{"product_id":"dayco-pb1143n-engine-harmonic-balancer","title":"Dayco PB1143N Engine Harmonic Balancer","description":"\u003ch2\u003eOverview of Dayco Premium OEM Replacement Balancer PB1143N\u003c\/h2\u003e\u003cp\u003eThe Dayco Premium OEM Replacement Balancer PB1143N is engineered for reliable engine performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed as an engine harmonic balancer, it helps maintain smooth engine operation by reducing crankshaft vibrations.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Buick Achieva, Chevrolet Cavalier, Malibu, Pontiac Grand Am, and other models\u003c\/li\u003e\n\u003cli\u003ePart number PB1143N for precise identification\u003c\/li\u003e\n\u003cli\u003eConstructed with a cast iron outer ring for durability\u003c\/li\u003e\n\u003cli\u003eIncludes one integrated serpentine pulley with 5 grooves\u003c\/li\u003e\n\u003cli\u003eNeutral counterweight balance with no additional counterweights\u003c\/li\u003e\n\u003cli\u003eOverall outside diameter of 170.80 mm (6.725 inches)\u003c\/li\u003e\n\u003cli\u003eCrank bore diameter of 33.01 mm (1.300 inches)\u003c\/li\u003e\n\u003cli\u003eTiming marks included for accurate installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description and Specifications\u003c\/h2\u003e\u003cp\u003eThis engine harmonic balancer from Dayco’s Premium OEM Replacement Balancer line is designed to meet original equipment specifications for a range of GM vehicles including Buick Achieva, Chevrolet Alero, Malibu, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix. The balancer features a cast iron outer ring that provides strength and resistance to wear. It has a neutral counterweight balance, meaning it does not include additional counterweights, which suits engines designed for this configuration.\u003c\/p\u003e\u003cp\u003eThe balancer includes one integrated serpentine pulley with five grooves, measuring 163 mm (6.418 inches) in diameter, allowing it to drive multiple engine accessories efficiently. The crank bore diameter is precisely 33.01 mm (1.300 inches), ensuring a proper fit on the crankshaft. The overall width is 41.00 mm (1.615 inches), and the nose outside diameter is 50.70 mm (1.997 inches). Timing marks are present to assist with correct engine timing during installation.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduces crankshaft vibration to prevent engine damage\u003c\/li\u003e\n\u003cli\u003eReplaces worn or damaged harmonic balancers in Buick Achieva and Chevrolet Cavalier engines\u003c\/li\u003e\n\u003cli\u003eRestores proper serpentine belt alignment and tension\u003c\/li\u003e\n\u003cli\u003eEliminates engine noise caused by balancer failure\u003c\/li\u003e\n\u003cli\u003eMaintains engine timing accuracy with integrated timing marks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure crank bore diameter matches 33.01 mm for proper fit\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damaging the cast iron outer ring during installation\u003c\/li\u003e\n\u003cli\u003eVerify timing marks alignment for accurate engine timing\u003c\/li\u003e\n\u003cli\u003eNote that hardware and installation instructions are not included with this part\u003c\/li\u003e\n\u003cli\u003eCheck pulley grooves for compatibility with existing serpentine belts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDayco’s Premium OEM Replacement Balancer line is designed to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to ensure durability and performance in demanding engine environments.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391716393141,"sku":"BJTQ-PB1143N","price":131.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_PB1143N_Fro_87da4ab8-6d39-41fe-9ef0-139688521884.jpg?v=1774729378","url":"https:\/\/www.partcatalog.com\/products\/dayco-pb1143n-engine-harmonic-balancer","provider":"PartCatalog","version":"1.0","type":"link"}