{"product_id":"four-seasons-39151-a-c-expansion-valve","title":"Four Seasons 39151 A\/C Expansion Valve - Front","description":"\u003ch2\u003eFour Seasons 39151 Expansion Valve Overview\u003c\/h2\u003e\u003cp\u003eFour Seasons 39151 is a block-type A\/C expansion valve for R134A systems. It is built from aluminum and meets or exceeds OEM requirements for direct replacement service on select GM minivans, including Chevrolet Uplander, Buick Terraza, Saturn Relay, and Pontiac Montana front HVAC applications.\u003c\/p\u003e\u003cp\u003eUse Four Seasons 39151 when servicing the front air conditioning circuit and restoring proper refrigerant metering in the evaporator system. This expansion valve is identified by part number 39151 and is part of the Four Seasons Expansion Valve line.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBlock-type A\/C expansion valve for R134A refrigerant systems\u003c\/li\u003e\n\u003cli\u003eAluminum construction with aluminum finish\u003c\/li\u003e\n\u003cli\u003eFront HVAC application with 2 mounting holes\u003c\/li\u003e\n\u003cli\u003eFemale suction and liquid fittings with sealing washer connections\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications\u003c\/li\u003e\n\u003cli\u003eSuperheat setting: 8.5\u003c\/li\u003e\n\u003cli\u003eStyle: w\/o solenoid\u003c\/li\u003e\n\u003cli\u003eCompatible with 2005-2009 Chevrolet Uplander, front\u003c\/li\u003e\n\u003cli\u003eCompatible with 2005-2007 Buick Terraza, front\u003c\/li\u003e\n\u003cli\u003eCompatible with 2005-2007 Saturn Relay, front\u003c\/li\u003e\n\u003cli\u003eCompatible with 2005-2006 Pontiac Montana, front\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eFour Seasons 39151 is engineered as an A\/C flow restrictor for vehicles using R134A refrigerant. The block-style design uses female suction and liquid ports with sealing washer interfaces, along with No. 12 suction inlet and outlet thread diameters and No. 6 liquid inlet with No. 8 liquid outlet thread diameters. Its aluminum construction supports reliable service in the front HVAC system, and the OEM-level specification makes it a direct-fit service part for the listed applications. If you are replacing a worn or restricted expansion valve on a Chevrolet Uplander, Buick Terraza, Saturn Relay, or Pontiac Montana, Four Seasons 39151 is the correct part number to verify against the vehicle’s original configuration.\u003c\/p\u003e\u003cp\u003eThis part cross-references UAC EX10208C for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Repair Symptoms\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront A\/C vents blowing warm air or inconsistent air temperature\u003c\/li\u003e\n\u003cli\u003eRefrigerant flow restriction causing poor evaporator performance\u003c\/li\u003e\n\u003cli\u003eErratic cabin cooling on Chevrolet Uplander, Buick Terraza, Saturn Relay, or Pontiac Montana models\u003c\/li\u003e\n\u003cli\u003eImproper superheat control in the front HVAC circuit\u003c\/li\u003e\n\u003cli\u003eService replacement for a leaking or sticking expansion valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify refrigerant type, port style, and vehicle fitment before installation. This valve uses sealing washer-style connections and is specified without a solenoid, so the original system layout should be matched during service. Confirm the front HVAC location and compare the original part number 39151 before reassembly. Proper evacuation, leak checking, and recharge procedures should be followed after replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eFour Seasons 39151 is built to meet or exceed OEM requirements for the listed applications. The Four Seasons Expansion Valve line is used for service replacement in automotive A\/C systems where accurate refrigerant metering and fitment consistency are required.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":44599676436661,"sku":"BBRN-39151","price":44.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_39151_Fro.jpg?v=1775068232","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-39151-a-c-expansion-valve","provider":"PartCatalog","version":"1.0","type":"link"}