{"product_id":"mercury-gauge-wtr-temp-79-8m6020058","title":"Mercury – Water Temperature Gauge C–H (120–240°F) | Cooling System Monitoring | White Face | Black Bezel | 79-8M6020058","description":"\u003cp data-end=\"96\" data-start=\"0\"\u003e\u003cstrong data-end=\"96\" data-start=\"0\"\u003eMercury – Water Temperature Gauge C–H (120–240°F) | Cooling System Monitoring | White Face | Black Bezel | 79-8M6020058\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-end=\"101\" data-start=\"98\"\u003e\n\u003cp data-end=\"606\" data-start=\"103\"\u003e\u003cstrong data-end=\"115\" data-start=\"103\"\u003eOverview\u003c\/strong\u003e\u003cbr data-end=\"118\" data-start=\"115\"\u003eThis 120–240°F water-temperature gauge gives you a steady sense of how warm the engine’s running without the needle jumping every time the boat shifts. The sweep is smooth enough that small changes are easy to notice, which helps when you’re running skinny water or pushing through chop. Out on the water, it feels like one of those quiet checks you make out of habit—quick glance, clear answer, and back to the ride. It’s a simple, dependable tool that keeps you in tune with the engine.\u003c\/p\u003e\n\u003chr data-end=\"611\" data-start=\"608\"\u003e\n\u003cp data-end=\"1162\" data-start=\"613\"\u003e\u003cstrong data-end=\"629\" data-start=\"613\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-end=\"632\" data-start=\"629\"\u003e    • \u003cstrong data-end=\"677\" data-start=\"658\"\u003e120–240°F Scale\u003c\/strong\u003e – Covers the heat range most outboards and sterndrives run in.\u003cbr data-end=\"743\" data-start=\"740\"\u003e    • \u003cstrong data-end=\"792\" data-start=\"769\"\u003eSteady Needle Sweep\u003c\/strong\u003e – Stays calm through chop, trim changes, and throttle adjustments.\u003cbr data-end=\"862\" data-start=\"859\"\u003e    • \u003cstrong data-end=\"909\" data-start=\"888\"\u003eStandard Dash Fit\u003c\/strong\u003e – Sits neatly in common dash openings.\u003cbr data-end=\"951\" data-start=\"948\"\u003e    • \u003cstrong data-end=\"996\" data-start=\"977\"\u003eBacklit Display\u003c\/strong\u003e – Easy to read when the light drops or weather rolls in.\u003cbr data-end=\"1056\" data-start=\"1053\"\u003e    • \u003cstrong data-end=\"1106\" data-start=\"1082\"\u003eMarine-Durable Build\u003c\/strong\u003e – Handles vibration, spray, and long days on the water.\u003c\/p\u003e\n\u003chr data-end=\"1167\" data-start=\"1164\"\u003e\n\u003cp data-end=\"1381\" data-start=\"1169\"\u003e\u003cstrong data-end=\"1200\" data-start=\"1169\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-end=\"1203\" data-start=\"1200\"\u003e    • FourStroke outboards\u003cbr data-end=\"1252\" data-start=\"1249\"\u003e    • Verado series\u003cbr data-end=\"1294\" data-start=\"1291\"\u003e    • Pro XS engines\u003cbr data-end=\"1337\" data-start=\"1334\"\u003e    • SmartCraft systems\u003c\/p\u003e\n\u003chr data-end=\"1386\" data-start=\"1383\"\u003e\n\u003cp data-end=\"1857\" data-start=\"1388\"\u003e\u003cstrong data-end=\"1424\" data-start=\"1388\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-end=\"1427\" data-start=\"1424\"\u003eOn the water, this gauge helps you spot early signs of overheating before alarms or symptoms show up. The stable sweep makes it easier to notice small rises when you’re trimmed high, in weedy areas, or running hard in warm conditions. It’s quick to read without breaking your focus, which keeps the boat running where it should. Over time, it becomes one of those quiet “checks” that keeps everything feeling safe and predictable.\u003c\/p\u003e\n\u003chr data-end=\"1862\" data-start=\"1859\"\u003e\n\u003cp data-end=\"2140\" data-start=\"1864\"\u003e\u003cstrong data-end=\"1879\" data-start=\"1864\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-end=\"1882\" data-start=\"1879\"\u003eOEM gauges match Mercury’s sender signals exactly, which keeps the reading honest instead of wandering. They hold up well to real running conditions—vibration, heat, spray, and temperature swings. Most boaters stick with OEM because it removes the guesswork.\u003c\/p\u003e\n\u003chr data-end=\"2145\" data-start=\"2142\"\u003e\n\u003cp data-end=\"2317\" data-start=\"2147\"\u003e\u003cstrong data-end=\"2154\" data-start=\"2147\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-end=\"2157\" data-start=\"2154\"\u003e\u003cstrong data-end=\"2214\" data-start=\"2157\"\u003e1. How do I know if the temperature gauge is failing?\u003c\/strong\u003e\u003cbr data-end=\"2217\" data-start=\"2214\"\u003eIf the needle sticks, jumps, or refuses to change even when the engine warms up, it’s likely fading.\u003c\/p\u003e\n\u003cp data-end=\"2460\" data-start=\"2319\"\u003e\u003cstrong data-end=\"2359\" data-start=\"2319\"\u003e2. Does this gauge need calibration?\u003c\/strong\u003e\u003cbr data-end=\"2362\" data-start=\"2359\"\u003eMost setups read correctly right away, but checking the sender connection during install is smart.\u003c\/p\u003e\n\u003cp data-end=\"2584\" data-start=\"2462\"\u003e\u003cstrong data-end=\"2498\" data-start=\"2462\"\u003e3. How does it handle saltwater?\u003c\/strong\u003e\u003cbr data-end=\"2501\" data-start=\"2498\"\u003eA quick rinse after each run helps it last through saltwater seasons without issue.\u003c\/p\u003e\n\u003cp data-end=\"2715\" data-start=\"2586\"\u003e\u003cstrong data-end=\"2632\" data-start=\"2586\"\u003e4. Anything important during installation?\u003c\/strong\u003e\u003cbr data-end=\"2635\" data-start=\"2632\"\u003eGood grounds and clean wiring help the needle move smoothly and read accurately.\u003c\/p\u003e\n\u003cp data-end=\"2848\" data-start=\"2717\"\u003e\u003cstrong data-end=\"2770\" data-start=\"2717\"\u003e5. What does overheating look like on this gauge?\u003c\/strong\u003e\u003cbr data-end=\"2773\" data-start=\"2770\"\u003eYou’ll see the needle climb toward the upper end and stay there under load.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936499880227,"sku":"79-8M6020058","price":49.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV1003035.jpg?v=1720533533","url":"https:\/\/partsvu.com\/en-mx\/products\/mercury-gauge-wtr-temp-79-8m6020058","provider":"PartsVu","version":"1.0","type":"link"}