{"product_id":"dayco-pb1686n-engine-harmonic-balancer","title":"Dayco PB1686N Engine Harmonic Balancer","description":"\u003ch2\u003eOverview of Dayco Premium OEM Replacement Balancer PB1686N\u003c\/h2\u003e\u003cp\u003eThe Dayco Premium OEM Replacement Balancer PB1686N is engineered for precise engine harmonic balancing in select Infiniti and Nissan vehicles. Designed to maintain engine stability, this balancer supports smooth operation and reduces vibration in compatible models such as the Nissan 350Z and Infiniti G37.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNeutral counterweight balance with no counterweight\u003c\/li\u003e\n\u003cli\u003eCrank bore diameter of 1.260 inches (31.98 mm)\u003c\/li\u003e\n\u003cli\u003eSingle integrated serpentine pulley with 7 grooves\u003c\/li\u003e\n\u003cli\u003eCast iron outer ring for durability\u003c\/li\u003e\n\u003cli\u003eOverall outside diameter of 5.945 inches (151 mm)\u003c\/li\u003e\n\u003cli\u003eIncludes timing marks for accurate installation\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\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco PB1686N engine harmonic balancer is a critical component designed to reduce torsional vibration in the crankshaft of compatible Infiniti and Nissan engines. Featuring a neutral counterweight balance, this balancer does not add additional counterweights, ensuring precise engine timing and smooth operation. The balancer includes a single serpentine pulley with seven grooves, measuring 5.749 inches (146 mm) in diameter, constructed with a durable cast iron outer ring to withstand engine stresses. Its overall width is 3.130 inches (79.50 mm), and the nose outside diameter measures 1.890 inches (48 mm). The inclusion of timing marks facilitates proper alignment during installation, although hardware and installation instructions are not provided with this part.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis Dayco Premium OEM Replacement Balancer PB1686N is compatible with a range of Infiniti and Nissan models, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInfiniti 350Z, 370Z, EX35, EX37, FX35, FX37, G35, G37, M35, M35h, M37, Q40, Q50, Q60, Q70, Q70L, QX50, QX70\u003c\/li\u003e\n\u003cli\u003eNissan 350Z and 370Z\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to replace the original equipment harmonic balancer, ensuring proper engine function and longevity.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Balancer\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive crankshaft vibration causing engine noise\u003c\/li\u003e\n\u003cli\u003ePremature wear of engine components due to imbalance\u003c\/li\u003e\n\u003cli\u003eReduced engine performance and efficiency\u003c\/li\u003e\n\u003cli\u003ePotential damage to timing components\u003c\/li\u003e\n\u003cli\u003eEngine rough idling or misfires related to harmonic imbalance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the crank bore diameter matches the engine specifications (1.260 inches \/ 31.98 mm)\u003c\/li\u003e\n\u003cli\u003eUse proper tools to align timing marks during installation\u003c\/li\u003e\n\u003cli\u003eVerify pulley groove count and type (7-groove serpentine) for belt compatibility\u003c\/li\u003e\n\u003cli\u003eHardware and installation instructions are not included; refer to vehicle service manual\u003c\/li\u003e\n\u003cli\u003eInspect the crankshaft and surrounding components for wear before installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Dayco Premium OEM Replacement Balancer line is designed to meet or exceed OEM specifications for fit, form, and function. Manufactured with high-quality materials such as cast iron for the outer ring, this balancer provides reliable performance under normal operating conditions. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support durability and proper function in compatible Infiniti and Nissan vehicles.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391727993013,"sku":"BJTQ-PB1686N","price":250.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_PB1686N_Ang.jpg?v=1774729414","url":"https:\/\/www.partcatalog.com\/products\/dayco-pb1686n-engine-harmonic-balancer","provider":"PartCatalog","version":"1.0","type":"link"}