{"product_id":"vaico-v20-1771-hvac-heater-hose","title":"Vaico V20-1771 HVAC Heater Hose","description":"\u003ch2\u003eOverview of VAICO HVAC Heater Hose V20-1771\u003c\/h2\u003e\u003cp\u003eThe VAICO HVAC Heater Hose V20-1771 is designed specifically for BMW 540i and M5 models. This cooling hose facilitates backflow from the engine to the heater valve, ensuring efficient heat transfer within the vehicle's HVAC system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW 540i and M5 models\u003c\/li\u003e\n\u003cli\u003eOEM number 64 21 8 387 521\u003c\/li\u003e\n\u003cli\u003eDesigned for backflow cooling from engine to heater valve\u003c\/li\u003e\n\u003cli\u003eDimensions: 185 mm length, 35 mm width, 55 mm height\u003c\/li\u003e\n\u003cli\u003eLightweight construction at 0.091 kg\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe VAICO HVAC Heater Hose V20-1771 is a precision-engineered cooling hose that connects the engine to the heater valve, allowing coolant to flow back through the HVAC system. With a length of 185 mm, width of 35 mm, and height of 55 mm, this hose fits precisely within the designated space in BMW 540i and M5 models. The hose is designed for backflow, ensuring proper circulation of coolant to maintain optimal heating performance inside the vehicle cabin.\u003c\/p\u003e\u003cp\u003eManufactured under the VAICO brand line, this part meets strict quality standards for durability and fitment. VAICO specializes in replacement parts that match or exceed OEM specifications, making this heater hose a reliable component for maintaining your vehicle’s HVAC system.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked heater hoses in BMW 540i and M5\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks affecting heater performance\u003c\/li\u003e\n\u003cli\u003ePreventing overheating issues related to faulty coolant circulation\u003c\/li\u003e\n\u003cli\u003eRestoring proper backflow from engine to heater valve\u003c\/li\u003e\n\u003cli\u003eMaintaining consistent cabin heating during cold weather\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is cooled down before removing the old hose\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with BMW 540i and M5 models using OEM number 64 21 8 387 521\u003c\/li\u003e\n\u003cli\u003eInspect surrounding components for wear or damage during installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate clamps to secure the hose and prevent leaks\u003c\/li\u003e\n\u003cli\u003eCheck for proper coolant flow after installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe VAICO HVAC Heater Hose V20-1771 is manufactured to meet OEM standards, ensuring reliable performance and durability. VAICO parts undergo rigorous quality control to provide consistent fit and function. While specific warranty details may vary, VAICO products typically come with a limited warranty covering manufacturing defects.\u003c\/p\u003e","brand":"Vaico","offers":[{"title":"Default Title","offer_id":45213668966581,"sku":"CMTX-V20-1771","price":38.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/VC_V201771_Fro.jpg?v=1775135971","url":"https:\/\/www.partcatalog.com\/products\/vaico-v20-1771-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}