{"product_id":"nissens-999552-a-c-expansion-valve","title":"Nissens 999552 A\/C Expansion Valve","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eNissens A\/C expansion valve 999552 is a direct-fit refrigerant flow control component for select Mazda HVAC systems using R134A. It is built to OE matching standards and validated for pressure performance, tightness, opening behavior, set-point setting, and internal finish.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits R134A air conditioning systems.\u003c\/li\u003e\n\u003cli\u003eIncludes O-rings for sealing where applicable.\u003c\/li\u003e\n\u003cli\u003eBuilt and tested to OE matching standards.\u003c\/li\u003e\n\u003cli\u003eValidated for pressure control, tightness, and opening performance.\u003c\/li\u003e\n\u003cli\u003ePart number 999552 for easy identification.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2006-2010 Mazda 5, N\/A. Inlet 1: 34mm, Inlet 2: 25.5 mm, Outlet 1: 15.8 mm, Outlet 2: 15.8 mm.\u003c\/li\u003e\n\u003cli\u003eFits 2004-2009 Mazda 3, N\/A. Inlet 1: 34mm, Inlet 2: 25.5 mm, Outlet 1: 15.8 mm, Outlet 2: 15.8 mm.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUnstable refrigerant metering through the evaporator circuit.\u003c\/li\u003e\n\u003cli\u003eIncorrect A\/C pressure control caused by a worn expansion valve.\u003c\/li\u003e\n\u003cli\u003eSealing issues at the valve connection points.\u003c\/li\u003e\n\u003cli\u003eReduced cooling performance from internal restriction or valve wear.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eConfirm refrigerant type before installation; this valve is specified for R134A systems. Match the inlet and outlet dimensions to the existing unit, and replace sealing components as needed during service. Part number 999552 should be verified against the original component before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNissens tests expansion valves for pressure performance, tightness, opening characteristics, set-point accuracy, and internal finish to maintain OE matching standards. This part cross-references Monroe Shocks \u0026amp; Struts (e.g., BP4K61J14, EXV1051) for the same application.\u003c\/p\u003e","brand":"Nissens","offers":[{"title":"Default Title","offer_id":53387192402101,"sku":"BKMH-999552","price":51.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/N1_999552_FRO.jpg?v=1790486996","url":"https:\/\/www.partcatalog.com\/products\/nissens-999552-a-c-expansion-valve","provider":"PartCatalog","version":"1.0","type":"link"}