{"product_id":"dayco-pb1798n-engine-harmonic-balancer","title":"Dayco PB1798N Engine Harmonic Balancer","description":"\u003ch2\u003eOverview of Dayco Premium OEM Replacement Balancer PB1798N\u003c\/h2\u003e\u003cp\u003eThe Dayco Premium OEM Replacement Balancer PB1798N is engineered for precise fitment and reliable performance in select BMW models. Designed as an engine harmonic balancer, it helps maintain engine smoothness and reduce vibration for vehicles such as the BMW 228i, 320i, 328i, 428i, 528i, X1, X3, X4, and Z4.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e6 bolt hole quantity for secure mounting\u003c\/li\u003e\n\u003cli\u003eNeutral counterweight balance with no additional counterweights\u003c\/li\u003e\n\u003cli\u003eCrank bore diameter of 1.378 inches (35.00 mm)\u003c\/li\u003e\n\u003cli\u003eSingle integrated serpentine pulley with 6 grooves\u003c\/li\u003e\n\u003cli\u003eCast iron outer ring for durability\u003c\/li\u003e\n\u003cli\u003eOverall outside diameter of 145.00 mm (5.709 inches)\u003c\/li\u003e\n\u003cli\u003eOverall width of 35.50 mm (1.398 inches)\u003c\/li\u003e\n\u003cli\u003eNo crank trigger\/exciter plate included\u003c\/li\u003e\n\u003cli\u003eHardware and installation instructions not included\u003c\/li\u003e\n\u003cli\u003eNo timing marks or Woodruff key included\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 meet original equipment specifications, providing a direct replacement for worn or damaged harmonic balancers. This product line focuses on maintaining engine balance and reducing vibration without altering the original engine dynamics. The PB1798N model is part of this line, ensuring compatibility and performance consistent with factory standards for BMW engines.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe PB1798N engine harmonic balancer features a cast iron outer ring that offers strength and resistance to wear. Its neutral counterweight balance means it does not add or subtract from the engine’s original balance, preserving the intended crankshaft dynamics. The balancer includes a single serpentine pulley with six grooves, designed to accommodate the belt system on compatible BMW models. With a crank bore diameter of 1.378 inches and six bolt holes, this balancer ensures a secure and precise fit on the crankshaft. The overall dimensions of 145 mm in diameter and 35.5 mm in width align with OEM specifications for smooth integration.\u003c\/p\u003e\u003ch2\u003eCompatible BMW Models and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBMW 228i and 228i xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 320i and 320i xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 328i, 328i GT xDrive, and 328i xDrive\u003c\/li\u003e\n\u003cli\u003eBMW 428i, 428i Gran Coupe, 428i xDrive, and 428i xDrive Gran Coupe\u003c\/li\u003e\n\u003cli\u003eBMW 528i and 528i xDrive\u003c\/li\u003e\n\u003cli\u003eBMW X1, X3, X4, and Z4\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Harmonic Balancer\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine vibration and noise due to worn or damaged balancer\u003c\/li\u003e\n\u003cli\u003eCrankshaft stress and potential damage from imbalance\u003c\/li\u003e\n\u003cli\u003eReduced belt life caused by pulley misalignment\u003c\/li\u003e\n\u003cli\u003eEngine performance issues related to harmonic imbalance\u003c\/li\u003e\n\u003cli\u003eFailure of integrated pulley affecting accessory drive systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure crankshaft and mounting surfaces are clean and free of debris before installation\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications for the 6 mounting bolts to avoid damage\u003c\/li\u003e\n\u003cli\u003eNote that hardware and installation instructions are not included with this part\u003c\/li\u003e\n\u003cli\u003eVerify pulley alignment with belt system during installation\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for accurate fitment and balance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco’s Premium OEM Replacement Balancer PB1798N 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 durability and performance in demanding engine environments. This part is designed to provide reliable service life when installed correctly on compatible BMW models.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391730090165,"sku":"BJTQ-PB1798N","price":287.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_PB1798N_Fro.jpg?v=1774729421","url":"https:\/\/www.partcatalog.com\/products\/dayco-pb1798n-engine-harmonic-balancer","provider":"PartCatalog","version":"1.0","type":"link"}