{"product_id":"dayco-pb1146st-engine-harmonic-balancer","title":"Dayco PB1146ST Engine Harmonic Balancer","description":"\u003ch2\u003eOverview of Dayco PB1146ST Engine Harmonic Balancer\u003c\/h2\u003e\u003cp\u003eThe Dayco Street Performance Balancer PB1146ST is engineered for reliable performance in select Toyota and Lexus vehicles. Designed to maintain engine balance and reduce vibration, this harmonic balancer supports smooth operation in models like the Toyota 4Runner and Lexus GX470.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Toyota 4Runner, GX470, Land Cruiser, LX470, Sequoia, and Tundra\u003c\/li\u003e\n\u003cli\u003ePart number PB1146ST for precise identification\u003c\/li\u003e\n\u003cli\u003eNeutral counterweight balance with no additional counterweights\u003c\/li\u003e\n\u003cli\u003eCast iron outer ring for durability\u003c\/li\u003e\n\u003cli\u003eIncludes one integrated serpentine pulley with six grooves\u003c\/li\u003e\n\u003cli\u003eOverall outside diameter of 6.26 inches (159 mm)\u003c\/li\u003e\n\u003cli\u003eTiming marks included for accurate engine timing\u003c\/li\u003e\n\u003cli\u003eTwo bolt holes for secure mounting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dayco PB1146ST harmonic balancer features a neutral counterweight balance, meaning it does not include additional counterweights, which is suitable for engines requiring a balanced setup without extra mass. The crank bore measures 1.379 inches (35.01 mm), ensuring a precise fit on compatible crankshafts. The balancer’s outer ring is constructed from cast iron, providing strength and resistance to wear over time.\u003c\/p\u003e\u003cp\u003eThis balancer integrates a single serpentine pulley with six grooves, measuring 5.512 inches (140 mm) in diameter, designed to drive accessory belts efficiently. The overall width of the balancer is 2.788 inches (70.80 mm), and the ring width is 1.504 inches (38.18 mm). Additionally, the balancer includes timing marks to assist with accurate ignition timing during installation and maintenance.\u003c\/p\u003e\u003ch2\u003eAbout the Street Performance Balancer Product Line\u003c\/h2\u003e\u003cp\u003eThe Dayco Street Performance Balancer line focuses on delivering reliable harmonic balancers tailored for street-driven vehicles. This product line emphasizes durability and precise fitment without added counterweights, making it suitable for performance-oriented applications where engine balance is critical. The PB1146ST is part of this line, offering a balance of strength and functionality for Toyota and Lexus engines.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduces engine vibration and noise for smoother operation\u003c\/li\u003e\n\u003cli\u003ePrevents premature wear on crankshaft and accessory components\u003c\/li\u003e\n\u003cli\u003eMaintains proper timing with integrated timing marks\u003c\/li\u003e\n\u003cli\u003eSupports accessory belt alignment with integrated serpentine pulley\u003c\/li\u003e\n\u003cli\u003eHelps avoid engine damage caused by harmonic imbalance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure crank bore size (1.379 inches) matches engine specifications\u003c\/li\u003e\n\u003cli\u003eUse proper torque settings on the two bolt holes for secure mounting\u003c\/li\u003e\n\u003cli\u003eVerify timing marks alignment during installation for accurate ignition timing\u003c\/li\u003e\n\u003cli\u003eNote that hardware and installation instructions are not included\u003c\/li\u003e\n\u003cli\u003eInspect pulley grooves for belt compatibility before installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the PB1146ST harmonic balancer to meet OEM standards for fit and function. The cast iron construction and precise machining contribute to long service life. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support reliable performance in Toyota and Lexus vehicles.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391716458677,"sku":"BJTQ-PB1146ST","price":237.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_PB1146ST_Ang.jpg?v=1774729379","url":"https:\/\/www.partcatalog.com\/products\/dayco-pb1146st-engine-harmonic-balancer","provider":"PartCatalog","version":"1.0","type":"link"}