{"product_id":"dayco-pb1578n-engine-harmonic-balancer","title":"Dayco PB1578N Engine Harmonic Balancer","description":"\u003ch2\u003eOverview of Dayco Premium OEM Replacement Balancer PB1578N\u003c\/h2\u003e\u003cp\u003eThe Dayco Premium OEM Replacement Balancer PB1578N is engineered for reliable performance in select Nissan and INFINITI vehicles. Designed as an engine harmonic balancer, this component helps maintain engine stability and reduce vibrations for smoother operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Nissan 350Z, FX35, G25, G35, M35, and Pathfinder models\u003c\/li\u003e\n\u003cli\u003eOverall outside diameter of 165.00 mm (6.497 inches)\u003c\/li\u003e\n\u003cli\u003eIncludes two integrated serpentine pulleys with 4 and 6 grooves respectively\u003c\/li\u003e\n\u003cli\u003eConstructed with a cast iron outer ring for durability\u003c\/li\u003e\n\u003cli\u003eNeutral counterweight balance with no counterweight included\u003c\/li\u003e\n\u003cli\u003eFeatures timing marks for precise engine timing\u003c\/li\u003e\n\u003cli\u003eCrank bore diameter of 31.99 mm (1.260 inches)\u003c\/li\u003e\n\u003cli\u003eDoes not include hardware or installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dayco PB1578N harmonic balancer is designed with a cast iron outer ring, providing strength and resistance to wear. It features two integrated serpentine pulleys: the first pulley has 4 grooves with an outside diameter of 158 mm (6.221 inches), and the second pulley has 6 grooves with an outside diameter of 146 mm (5.749 inches). The balancer has a neutral counterweight balance, meaning it does not include additional counterweights, which is suitable for the specified engine configurations. The overall width measures 70.70 mm (2.784 inches), and the ring width is 34.59 mm (1.362 inches). This part includes timing marks to assist with accurate engine timing during installation. The crank bore diameter is precisely 31.99 mm (1.260 inches), ensuring a proper fit on the crankshaft.\u003c\/p\u003e\u003ch2\u003eAbout the Premium OEM Replacement Balancer Product Line\u003c\/h2\u003e\u003cp\u003eDayco's Premium OEM Replacement Balancer line is designed to meet original equipment manufacturer specifications, providing a direct replacement for worn or damaged harmonic balancers. This product line focuses on durability and precise fitment, ensuring compatibility with specific vehicle models such as the Nissan 350Z and INFINITI FX35. The PB1578N model exemplifies this approach by matching OEM dimensions and material standards.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduces engine vibrations caused by harmonic imbalances\u003c\/li\u003e\n\u003cli\u003ePrevents premature wear on crankshaft and accessory belts\u003c\/li\u003e\n\u003cli\u003eMaintains proper timing alignment with integrated timing marks\u003c\/li\u003e\n\u003cli\u003eSupports accessory drive system with dual serpentine pulleys\u003c\/li\u003e\n\u003cli\u003eReplaces damaged or worn harmonic balancers in compatible Nissan and INFINITI engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure crank bore diameter matches engine specifications (31.99 mm)\u003c\/li\u003e\n\u003cli\u003eVerify pulley groove counts and sizes for accessory belt compatibility\u003c\/li\u003e\n\u003cli\u003eUse proper tools to avoid damage to the cast iron outer ring during installation\u003c\/li\u003e\n\u003cli\u003eTiming marks should be aligned carefully to maintain engine timing accuracy\u003c\/li\u003e\n\u003cli\u003eHardware and installation instructions are not included; refer to vehicle service manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco's Premium OEM Replacement Balancer PB1578N is manufactured to meet OEM standards for fit and function. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to ensure reliability and durability in engine applications. For warranty information, consult Dayco or the vehicle manufacturer guidelines.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391724290229,"sku":"BJTQ-PB1578N","price":216.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_PB1578N_Fro.jpg?v=1774729405","url":"https:\/\/www.partcatalog.com\/products\/dayco-pb1578n-engine-harmonic-balancer","provider":"PartCatalog","version":"1.0","type":"link"}