{"product_id":"nissens-999551-a-c-expansion-valve-front","title":"Nissens 999551 A\/C Expansion Valve - Front","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eNissens 999551 is an A\/C expansion valve for R134A systems, built for precise refrigerant control and OE matching performance. It is a fitment-based replacement for select Toyota and Lexus applications, including the Toyota FJ Cruiser, Toyota 4Runner, Lexus GX470, Lexus LX470, and Toyota Land Cruiser.\u003c\/p\u003e\u003cp\u003eThis Nissens 999551 expansion valve is developed to strict quality standards and validated for pressure performance, tightness, opening behavior, set-point accuracy, and internal finish. O-rings are included, and mounting bolts are supplied whenever applicable.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eR134A refrigerant type for the listed HVAC applications\u003c\/li\u003e\n\u003cli\u003eO-rings included for sealing at installation points\u003c\/li\u003e\n\u003cli\u003eDeveloped to OE matching standards for refrigerant metering control\u003c\/li\u003e\n\u003cli\u003eTested for pressure performance, tightness, opening, set-point setting, and inner finish\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement for select Toyota and Lexus A\/C systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cp\u003eCompatible with select Toyota and Lexus HVAC systems using the listed inlet and outlet dimensions. Fits 2007-2014 Toyota FJ Cruiser, N\/A; Fits 2003-2009 Toyota 4Runner, N\/A; Fits 2004-2009 Lexus GX470, Front; Fits 2002-2007 Lexus LX470, Front; Fits 2002-2007 Toyota Land Cruiser, Front.\u003c\/p\u003e\u003cp\u003ePart number 999551 is also referenced in cross applications such as UAC EX10154C and Global Parts Distributors LLC 3411415.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInconsistent A\/C refrigerant flow control\u003c\/li\u003e\n\u003cli\u003ePoor cooling performance caused by valve restriction issues\u003c\/li\u003e\n\u003cli\u003eLeaks at the valve sealing points\u003c\/li\u003e\n\u003cli\u003eImproper expansion valve opening or set-point behavior\u003c\/li\u003e\n\u003cli\u003eHVAC service needs on listed Toyota and Lexus models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify refrigerant type, inlet and outlet dimensions, and vehicle fitment before installation. O-rings are included; mounting bolts are not listed as included. Use the vehicle-specific HVAC service procedure and confirm system cleanliness before replacing the valve.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNissens manufactures thermal expansion valves under strict testing and validation controls to match OE performance targets. Part number 999551 is built to support consistent pressure regulation, sealing integrity, and accurate refrigerant metering.\u003c\/p\u003e","brand":"Nissens","offers":[{"title":"Default Title","offer_id":53260875071669,"sku":"BKMH-999551","price":54.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/N1_999551_FRO.jpg?v=1789280181","url":"https:\/\/www.partcatalog.com\/products\/nissens-999551-a-c-expansion-valve-front","provider":"PartCatalog","version":"1.0","type":"link"}