{"product_id":"dayco-pb1377n-engine-harmonic-balancer","title":"Dayco PB1377N Engine Harmonic Balancer","description":"\u003ch2\u003eOverview of Dayco Premium OEM Replacement Balancer PB1377N\u003c\/h2\u003e\u003cp\u003eThe Dayco Premium OEM Replacement Balancer PB1377N is engineered to meet the exacting standards required for Buick, Oldsmobile, and Pontiac vehicles. Designed as a direct replacement for engine harmonic balancers, this component ensures proper crankshaft vibration dampening and pulley function for models including the Buick 88 and 98, Oldsmobile Riviera, and Pontiac Bonneville and Park Avenue.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRing weighted counterweight balance for precise vibration control\u003c\/li\u003e\n\u003cli\u003eCast iron outer ring for durability and wear resistance\u003c\/li\u003e\n\u003cli\u003eIncludes crank trigger\/exciter plate for engine timing functions\u003c\/li\u003e\n\u003cli\u003eTwo integrated serpentine pulleys with 6 grooves each\u003c\/li\u003e\n\u003cli\u003eCrank bore diameter of 1.373 inches (34.86 mm) for exact fitment\u003c\/li\u003e\n\u003cli\u003eOverall outside diameter of 7.170 inches (182.10 mm) and width of 3.642 inches (92.50 mm)\u003c\/li\u003e\n\u003cli\u003eFour bolt holes for secure mounting\u003c\/li\u003e\n\u003cli\u003eCompatible with specific Buick, Oldsmobile, and Pontiac V8 engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Premium OEM Replacement Balancer Product Line\u003c\/h2\u003e\u003cp\u003eThe Dayco Premium OEM Replacement Balancer line is designed to provide reliable, factory-spec performance for engine harmonic balancers. This product line focuses on delivering components that match original equipment manufacturer (OEM) specifications, ensuring proper balance, fit, and function. The PB1377N model exemplifies this approach by incorporating features such as a ring weighted counterbalance and integrated serpentine pulleys, which are critical for maintaining engine smoothness and accessory drive efficiency.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe PB1377N harmonic balancer features a cast iron outer ring that provides long-lasting durability under engine stress. Its ring weighted counterbalance design helps reduce crankshaft vibrations, which can lead to premature engine wear if left unaddressed. The balancer includes a crank trigger\/exciter plate, essential for ignition timing and engine management systems. Two integrated serpentine pulleys, each with six grooves and an outside diameter of approximately 6.938 inches (176.2 mm), allow for efficient accessory belt routing. The balancer’s crank bore diameter of 1.373 inches (34.86 mm) and four bolt holes ensure a precise fit on compatible Buick, Oldsmobile, and Pontiac engines.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplaces worn or damaged harmonic balancers on Buick 88 and 98 models\u003c\/li\u003e\n\u003cli\u003eRestores proper crankshaft vibration dampening in Oldsmobile Riviera engines\u003c\/li\u003e\n\u003cli\u003eEnsures correct pulley alignment and belt tension on Pontiac Bonneville and Park Avenue vehicles\u003c\/li\u003e\n\u003cli\u003eAddresses engine noise and vibration issues caused by balancer failure\u003c\/li\u003e\n\u003cli\u003eSupports ignition timing accuracy through integrated exciter plate functionality\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dayco PB1377N requires careful alignment of the four bolt holes and proper seating of the crank bore. Since hardware and installation instructions are not included, it is recommended to use OEM or equivalent fasteners and consult vehicle-specific service manuals for torque specifications and procedures. Ensure the serpentine belts are routed correctly over the two integrated pulleys to maintain accessory drive performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco’s Premium OEM Replacement Balancer line is manufactured to meet stringent quality standards, ensuring compatibility and durability. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed warranties covering defects in materials and workmanship. For warranty information, refer to Dayco’s official documentation or contact authorized distributors.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":51847704805557,"sku":"BJTQ-PB1377N","price":149.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_PB1377N_Fro.jpg?v=1774729391","url":"https:\/\/www.partcatalog.com\/products\/dayco-pb1377n-engine-harmonic-balancer","provider":"PartCatalog","version":"1.0","type":"link"}