{"product_id":"merc-52","title":"Mercury MerCruiser Quicksilver V-Belt 65607Q – 37\" \/ 940 mm","description":"\u003ch2\u003eMercury MerCruiser Quicksilver V-Belt 65607Q – 37\" \/ 940 mm\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 65607Q (Service format: 57-65607Q)\u003cbr\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Mercury Marine \/ Quicksilver (OEM)\u003cbr\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e V-Belt\u003cbr\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 37 in. \/ 940 mm\u003cbr\u003e\n\u003cstrong\u003eSupersedes:\u003c\/strong\u003e 65607T, 65607\u003cbr\u003e\n\u003cstrong\u003eGTIN:\u003c\/strong\u003e 745061167674\u003c\/p\u003e\n\n\u003cp\u003eGenuine Mercury Marine OEM V-belt for selected MerCruiser 3.0L Alpha One and 3.0L MPI EC sterndrive engines. This belt drives front-engine accessories including the alternator and maintains proper belt tension and power transfer in the accessory-drive system.\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMerCruiser 3.0L Alpha One – Serial 1A002000 through 1A020543\u003c\/li\u003e\n  \u003cli\u003eMerCruiser 3.0L Alpha One – Serial 1A020544 and up\u003c\/li\u003e\n  \u003cli\u003eMerCruiser 3.0L MPI EC – Serial 1A072812 and up\u003c\/li\u003e\n  \u003cli\u003eSelected earlier 2.5L \/ 3.0L carbureted applications (verify by serial number)\u003c\/li\u003e\n  \u003cli\u003eExact fitment must be confirmed against engine serial number and parts diagram\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDimensions\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLength: 37 in. \/ 940 mm\u003c\/li\u003e\n  \u003cli\u003eType: V-Belt (classical V-profile)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSystem\u003c\/h3\u003e\n\u003cp\u003eAccessory drive — front of engine. Drives the alternator and associated accessories off the crankshaft pulley. Proper belt tension is critical for charging system performance and accessory longevity. Refer to the applicable MerCruiser service manual for correct routing and tension specification.\u003c\/p\u003e\n\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBelt shows cracking, glazing, or frayed edges\u003c\/li\u003e\n  \u003cli\u003eBelt is excessively stretched or cannot hold proper tension\u003c\/li\u003e\n  \u003cli\u003eSquealing under load or at startup\u003c\/li\u003e\n  \u003cli\u003eAny time accessory-drive components are removed for service\u003c\/li\u003e\n  \u003cli\u003eRoutine seasonal or annual maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eService Interval\u003c\/h3\u003e\n\u003cp\u003eInspect at every seasonal service. Replace if any cracking, glazing, or fraying is present. A worn V-belt can cause charging system underperformance or accessory failure — replacement is low cost relative to the risk of a belt failure on the water.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect pulleys for wear, misalignment, and corrosion before installing the new belt\u003c\/li\u003e\n  \u003cli\u003eCheck tensioning hardware and idler pulley condition while the belt is off\u003c\/li\u003e\n  \u003cli\u003eRoute the belt per the MerCruiser parts diagram and service manual for your model\u003c\/li\u003e\n  \u003cli\u003eSet tension to specification — over-tensioning can damage bearings; under-tensioning causes slipping\u003c\/li\u003e\n  \u003cli\u003eConfirm part number 65607Q against your engine serial number before installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAlternate \u0026amp; Superseded Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCurrent: \u003cstrong\u003e65607Q\u003c\/strong\u003e \/ 57-65607Q\u003c\/li\u003e\n  \u003cli\u003eSupersedes: \u003cstrong\u003e65607T\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eSupersedes: \u003cstrong\u003e65607\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/8131430121508\"\u003eMercury Idler Pulley Support Bushing 865193\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/11167580160036\"\u003eMercury Alternator 862031T1 – 70 Amp | MerCruiser GM V6 \u0026amp; V8\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/8131432022052\"\u003eMercury Quicksilver Circulating Water Pump Gasket 879150138 | MerCruiser 3.0L\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/8131438182436\"\u003eMercury MerCruiser Intake Gasket Set 8M0073380\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use a generic 37-inch V-belt as a substitute?\u003c\/strong\u003e\u003cbr\u003e\nA: Not recommended. A generic belt may share the same nominal length but can differ in profile width, construction, and pulley engagement geometry. The OEM belt is sized to the MerCruiser pulley system — using an off-spec belt risks slipping, premature wear, or accessory drive failure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: My engine is a MerCruiser 3.0L — is this the correct belt?\u003c\/strong\u003e\u003cbr\u003e\nA: Not necessarily — 3.0L MerCruiser engines can use different belt configurations depending on serial range and accessory setup. Confirm part number 65607Q in the Mercury parts diagram for your specific serial number before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: My diagram shows 65607T or 65607 — is this the replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. Mercury Marine has superseded both 65607T and 65607 with the current part number 65607Q.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if my belt needs replacing?\u003c\/strong\u003e\u003cbr\u003e\nA: Look for cracking on the inner surface, glazed or shiny contact faces, frayed or split edges, and any squealing at startup or under load. A belt that cannot be tensioned to spec should also be replaced.\u003c\/p\u003e\n\n\u003chr\u003e\n\u003cp\u003e\u003cem\u003eGenuine Mercury Marine \/ Quicksilver OEM part. Confirm fitment by engine serial number and parts diagram before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e This is the correct belt for a MerCruiser 3.0L accessory-drive service where part number 65607Q appears in the Mercury parts diagram for your serial range. It is a straightforward replacement item — best ordered before the season starts or at the first sign of cracking or glazing, rather than waiting for a failure on the water.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMost common mistake:\u003c\/strong\u003e Selecting this belt by length alone. A 37-inch V-belt is a common dimension, and generic substitutes are widely available — but profile width and construction vary by manufacturer and application. The wrong profile will not engage the MerCruiser pulleys correctly, leading to slipping or accelerated wear. Always order by Mercury part number, not by size.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment guidance:\u003c\/strong\u003e The MerCruiser 3.0L family spans multiple serial ranges with different accessory configurations. Do not assume 65607Q is correct for all 3.0L engines — verify against your specific serial number in the Mercury parts diagram. If your diagram shows 65607T or 65607, this current part is the direct OEM replacement.\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":51324681027620,"sku":"65607Q","price":46.84,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/bf03f9ec-ba31-4757-96c6-461672b2edbd.png?v=1788562410","url":"https:\/\/marisolmarine.com\/products\/merc-52","provider":"Marisol Marine Company","version":"1.0","type":"link"}