assembly is a direct OE replacement, designed for straightforward installation on BMW 328d and 328d xDrive models.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eFour Seasons Hose Assembly 66621 meets OEM standards for fit, form, and function. The use of aluminum and rubber materials ensures durability and resistance to refrigerant and environmental factors. This part includes all necessary fittings and seals for a complete installation. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality controls to support reliable HVAC system performance.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":44607800344757,"sku":"BBRN-66621","price":36.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_66621_Fro.jpg?v=1775069669","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-66621-a-c-refrigerant-suction-hose","provider":"PartCatalog","version":"1.0","type":"link"}