{"product_id":"sunsong-3402177-power-steering-pressure-line-hose-assembly-hydroboost-to-gear","title":"Sunsong 3402177 Power Steering Pressure Line Hose Assembly - Hydroboost To Gear","description":"\u003ch2\u003ePower Steering Pressure Line Hose for Hydroboost Applications\u003c\/h2\u003e\u003cp\u003eSunsong 3402177 is a power steering pressure line hose assembly built for hydroboost-to-gear steering systems. It is engineered for direct replacement use on select Buick, Cadillac, and Oldsmobile applications, including Riviera, Eldorado, Seville, and Toronado models.\u003c\/p\u003e\u003cp\u003eWith OE-style end fittings and corrosion-resistant tubing, this hose is made for accurate routing and dependable pressure transfer in demanding steering systems.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMax working pressure of 1,500 psi\u003c\/li\u003e\n\u003cli\u003eBurst pressure rating of 8,700 psi\u003c\/li\u003e\n\u003cli\u003eTensile strength of 1,600 lb\u003c\/li\u003e\n\u003cli\u003e16 mm male O-ring end 1 fitting\u003c\/li\u003e\n\u003cli\u003e18 mm male O-ring end 2 fitting\u003c\/li\u003e\n\u003cli\u003e45.5 in. overall length\u003c\/li\u003e\n\u003cli\u003eCSM hose material for pressure-line service\u003c\/li\u003e\n\u003cli\u003eHigh-grade steel tubing with zinc electroplating for corrosion resistance\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered replacement for hydroboost-to-gear steering layouts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eSunsong 3402177 power steering pressure line hose assembly is built to restore pressure delivery between the hydroboost unit and steering gear on select GM vehicles. It is a direct-fit replacement for 1981-1985 Buick Riviera, 1980-1985 Cadillac Eldorado, 1980-1985 Cadillac Seville, and 1982-1985 Oldsmobile Toronado applications with hydroboost to gear routing. This part number, 3402177, is also referenced in aftermarket interchange listings for the same application.\u003c\/p\u003e\u003cp\u003eThe hose uses male O-ring fittings at both ends, with 16 mm and 18 mm connection sizes, and a 45.5-inch length to match the specified routing. Sunsong manufactures the tubing from high-grade steel with a zinc coating to improve resistance to rust, road salt, moisture, and grime. The assembly is engineered to restore wearable components to original condition where applicable and to maintain proper steering system pressure under load.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Hose Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePower steering fluid leaks at the pressure line\u003c\/li\u003e\n\u003cli\u003eCracked or deteriorated hose material from age and heat exposure\u003c\/li\u003e\n\u003cli\u003eCorrosion on steel tubing from road salt and moisture\u003c\/li\u003e\n\u003cli\u003eIncorrect hose routing or fitment on hydroboost-to-gear systems\u003c\/li\u003e\n\u003cli\u003eLoss of steering assist caused by pressure-line failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle uses hydroboost-to-gear steering routing before ordering. Confirm both fitting sizes and end types match the original hose: 16 mm male O-ring on one end and 18 mm male O-ring on the other. Inspect adjacent seals, brackets, and mounting points for wear or damage before installation so the new hose can seat correctly and maintain proper line alignment.\u003c\/p\u003e\u003cp\u003eFor 1981-1985 Buick Riviera, 1980-1985 Cadillac Eldorado, 1980-1985 Cadillac Seville, and 1982-1985 Oldsmobile Toronado models, match the original routing and connection points carefully to avoid stress on the line.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eEach Sunsong 3402177 hose is pressure-tested before leaving the factory to confirm proper operation and installation readiness. The assembly is built to exceed original equipment performance standards for pressure, burst strength, and durability.\u003c\/p\u003e","brand":"Sunsong","offers":[{"title":"Default Title","offer_id":52845037781173,"sku":"FTTD-3402177","price":31.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/S5_3402177_Fro.jpg?v=1784787530","url":"https:\/\/www.partcatalog.com\/products\/sunsong-3402177-power-steering-pressure-line-hose-assembly-hydroboost-to-gear","provider":"PartCatalog","version":"1.0","type":"link"}