{"product_id":"four-seasons-73634-hvac-blend-door-actuator-auxiliary-or-left","title":"Four Seasons 73634 HVAC Blend Door Actuator - Auxiliary or Left","description":"\u003ch2\u003eFour Seasons 73634 HVAC Blend Door Actuator\u003c\/h2\u003e\u003cp\u003eThe Four Seasons 73634 HVAC blend door actuator is a direct-fit replacement for vehicles that need precise control of cabin air temperature and airflow direction. Built for applications such as the Infiniti QX80, Nissan Armada, and Nissan Pathfinder, it helps restore proper HVAC door movement when the original actuator wears out or fails.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHVAC air door actuator style for blend door control\u003c\/li\u003e\n\u003cli\u003eMale door linkage for direct mechanical engagement\u003c\/li\u003e\n\u003cli\u003e4 mounting ears for secure installation\u003c\/li\u003e\n\u003cli\u003e3-terminal pin electrical connection\u003c\/li\u003e\n\u003cli\u003eFour Seasons part number 73634 for easy identification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eFour Seasons 73634 is an HVAC blend door actuator engineered and tested for dependable operation in climate control systems. It is used in auxiliary and left-side No. 2 applications across select Infiniti and Nissan models, including the Infiniti QX80, Infiniti QX60, Infiniti QX56, Infiniti JX35, Nissan Armada, Nissan Pathfinder, and Nissan NV3500. This part cross-references 277323JC2A and 277421LA1A for the same application. If you are searching for a blend door actuator for a 2014-2024 Infiniti QX80 auxiliary HVAC system or a 2013-2020 Nissan Pathfinder left No. 2 position, this part number is a direct reference to verify before ordering.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIncorrect cabin temperature from a stuck blend door\u003c\/li\u003e\n\u003cli\u003eAirflow that does not change between hot and cold settings\u003c\/li\u003e\n\u003cli\u003eHVAC doors that stop responding to control inputs\u003c\/li\u003e\n\u003cli\u003eTemperature inconsistency in auxiliary climate zones\u003c\/li\u003e\n\u003cli\u003eNoise or erratic movement from a failing actuator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the position, connector style, terminal count, and mounting ear layout before installation. This actuator is listed for auxiliary and left No. 2 applications only, so match the vehicle year, make, model, and HVAC position exactly. For best results, inspect the blend door and surrounding HVAC components for binding or damage before replacing the actuator.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eFour Seasons backs this part with more than 50 years of mobile A\/C experience and states that its products are engineered and tested for years of trouble-free operation. The 73634 is built to support reliable HVAC performance in the listed Infiniti and Nissan applications.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":52958213931189,"sku":"BBRN-73634","price":121.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_73634_Fro.jpg?v=1786431645","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-73634-hvac-blend-door-actuator-auxiliary-or-left","provider":"PartCatalog","version":"1.0","type":"link"}