{"product_id":"mercury-alternator-8m0057693","title":"Mercury – Alternator | Charging System | 8M0057693","description":"\u003cp data-start=\"0\" data-end=\"50\"\u003eMercury – Alternator | Charging System | 8M0057693\u003c\/p\u003e\n\u003chr data-start=\"52\" data-end=\"55\"\u003e\n\u003ch3 data-start=\"57\" data-end=\"71\"\u003eOverview\u003c\/h3\u003e\n\u003cp data-start=\"72\" data-end=\"703\"\u003eWhen the alternator on a Mercury FourStroke starts to get weak, you usually notice it long before it quits—electronics flicker, the battery never seems fully charged, and the engine just doesn’t feel as “settled” as it should. This alternator is built for the 135–150HP EFI models and is designed to keep up with everything these motors run: ignition, pumps, lights, and whatever gear you’ve added over the years. It holds steady output whether you’re idling through a tight channel or running hard across open water. If your battery has been dropping lower than usual, this is the kind of part that brings the system back to life.\u003c\/p\u003e\n\u003chr data-start=\"705\" data-end=\"708\"\u003e\n\u003ch3 data-start=\"710\" data-end=\"728\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"729\" data-end=\"1189\"\u003e • \u003cstrong data-start=\"732\" data-end=\"755\"\u003eCharging Alternator\u003c\/strong\u003e – Keeps the cranking battery and onboard systems supplied with steady power.\u003cbr data-start=\"832\" data-end=\"835\"\u003e • \u003cstrong data-start=\"838\" data-end=\"877\"\u003eBuilt for 135–150HP EFI FourStrokes\u003c\/strong\u003e – Matches the output and mounting used on these engines.\u003cbr data-start=\"934\" data-end=\"937\"\u003e • \u003cstrong data-start=\"940\" data-end=\"962\"\u003eHeat-Tested Design\u003c\/strong\u003e – Verified to hold up inside a hot outboard cowling.\u003cbr data-start=\"1015\" data-end=\"1018\"\u003e  • \u003cstrong data-start=\"1022\" data-end=\"1044\"\u003eOEM Fit and Output\u003c\/strong\u003e – Meets Mercury’s charging specs for reliability.\u003cbr data-start=\"1094\" data-end=\"1097\"\u003e • \u003cstrong data-start=\"1100\" data-end=\"1129\"\u003eStable Voltage Under Load\u003c\/strong\u003e – Helps prevent dips when multiple accessories are running.\u003c\/p\u003e\n\u003chr data-start=\"1191\" data-end=\"1194\"\u003e\n\u003ch3 data-start=\"1196\" data-end=\"1229\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"1230\" data-end=\"1332\"\u003e • 135HP EFI FourStroke\u003cbr data-start=\"1253\" data-end=\"1256\"\u003e • 150HP EFI FourStroke\u003cbr data-start=\"1279\" data-end=\"1282\"\u003e • EFI charging systems\u003cbr data-start=\"1305\" data-end=\"1308\"\u003e • FourStroke platform\u003c\/p\u003e\n\u003chr data-start=\"1334\" data-end=\"1337\"\u003e\n\u003ch3 data-start=\"1339\" data-end=\"1377\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/h3\u003e\n\u003cp data-start=\"1378\" data-end=\"1764\"\u003eA good alternator keeps the whole boat feeling solid. Starts are quicker, lights stay bright, pumps don’t bog, and electronics stay steady even when you’re bouncing through chop. The ignition system holds a cleaner rhythm too, since it’s not fighting low voltage at idle or low RPM. It’s the kind of upgrade that doesn’t show off—but you feel the difference every time you turn the key.\u003c\/p\u003e\n\u003chr data-start=\"1766\" data-end=\"1769\"\u003e\n\u003ch3 data-start=\"1771\" data-end=\"1788\"\u003eWhy Buy OEM\u003c\/h3\u003e\n\u003cp data-start=\"1789\" data-end=\"2077\"\u003eOEM alternators match Mercury’s mounting, output curve, and durability expectations. They’re built to handle the heat, vibration, and long run times that marine engines see. With aftermarket charging parts, you’re often rolling the dice on voltage stability. OEM keeps things predictable.\u003c\/p\u003e\n\u003chr data-start=\"2079\" data-end=\"2082\"\u003e\n\u003ch3 data-start=\"2084\" data-end=\"2093\"\u003eFAQ\u003c\/h3\u003e\n\u003cp data-start=\"2094\" data-end=\"2254\"\u003e\u003cstrong data-start=\"2094\" data-end=\"2158\"\u003eQ1: What’s the most common sign the alternator is going bad?\u003c\/strong\u003e\u003cbr data-start=\"2158\" data-end=\"2161\"\u003e\u003cstrong data-start=\"2161\" data-end=\"2167\"\u003eA:\u003c\/strong\u003e Electronics dimming, weak battery recovery, or slow cranking after a day on the water.\u003c\/p\u003e\n\u003cp data-start=\"2256\" data-end=\"2405\"\u003e\u003cstrong data-start=\"2256\" data-end=\"2312\"\u003eQ2: Does installing this require any computer reset?\u003c\/strong\u003e\u003cbr data-start=\"2312\" data-end=\"2315\"\u003e\u003cstrong data-start=\"2315\" data-end=\"2321\"\u003eA:\u003c\/strong\u003e No—bolt it in, hook it up, and the motor manages the charging system automatically.\u003c\/p\u003e\n\u003cp data-start=\"2407\" data-end=\"2554\"\u003e\u003cstrong data-start=\"2407\" data-end=\"2465\"\u003eQ3: Can heat inside the cowling cause charging issues?\u003c\/strong\u003e\u003cbr data-start=\"2465\" data-end=\"2468\"\u003e\u003cstrong data-start=\"2468\" data-end=\"2474\"\u003eA:\u003c\/strong\u003e Absolutely, which is why this alternator is tested to handle high temperatures.\u003c\/p\u003e\n\u003cp data-start=\"2556\" data-end=\"2698\"\u003e\u003cstrong data-start=\"2556\" data-end=\"2607\"\u003eQ4: Should I inspect the belt at the same time?\u003c\/strong\u003e\u003cbr data-start=\"2607\" data-end=\"2610\"\u003e\u003cstrong data-start=\"2610\" data-end=\"2616\"\u003eA:\u003c\/strong\u003e Yes—if the belt looks shiny or cracked, replace it while you’re already in there.\u003c\/p\u003e\n\u003cp data-start=\"2700\" data-end=\"2868\"\u003e\u003cstrong data-start=\"2700\" data-end=\"2760\"\u003eQ5: What happens if the alternator output drops too low?\u003c\/strong\u003e\u003cbr data-start=\"2760\" data-end=\"2763\"\u003e\u003cstrong data-start=\"2763\" data-end=\"2769\"\u003eA:\u003c\/strong\u003e Batteries don’t recover, electronics flicker, and the ignition may stumble at idle or throttle-up.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935427514659,"sku":"8M0057693","price":382.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV503291_1_9.jpg?v=1698793427","url":"https:\/\/partsvu.com\/en-mx\/products\/mercury-alternator-8m0057693","provider":"PartsVu","version":"1.0","type":"link"}