{"product_id":"four-seasons-6491r-a-c-compressor-kit","title":"Four Seasons 6491R A\/C Compressor Kit","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Four Seasons PAC-Kit with Reman Compressor, part number 6491R, is an A\/C compressor kit for select classic GM applications. It is built around a remanufactured compressor and is listed with application-specific notes for A6 compressor setups, making fitment verification important before ordering.\u003c\/p\u003e\u003cp\u003eThis kit is a fitment-based solution for owners servicing older Chevrolet, Pontiac, Buick, and Cadillac air conditioning systems. The 6491R part number appears in the application notes and product identification, helping confirm the correct compressor kit for the job.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePAC-Kit with remanufactured compressor for A\/C service\u003c\/li\u003e\n\u003cli\u003eApplication notes identify A6 compressor configurations\u003c\/li\u003e\n\u003cli\u003eIncludes vehicle-specific fitment details for classic GM platforms\u003c\/li\u003e\n\u003cli\u003ePart number 6491R for catalog and cross-reference verification\u003c\/li\u003e\n\u003cli\u003eFour Seasons PAC-Kit line for compressor kit applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 1981 Chevrolet Bel Air, N\/A, with A6 compressor; compressor with 5\" diameter pulley.\u003c\/li\u003e\n\u003cli\u003eFits 1980-1981 Pontiac Grand LeMans, N\/A, with A6 compressor.\u003c\/li\u003e\n\u003cli\u003eFits 1980-1981 Pontiac Parisienne, N\/A, with A6 compressor.\u003c\/li\u003e\n\u003cli\u003eFits 1980 Pontiac Grand Am, N\/A, with A6 compressor; compressor with 5\" diameter pulley.\u003c\/li\u003e\n\u003cli\u003eFits 1979 Buick Riviera, N\/A, with A6 compressor.\u003c\/li\u003e\n\u003cli\u003eFits 1979 Cadillac Commercial Chassis, N\/A, with A6 compressor; compressor with metric threads.\u003c\/li\u003e\n\u003cli\u003eFits 1978-1979 Pontiac Firebird, N\/A, with A6 compressor.\u003c\/li\u003e\n\u003cli\u003eFits 1978 Pontiac Grand Safari, N\/A, with A6 compressor.\u003c\/li\u003e\n\u003cli\u003eFits 1977 Buick Regal, N\/A, with A6 compressor; compressor with switch.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn or failed A\/C compressor in supported classic GM vehicles\u003c\/li\u003e\n\u003cli\u003eRestoring cooling performance when compressor output has dropped\u003c\/li\u003e\n\u003cli\u003eAddressing compressor noise, seizure, or clutch-related A\/C failure\u003c\/li\u003e\n\u003cli\u003eMatching an A6 compressor application with the correct kit configuration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the compressor style and application notes before installation, especially A6 compressor requirements and any listed pulley, thread, or switch details. Confirm the part number 6491R against the vehicle’s A\/C system specifications before beginning service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eFour Seasons identifies this PAC-Kit as a reman compressor-based solution for cataloged A\/C applications. The 6491R part number and fitment notes provide a clear reference for application matching during repair planning.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":53503732744373,"sku":"BBRN-6491R","price":351.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_6491R_Generic.jpg?v=1791615653","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-6491r-a-c-compressor-kit","provider":"PartCatalog","version":"1.0","type":"link"}