{"product_id":"sunsong-3401591-power-steering-return-line-hose-assembly-gear-to-cooler","title":"Sunsong 3401591 Power Steering Return Line Hose Assembly - Gear To Cooler","description":"\u003ch2\u003ePower Steering Return Hose for Select GM Vehicles\u003c\/h2\u003e\u003cp\u003eSunsong 3401591 is a power steering return line hose assembly built for low-pressure, high-temperature return-side service. It is engineered for exact fit on select Chevrolet, GMC, Buick, Cadillac, and Oldsmobile applications, including Astro, Safari, Caprice, Roadmaster, and related chassis models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReturn hose assembly for power steering systems\u003c\/li\u003e\n\u003cli\u003eMaximum working pressure: 250 psi\u003c\/li\u003e\n\u003cli\u003eSuitable for low-pressure, high-temperature operation\u003c\/li\u003e\n\u003cli\u003eHigh-grade steel tubing with zinc electroplating for corrosion resistance\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered fit for the listed applications\u003c\/li\u003e\n\u003cli\u003eDesigned to restore wearable components to original condition where required by application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 1990 Chevrolet Astro, Gear To Cooler, w\/o Hydroboost; Cut To Fit\u003c\/li\u003e\n\u003cli\u003eFits 1991 Chevrolet Astro, Gear To Cooler, Power Steering Return Line Hose Assembly with Adjustable Length Option\u003c\/li\u003e\n\u003cli\u003eFits 1992-1994 Chevrolet Astro, Gear To Cooler, w\/o Hydroboost; Cut To Fit\u003c\/li\u003e\n\u003cli\u003eFits 1990-1994 GMC Safari, Gear To Cooler, w\/o Hydroboost; Cut To Fit\u003c\/li\u003e\n\u003cli\u003eFits 1991-1993 Buick Roadmaster, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1991-1993 Chevrolet Caprice, N\/A, No cooler required.\u003c\/li\u003e\n\u003cli\u003eFits 1992-1993 Chevrolet Caprice, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1991-1993 Chevrolet Commercial Chassis, N\/A, No cooler required.\u003c\/li\u003e\n\u003cli\u003eFits 1990-1992 Cadillac Brougham, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1992 Cadillac Commercial Chassis, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1992 Chevrolet Commercial Chassis, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 1991-1992 Oldsmobile Custom Cruiser, N\/A\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnd 1 fitting: 3\/8 in. ID hose\u003c\/li\u003e\n\u003cli\u003eEnd 2 fitting: 16 mm male O-ring\u003c\/li\u003e\n\u003cli\u003eHose material: CSM\u003c\/li\u003e\n\u003cli\u003eLength: 15.8 in. (401 mm)\u003c\/li\u003e\n\u003cli\u003ePart number: 3401591\u003c\/li\u003e\n\u003cli\u003eCross-reference: Gates 360040\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat This Hose Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLeaking or cracked power steering return hose\u003c\/li\u003e\n\u003cli\u003eFluid seepage at return-line connections\u003c\/li\u003e\n\u003cli\u003eCorrosion-related hose deterioration\u003c\/li\u003e\n\u003cli\u003eRestricted or aged return-line routing on listed GM vehicles\u003c\/li\u003e\n\u003cli\u003eFitment issues on replacement steering hose service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the vehicle’s steering configuration before installation. Some applications are listed as cut-to-fit or adjustable-length, and certain models do not use a cooler. Confirm the end fittings, routing, and length against the original hose before service. Part number 3401591 is specified for return-side use only and is not a high-pressure feed hose.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSunsong return hoses are built to exceed original equipment performance standards for return-line service. The steel tubing is zinc electroplated to improve resistance to rust, road salt, moisture, and grime, supporting long-term durability in demanding underhood and undercar conditions.\u003c\/p\u003e","brand":"Sunsong","offers":[{"title":"Default Title","offer_id":52844886556853,"sku":"FTTD-3401591","price":26.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/S5_3401591_Fro.jpg?v=1784786420","url":"https:\/\/www.partcatalog.com\/products\/sunsong-3401591-power-steering-return-line-hose-assembly-gear-to-cooler","provider":"PartCatalog","version":"1.0","type":"link"}