{"product_id":"four-seasons-39138-a-c-expansion-valve","title":"Four Seasons 39138 A\/C Expansion Valve","description":"\u003ch2\u003eFour Seasons 39138 Expansion Valve\u003c\/h2\u003e\u003cp\u003eFour Seasons 39138 is a block-type A\/C expansion valve for R134A systems, built with an aluminum body and OE-style FIO insert O-ring connections. It is specified for 1999-2002 INFINITI G20 applications and meets or exceeds OEM requirements for direct replacement service.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand Line: Four Seasons Expansion Valve\u003c\/li\u003e\n\u003cli\u003ePart Number: 39138\u003c\/li\u003e\n\u003cli\u003eBlock-type A\/C expansion valve for R134A refrigerant systems\u003c\/li\u003e\n\u003cli\u003eAluminum construction with gold finish\u003c\/li\u003e\n\u003cli\u003eFemale suction and liquid inlet\/outlet fittings with insert O-ring style connections\u003c\/li\u003e\n\u003cli\u003eLiquid inlet and outlet size: 0.64 in. (16.2 mm)\u003c\/li\u003e\n\u003cli\u003eSuction inlet and outlet size: 0.78 in. (19.8 mm)\u003c\/li\u003e\n\u003cli\u003eSuper heat setting: 3.500\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications\u003c\/li\u003e\n\u003cli\u003eFits 1999-2002 INFINITI G20, N\/A\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eFour Seasons 39138 is part of the Expansion Valve line and is engineered to regulate refrigerant flow through the evaporator in an R134A air conditioning system. The block-style design, aluminum housing, and insert O-ring FIO fittings support a precise OE-style replacement for the 1999-2002 INFINITI G20. If you are searching for an INFINITI G20 A\/C expansion valve, Four Seasons 39138 provides the correct fitment and connection style for this application.\u003c\/p\u003e\u003cp\u003eThis part cross-references UAC EX10110C for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWeak or inconsistent cabin cooling\u003c\/li\u003e\n\u003cli\u003eIncorrect refrigerant metering at the evaporator\u003c\/li\u003e\n\u003cli\u003eA\/C performance loss caused by a restricted or worn expansion valve\u003c\/li\u003e\n\u003cli\u003eTemperature fluctuations during compressor cycling\u003c\/li\u003e\n\u003cli\u003eService replacement for a failed INFINITI G20 expansion valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify R134A system compatibility before installation.\u003c\/li\u003e\n\u003cli\u003eMatch the suction and liquid fitting sizes and styles to the original component.\u003c\/li\u003e\n\u003cli\u003eInspect the mating surfaces and replace damaged O-rings during service.\u003c\/li\u003e\n\u003cli\u003eConfirm the valve orientation and mounting hole alignment before tightening.\u003c\/li\u003e\n\u003cli\u003eEvacuate and recharge the system according to factory service procedures after replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eFour Seasons 39138 is listed as meeting or exceeding OEM requirements, making it a direct-fit service part for the specified INFINITI G20 applications. Four Seasons expansion valves are built for OE-style replacement where correct refrigerant control and fitment are critical.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":44599674306741,"sku":"BBRN-39138","price":36.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_39138_Fro.jpg?v=1775068228","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-39138-a-c-expansion-valve","provider":"PartCatalog","version":"1.0","type":"link"}