{"product_id":"mercury-mercruiser-panel-assembly-55642a1","title":"Mercury MerCruiser Quicksilver Panel Assembly 55642A1","description":"\u003ch2\u003eMercury Quicksilver Panel Assembly – Part No. 55642A1\u003c\/h2\u003e\n\n\u003cp\u003eThis is a genuine OEM Mercury Marine \/ Quicksilver panel assembly used on classic MerCruiser sterndrive and outboard electrical rigging systems. The panel serves as the central mounting point for engine control switches and electrical connections at the helm — housing ignition, trim\/tilt, and instrumentation wiring in a single organized assembly. This part number has been \u003cstrong\u003esuperseded by 55642A17\u003c\/strong\u003e, which is the current production replacement. If 55642A17 is available, it is the preferred order; 55642A1 remains the correct reference for diagram identification and cross-referencing.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003ePart Details\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 55642A1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Mercury Marine \/ Quicksilver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOfficial Product Type:\u003c\/strong\u003e Panel Assembly \/ Helm Control Panel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperseded By:\u003c\/strong\u003e 55642A17 (current production replacement)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Electrical \/ Engine Control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New OEM\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eCompatible Applications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eMerCruiser 120 and 140 engines\u003c\/li\u003e\n  \u003cli\u003eMerCruiser 165 engines\u003c\/li\u003e\n  \u003cli\u003eMerCruiser 470 and 485 engines\u003c\/li\u003e\n  \u003cli\u003eMerCruiser 898, 228, and 260 engines\u003c\/li\u003e\n  \u003cli\u003eTR and TRS sterndrive systems (approximately 1977–1993)\u003c\/li\u003e\n  \u003cli\u003eMercury outboard electrical rigging systems (1985 and earlier)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eAlways verify compatibility using the engine serial number and parts diagram before ordering. Control panel specifications vary by engine model, rigging configuration, and production year.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eSupersession Note\u003c\/h2\u003e\n\u003cp\u003eThis part (55642A1) has been superseded by \u003cstrong\u003e55642A17\u003c\/strong\u003e. The A17 revision is the current production panel assembly and is the preferred replacement. If you are ordering for a restoration or need to match the original part number exactly, confirm with the parts diagram whether the A17 revision is a direct drop-in for your application.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDisconnect battery power before removing or installing any panel assembly\u003c\/li\u003e\n  \u003cli\u003eLabel or photograph all wiring connections before disassembly to ensure correct reinstallation\u003c\/li\u003e\n  \u003cli\u003eVerify switch and connector positions match the original panel layout before finalizing installation\u003c\/li\u003e\n  \u003cli\u003eFollow the Mercury service manual wiring diagram for your engine model and serial number range\u003c\/li\u003e\n  \u003cli\u003eTest all functions (ignition, trim, instrumentation) before returning the vessel to service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eService Interval\u003c\/h2\u003e\n\u003cp\u003eInspect the panel assembly during annual electrical system service. Replace if switches are corroded, contacts are pitted, wiring insulation is cracked, or the panel housing is damaged. Corrosion at switch contacts is a common cause of intermittent ignition and trim faults on older MerCruiser systems.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eParts Desk Insights\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e Restoration of classic MerCruiser TR\/TRS sterndrive systems and older engine packages where the original panel has corroded switches, damaged wiring, or a broken housing. This is also the correct reference part number for cross-checking the superseding A17 revision against your specific engine’s diagram.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon mistakes:\u003c\/strong\u003e Ordering the A1 revision when the A17 is available and a direct fit — always check current availability of the superseding part first. Also confirm the panel configuration matches your rigging setup: Mercury used several panel variants across the TR\/TRS era that differ in switch count and connector layout, and they are not always interchangeable even within the same engine family.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eRelated Parts\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/mercury-mercruiser-quicksilver-switch-assembly-54211t\"\u003eMercury MerCruiser Quicksilver Switch Assembly 54211T\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/mercury-mercruiser-quicksilver-circuit-breaker-11178a01\"\u003eMercury MerCruiser Quicksilver Circuit Breaker 11178A01\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563862753316,"sku":"55642A1","price":30.65,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/bce859e8-baff-4548-be54-937c65fb5593.png?v=1783363657","url":"https:\/\/marisolmarine.com\/products\/mercury-mercruiser-panel-assembly-55642a1","provider":"Marisol Marine Company","version":"1.0","type":"link"}