{"product_id":"merc-868","title":"Mercury - Idler Pulley - 864625T","description":"\u003cp\u003eThe Mercury MerCruiser Quicksilver Idler Pulley 864625T is an OEM serpentine belt pulley used on compatible MerCruiser V6 and V8 stern drive and inboard engines. It helps guide and maintain proper belt tracking across the accessory drive system.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury\/MerCruiser idler pulley\u003c\/li\u003e\n\u003cli\u003ePart number: 864625T\u003c\/li\u003e\n\u003cli\u003e4.25\" \/ 4-1\/4\" outside diameter\u003c\/li\u003e\n\u003cli\u003e6-groove serpentine belt design\u003c\/li\u003e\n\u003cli\u003eSealed bearing pulley construction\u003c\/li\u003e\n\u003cli\u003eUsed on compatible Alpha and Bravo engine packages\u003c\/li\u003e\n\u003cli\u003eHelps maintain proper accessory belt alignment and tension\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFits select 1998 and newer MerCruiser V6 and V8 marine engines, including 4.3L V6, 5.0L V8, 5.7L \/ 350 Mag, and 6.2L \/ MX 6.2L applications using this 6-groove serpentine pulley setup.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eVerify fitment by engine serial number, belt routing diagram, pulley diameter, and original pulley part number before ordering. Pulley fitment can vary by accessory bracket layout, belt system, engine model, and production range.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this pulley if the bearing is noisy, rough, loose, seized, wobbling, cracked, corroded, or if the belt shows abnormal wear, squealing, tracking issues, or repeated belt failure.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eInspect the serpentine belt, belt tensioner, adjacent pulleys, alternator pulley, power steering pulley, and bracket alignment during service. Replace the belt if it is glazed, cracked, frayed, oil-soaked, or worn.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003ePrimary Mercury references: 864625T, 849296T, 57-8638764, and 57-862086. Common aftermarket interchange: Sierra Marine 18-15101.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eA worn idler pulley can make a new belt fail quickly. If the pulley bearing feels rough or the belt is tracking off-center, replacing the pulley during belt service helps protect the full accessory drive system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563897421860,"sku":"864625T","price":96.37,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/c9846f44-70f6-456f-977d-4c841d463ccc.png?v=1780807941","url":"https:\/\/marisolmarine.com\/products\/merc-868","provider":"Marisol Marine Company","version":"1.0","type":"link"}