{"product_id":"tyc-20321-a-c-compressor","title":"TYC 20321 A\/C Compressor","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis TYC A\/C compressor is built for R-134a systems and uses a 12V coil with a 6-groove pulley. It is a fitment-based replacement for select Buick, Pontiac, and Oldsmobile applications, including Buick LeSabre, Buick Park Avenue, and Pontiac Bonneville.\u003c\/p\u003e\u003cp\u003ePart number 20321 is specified with PAG oil, two O-rings, and a 2-year warranty note. For buyers searching for an A\/C compressor for Buick LeSabre or Pontiac Bonneville applications, 20321 provides the core service specifications needed for a direct replacement search.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eR-134a refrigerant compressor for modern retrofit and service applications.\u003c\/li\u003e\n\u003cli\u003e12V coil voltage for standard automotive electrical systems.\u003c\/li\u003e\n\u003cli\u003e6-groove pulley wheel for belt-driven accessory layouts.\u003c\/li\u003e\n\u003cli\u003ePAG oil specification with 5 oz oil quantity listed.\u003c\/li\u003e\n\u003cli\u003eIncludes two O-rings per the product attributes.\u003c\/li\u003e\n\u003cli\u003eTYC part number 20321 for catalog and cross-reference lookup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eTYC 20321 is an A\/C compressor intended for select GM full-size and near-luxury platforms from the mid-1990s through the mid-2000s. Fitment includes 1996-2005 Buick LeSabre, 1996-2005 Buick Park Avenue, 1996-2005 Pontiac Bonneville, 1996-1999 Buick Riviera, 1996-1999 Oldsmobile 88, 1996-1999 Oldsmobile LSS, 1997-1998 Oldsmobile Regency, and 1996 Oldsmobile 98. This part cross-references Four Seasons 58994 for the same application.\u003c\/p\u003e\u003cp\u003eThe compressor is configured for R-134a refrigerant and a 12V clutch coil, with PAG oil and a 6-groove pulley. Those specifications make it a practical replacement choice when restoring cooling performance on compatible Buick, Pontiac, and Oldsmobile vehicles. Part number 20321 should be matched to the vehicle’s existing compressor configuration before installation.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWeak or inconsistent cabin cooling.\u003c\/li\u003e\n\u003cli\u003eNoisy compressor operation from worn internal components.\u003c\/li\u003e\n\u003cli\u003eLoss of refrigerant compression in the A\/C system.\u003c\/li\u003e\n\u003cli\u003eSystem service needs tied to a failed clutch or compressor assembly.\u003c\/li\u003e\n\u003cli\u003eFitment searches for a replacement A\/C compressor by part number 20321.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify refrigerant type, pulley groove count, and electrical coil voltage before installation. Confirm the vehicle’s A\/C system uses R-134a and compare the existing compressor configuration to the listed attributes for TYC 20321. Proper evacuation, recharge, and system inspection are recommended after replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eThis TYC compressor is listed with a 2-year warranty note in the product attributes. Use the part number 20321 and the vehicle fitment details to confirm application before ordering.\u003c\/p\u003e","brand":"TYC","offers":[{"title":"Default Title","offer_id":53503719669941,"sku":"FQPX-20321","price":333.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/TY_20321_FRO.jpg?v=1791613272","url":"https:\/\/www.partcatalog.com\/products\/tyc-20321-a-c-compressor","provider":"PartCatalog","version":"1.0","type":"link"}