{"product_id":"sunsong-3401737-power-steering-pressure-line-hose-assembly-control-valve-end-or-hydroboost-to-control-valve-control-valve-end","title":"Sunsong 3401737 Power Steering Pressure Line Hose Assembly - Control Valve End or Hydroboost To Control Valve (Control Valve End)","description":"\u003ch2\u003ePower Steering Pressure Line for Mercury Applications\u003c\/h2\u003e\u003cp\u003eThe Sunsong 3401737 power steering pressure line hose assembly is built for Mercury steering systems that require a precise OE-style hydraulic connection. It is engineered for the pressure side of the system with a 1,500 psi max working pressure, 8,700 psi burst pressure rating, and 1,600 lb tensile strength for dependable service.\u003c\/p\u003e\u003cp\u003eCompatible With 1969-1971 Mercury Montego, control valve end, and 1975-1976 Mercury Monarch, hydroboost to control valve (control valve end), w\/ hydroboost, w\/o skid control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart number: 3401737\u003c\/li\u003e\n\u003cli\u003ePressure hose assembly for power steering hydraulic routing\u003c\/li\u003e\n\u003cli\u003e5\/8 in. female end 1 and 1\/2 in. male inverted flare end 2\u003c\/li\u003e\n\u003cli\u003e32.6 in. overall length for application-specific routing\u003c\/li\u003e\n\u003cli\u003eCSM hose material for durability in steering service\u003c\/li\u003e\n\u003cli\u003eHigh-grade steel tubing with zinc electroplating for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eHigh-pressure tested before leaving the factory\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplication Details and Fitment\u003c\/h2\u003e\u003cp\u003eThis Sunsong 3401737 hose is made for Mercury Montego and Mercury Monarch steering configurations listed above. It follows the original routing and connection style for the control valve end, helping maintain proper hydraulic pressure transfer in the power steering system.\u003c\/p\u003e\u003cp\u003eThis part cross-references Gates 355730 and Dayco 70679 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat This Hose Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePower steering fluid leaks at the pressure line\u003c\/li\u003e\n\u003cli\u003eLoss of steering assist from a damaged hose\u003c\/li\u003e\n\u003cli\u003eCorrosion-related hose or tube deterioration\u003c\/li\u003e\n\u003cli\u003eIncorrect fitment from a mismatched steering pressure line\u003c\/li\u003e\n\u003cli\u003eHydraulic pressure loss at the control valve connection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify end sizes, hose length, and routing before installation. This assembly does not include a bracket or power steering switch port, so confirm the vehicle’s original configuration matches the listed application. Inspect adjacent steering components, seals, and mounting points for wear before completing the repair.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSunsong subjects each hose to high-pressure testing before it leaves the factory. The pressure hose construction is specified to exceed original equipment performance standards, with corrosion-resistant steel tubing and reinforced materials selected for long service life.\u003c\/p\u003e","brand":"Sunsong","offers":[{"title":"Default Title","offer_id":52844927123637,"sku":"FTTD-3401737","price":30.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/S5_3401737_Fro.jpg?v=1784786651","url":"https:\/\/www.partcatalog.com\/products\/sunsong-3401737-power-steering-pressure-line-hose-assembly-control-valve-end-or-hydroboost-to-control-valve-control-valve-end","provider":"PartCatalog","version":"1.0","type":"link"}