{"product_id":"four-seasons-3666n-a-c-compressor-kit-front","title":"Four Seasons 3666N A\/C Compressor Kit - Front","description":"\u003ch2\u003eFour Seasons PAC-Kit w\/ New Compressor 3666N\u003c\/h2\u003e\u003cp\u003eFour Seasons 3666N is a PAC-Kit with a new compressor for front A\/C service on select GM and Saab applications. It is built for vehicles equipped with a TRSA12B compressor, with specific 2004 fitments for TRSA09K compressor applications and no rear A\/C.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: Four Seasons\u003c\/li\u003e\n\u003cli\u003ePart number: 3666N\u003c\/li\u003e\n\u003cli\u003eCategory: A\/C compressor kit\u003c\/li\u003e\n\u003cli\u003ePAC-Kit with new compressor for front HVAC service\u003c\/li\u003e\n\u003cli\u003eApplication-specific fitment for select Chevrolet Trailblazer, GMC Envoy, GMC Envoy XL, GMC Envoy XUV, and Saab 9-7x models\u003c\/li\u003e\n\u003cli\u003eIncludes fitment notes for compressor type, rear A\/C configuration, accumulator, orifice, flush, and oil references\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2006-2009 Chevrolet Trailblazer, front, w\/ TRSA12B Compressor; w\/o Rear AC.\u003c\/li\u003e\n\u003cli\u003eFits 2005-2009 GMC Envoy, front, w\/ TRSA12B Compressor; w\/o Rear AC.\u003c\/li\u003e\n\u003cli\u003eFits 2005-2009 Saab 9-7x, front, w\/ TRSA12B Compressor; w\/o Rear AC.\u003c\/li\u003e\n\u003cli\u003eFits 2004-2006 Chevrolet Trailblazer EXT, front, w\/ TRSA12B Compressor; w\/o Rear AC.\u003c\/li\u003e\n\u003cli\u003eFits 2004-2006 GMC Envoy XL, front, w\/ TRSA12B Compressor; w\/o Rear AC.\u003c\/li\u003e\n\u003cli\u003eFits 2004-2005 GMC Envoy XUV, front, w\/ TRSA12B Compressor; w\/o Rear AC.\u003c\/li\u003e\n\u003cli\u003eFits 2004 Chevrolet Trailblazer EXT, front, w\/ TRSA09K Compressor; w\/o Rear AC.\u003c\/li\u003e\n\u003cli\u003eFits 2004 GMC Envoy XL, front, w\/ TRSA09K Compressor; w\/o Rear AC.\u003c\/li\u003e\n\u003cli\u003eFits 2004 GMC Envoy XUV, front, w\/ TRSA09K Compressor; w\/o Rear AC.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLoss of cabin cooling from compressor wear or failure\u003c\/li\u003e\n\u003cli\u003eWeak or inconsistent A\/C performance in the front system\u003c\/li\u003e\n\u003cli\u003eNoisy compressor operation tied to internal damage\u003c\/li\u003e\n\u003cli\u003eSystem contamination concerns after compressor replacement\u003c\/li\u003e\n\u003cli\u003eService needs on Trailblazer, Envoy, and 9-7x front A\/C systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the compressor type before ordering: TRSA12B is listed for most applications, while select 2004 Trailblazer EXT, Envoy XL, and Envoy XUV models use TRSA09K. This part number, 3666N, is specified for front systems without rear A\/C. Follow proper evacuation, flushing, oil service, and component replacement procedures during A\/C repair.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eFour Seasons 3666N is a PAC-Kit w\/ New Compressor built for application-specific HVAC service. This part cross-references 78548 and 83222 for the same application.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":52401912545461,"sku":"BBRN-3666N","price":395.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_3666N_Generic.jpg?v=1777763505","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-3666n-a-c-compressor-kit-front","provider":"PartCatalog","version":"1.0","type":"link"}