{"product_id":"gates-12074-hvac-heater-hose","title":"Gates 12074 HVAC Heater Hose - Radiator To Reservoir or Reservoir To Radiator","description":"\u003ch2\u003eOverview of Gates Molded Heater Hose 12074\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Heater Hose 12074 is designed specifically for Mercedes-Benz E320 and E430 models. Constructed from durable EPDM material, this molded heater hose ensures reliable performance in your vehicle's HVAC system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMade from high-quality EPDM for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eMolded design for precise fit and easy installation\u003c\/li\u003e\n\u003cli\u003eCenterline length of 25.3 inches (643 mm)\u003c\/li\u003e\n\u003cli\u003eEnd 1 inside diameter: 0.8 inches (20 mm)\u003c\/li\u003e\n\u003cli\u003eEnd 2 inside diameter: 0.96 inches (24 mm)\u003c\/li\u003e\n\u003cli\u003eNo quick connect fittings or branches, ensuring a straightforward replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Heater Hose 12074 is engineered to meet the specific HVAC hose requirements of Mercedes-Benz E320 and E430 vehicles. Its EPDM construction provides excellent resistance to heat, ozone, and automotive fluids, which is critical for maintaining HVAC system integrity. The molded design allows for an exact fit, reducing the risk of leaks and ensuring proper coolant flow through the heater core. With a centerline length of 25.3 inches (643 mm), this hose matches OEM specifications for seamless integration.\u003c\/p\u003e\u003cp\u003eThe hose features two different inside diameters at each end—0.8 inches (20 mm) on one side and 0.96 inches (24 mm) on the other—allowing it to connect securely to the corresponding HVAC components. The absence of quick connect fittings and branches simplifies installation and reduces potential failure points.\u003c\/p\u003e\u003ch2\u003eAbout the Molded Heater Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Heater Hose line focuses on precision-molded hoses designed to fit specific vehicle applications. This product line emphasizes durability and exact fitment, which helps maintain the efficiency and reliability of the vehicle’s heating and cooling systems. The molded construction reduces the need for additional clamps or fittings, streamlining installation and minimizing leak risks.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked heater hoses in Mercedes-Benz E320 and E430 HVAC systems\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks that cause heater core inefficiency\u003c\/li\u003e\n\u003cli\u003ePreventing overheating issues related to faulty heater hose connections\u003c\/li\u003e\n\u003cli\u003eEliminating hose collapse or blockage that restricts coolant flow\u003c\/li\u003e\n\u003cli\u003eMaintaining proper HVAC system pressure and temperature regulation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify hose dimensions and fitment with your Mercedes-Benz E320 or E430 before installation\u003c\/li\u003e\n\u003cli\u003eEnsure all old hose clamps and fittings are removed and cleaned prior to fitting the new hose\u003c\/li\u003e\n\u003cli\u003eUse appropriate clamps to secure the hose ends firmly without over-tightening\u003c\/li\u003e\n\u003cli\u003eInspect the HVAC system for any additional wear or damage during replacement\u003c\/li\u003e\n\u003cli\u003eTest the system for leaks and proper heater function after installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eGates Molded Heater Hose 12074 is manufactured to meet strict quality standards for automotive HVAC components. The EPDM material and molded design contribute to long service life and resistance to common failure modes. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed warranties covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45303939563701,"sku":"BBSC-12074","price":38.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_12074_Top.jpg?v=1775145652","url":"https:\/\/www.partcatalog.com\/products\/gates-12074-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}