{"product_id":"sunsong-3405187-power-steering-return-line-hose-assembly-pipe-to-cooler","title":"Sunsong 3405187 Power Steering Return Line Hose Assembly - Pipe To Cooler","description":"\u003ch2\u003eOE-Style Return Hose for Toyota Sienna\u003c\/h2\u003e\u003cp\u003eThe Sunsong 3405187 power steering return line hose assembly is built for low-pressure, high-temperature return-side service. It is a direct-fit replacement for the pipe-to-cooler routing on 2007-2010 Toyota Sienna models, with materials and construction selected to restore proper steering fluid flow.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits 2007-2010 Toyota Sienna, pipe to cooler\u003c\/li\u003e\n\u003cli\u003eCSM hose material for return-line service\u003c\/li\u003e\n\u003cli\u003eRated for a maximum working pressure of 250 psi\u003c\/li\u003e\n\u003cli\u003eBuilt for low-pressure, high-temperature operation\u003c\/li\u003e\n\u003cli\u003eEnd 1: beaded tube fitting, 11.6 mm\u003c\/li\u003e\n\u003cli\u003eEnd 2: ID hose fitting, 9.6 mm\u003c\/li\u003e\n\u003cli\u003ePart number 3405187 for easy identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBuilt for Return-Line Performance\u003c\/h2\u003e\u003cp\u003eThis Sunsong power steering return line hose assembly is engineered to match the original routing and connection style used on the Toyota Sienna power steering system. The hose uses CSM construction and is intended for the return side of the system, where fluid moves back from the cooler under lower pressure but elevated temperature. Sunsong 3405187 is a practical replacement when the original hose shows age-related wear, seepage, or heat damage.\u003c\/p\u003e\u003cp\u003eThe assembly is specified for 2007-2010 Toyota Sienna applications at the pipe-to-cooler position. It cross-references Four Seasons 55570 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePower steering fluid seepage at the return hose\u003c\/li\u003e\n\u003cli\u003eCracking or hardening from heat exposure\u003c\/li\u003e\n\u003cli\u003eRestricted fluid return caused by hose deterioration\u003c\/li\u003e\n\u003cli\u003eNoise or uneven steering feel related to fluid loss\u003c\/li\u003e\n\u003cli\u003eCorrosion-related failure in the steering hose routing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the pipe-to-cooler routing before installation and compare the end fittings to the removed hose. Inspect nearby clamps, cooler connections, and mounting points for wear or contamination before reassembly. Properly route the hose away from heat sources and moving components, and verify there are no leaks after refilling and bleeding the power steering system.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSunsong manufactures this return hose assembly to exceed original equipment performance standards for return-line service, with a 250 psi maximum working pressure and construction suited to demanding temperature conditions. The hose is built for accurate fitment on the specified Toyota Sienna applications.\u003c\/p\u003e","brand":"Sunsong","offers":[{"title":"Default Title","offer_id":52845411565749,"sku":"FTTD-3405187","price":63.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/S5_3405187_Fro.jpg?v=1784789513","url":"https:\/\/www.partcatalog.com\/products\/sunsong-3405187-power-steering-return-line-hose-assembly-pipe-to-cooler","provider":"PartCatalog","version":"1.0","type":"link"}