{"product_id":"1664377c91-genuine-oem-international-navistar-hydraulic-steering-pump-assembly","title":"1664377C91 | Genuine OEM International\/Navistar Hydraulic Steering Pump Assembly","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e1664377C91 | Genuine OEM International\/Navistar Hydraulic Steering Pump Assembly\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e1664377C91 is a Genuine OEM International\/Navistar Hydraulic Steering Pump Assembly designed for compatible heavy-duty truck hydraulic steering systems. The pump assembly generates hydraulic pressure needed to provide power steering assistance and support smooth steering operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003ePRODUCT INFORMATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003ePart Number: 1664377C91\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBrand: International\/Navistar\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCondition: New\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eComponent: Hydraulic Steering Pump Assembly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eType: Power Steering Pump\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSystem: Hydraulic Power Steering System\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApplication: Heavy-Duty Truck\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eAPPLICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eCompatible International\/Navistar heavy-duty truck steering systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHydraulic power steering applications where 1664377C91 is specified\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExact fitment depends on vehicle model, model year, steering configuration, hydraulic system, and OE specifications.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eFUNCTION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe hydraulic steering pump generates and circulates pressurized fluid through the power steering system to provide steering assistance. Proper hydraulic pressure helps reduce steering effort and supports smooth, responsive steering control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eA worn, damaged, or failing Hydraulic Steering Pump Assembly may cause symptoms such as:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eHard or heavy steering\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncreased steering effort\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWhining or unusual pump noise\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSlow or inconsistent steering assistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower steering fluid leaks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSteering system pressure problems\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eWHY REPLACE A HYDRAULIC STEERING PUMP ASSEMBLY?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA failing hydraulic steering pump can reduce power assistance and make steering more difficult, particularly during low-speed maneuvering. Replacing a worn or damaged pump assembly with the correct OEM-specification part helps restore hydraulic steering assistance and system performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eFITMENT INFORMATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAlways verify the part number, vehicle model, model year, steering configuration, hydraulic system specifications, and OE specifications before ordering. Exact fitment may vary by vehicle configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIf you are unsure whether this part is correct for your vehicle, please contact us with your VIN and original part number. We are happy to help verify compatibility before purchase.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eGENUINE INTERNATIONAL\/NAVISTAR PART\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePart Number: 1664377C91\u003c\/span\u003e\u003c\/p\u003e","brand":"INTERNATIONAL\/NAVISTAR","offers":[{"title":"Default Title","offer_id":49763932078339,"sku":"1664377C91","price":1234.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/9289\/6003\/files\/Power_Steering_Pump.png?v=1791275654","url":"https:\/\/truckpartsplanet.com\/es\/products\/1664377c91-genuine-oem-international-navistar-hydraulic-steering-pump-assembly","provider":"TRUCK PARTS PLANET","version":"1.0","type":"link"}