{"product_id":"gates-18204-hvac-heater-hose","title":"Gates 18204 HVAC Heater Hose","description":"\u003ch2\u003eGates Molded Heater Hose 18204 Overview\u003c\/h2\u003e\u003cp\u003eThe Gates 18204 molded heater hose is an OEM-style coolant hose built for tight engine bays where a straight hose will not route correctly. Made from EPDM and factory-molded to its shape, it supports coolant, water, and air transfer in HVAC and engine cooling applications, and it is also approved for marine use.\u003c\/p\u003e\u003cp\u003eThis Gates Molded Heater Hose line is focused on small inside-diameter, formed hoses that match original routing more closely than universal hose stock. For vehicles such as the Nissan 240SX, Saturn L300, and Mitsubishi Mirage, the molded profile helps maintain proper hose path in compact engine compartments.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: Gates Molded Heater Hose\u003c\/li\u003e\n\u003cli\u003ePart number: 18204\u003c\/li\u003e\n\u003cli\u003eEPDM construction for coolant and heater service\u003c\/li\u003e\n\u003cli\u003eFactory-molded shape for OEM-style routing\u003c\/li\u003e\n\u003cli\u003eEnd inside diameter: 0.31 in. (8 mm) at both ends\u003c\/li\u003e\n\u003cli\u003eCenterline length: 11.9 in. (302 mm)\u003c\/li\u003e\n\u003cli\u003eUse in coolant, water, and air applications\u003c\/li\u003e\n\u003cli\u003eApproved for marine applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eGates 18204 is a molded HVAC heater hose made for applications that require a formed hose with a small inside diameter and precise routing. Its EPDM material is suited for coolant transfer and related thermal management service, while the molded construction helps it follow the original hose path in crowded engine compartments. This part number is used across a wide range of import vehicles, including Nissan, Saturn, Mitsubishi, Toyota, Acura, Suzuki, and Volkswagen applications. If you are replacing a formed heater hose on a Nissan 240SX, Saturn L300, or Mitsubishi Mirage, the Gates 18204 provides an OE-style replacement profile for the listed positions.\u003c\/p\u003e\u003cp\u003eThis part cross-references Bosch 18204 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Hose Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or hardened heater hose material\u003c\/li\u003e\n\u003cli\u003eCoolant leaks at a formed hose section\u003c\/li\u003e\n\u003cli\u003ePoor hose routing in tight engine compartments\u003c\/li\u003e\n\u003cli\u003eIncorrect fit from a universal straight hose\u003c\/li\u003e\n\u003cli\u003eDegraded hose performance in coolant, water, or air service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify the listed year, make, model, and position before ordering.\u003c\/li\u003e\n\u003cli\u003eMatch the molded shape to the original hose routing for proper clearance.\u003c\/li\u003e\n\u003cli\u003eInspect adjoining clamps, pipes, and fittings for wear before installation.\u003c\/li\u003e\n\u003cli\u003eConfirm both ends measure 8 mm (0.31 in.) inside diameter.\u003c\/li\u003e\n\u003cli\u003eCheck for leaks after refilling the cooling system and bringing the engine to operating temperature.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eGates is known for OE-style hose construction and application-specific molded routing. Part number 18204 is built to meet the dimensional and material requirements called out for the listed HVAC heater hose applications.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45303958438069,"sku":"BBSC-18204","price":27.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_18204_Fro.jpg?v=1775145690","url":"https:\/\/www.partcatalog.com\/products\/gates-18204-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}