{"product_id":"mercury-gauge-wtr-temp-79-8m6020022","title":"Mercury – Water Temperature Gauge C–H (120–240°F) | Cooling System Monitoring | White Face | Chrome Bezel | 79-8M6020022","description":"\u003cp data-start=\"0\" data-end=\"124\"\u003e\u003cstrong data-start=\"0\" data-end=\"124\"\u003eMercury – Water Temperature Gauge C–H (120–240°F) | Cooling System Monitoring | White Face | Chrome Bezel | 79-8M6020022\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"126\" data-end=\"129\"\u003e\n\u003cp data-start=\"131\" data-end=\"541\"\u003e\u003cstrong data-start=\"131\" data-end=\"143\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"143\" data-end=\"146\"\u003eThis 120–240°F water-temperature gauge gives you a steady, easy read on how warm the engine’s running. The needle moves with a slow, predictable sweep, so real temperature changes pop out without bouncing around. Out on the water, it becomes a quick part of your natural scan—glance, note the number, and keep running. It’s a clean, simple gauge that helps you stay ahead of heat-related issues.\u003c\/p\u003e\n\u003chr data-start=\"543\" data-end=\"546\"\u003e\n\u003cp data-start=\"548\" data-end=\"1075\"\u003e\u003cstrong data-start=\"548\" data-end=\"564\"\u003eKey Features\u003c\/strong\u003e\u003cbr data-start=\"564\" data-end=\"567\"\u003e    • \u003cstrong data-start=\"593\" data-end=\"612\"\u003e120–240°F Scale\u003c\/strong\u003e – Covers the heat range most marine engines run in.\u003cbr data-start=\"664\" data-end=\"667\"\u003e    • \u003cstrong data-start=\"693\" data-end=\"716\"\u003eSmooth Needle Sweep\u003c\/strong\u003e – Holds steady through chop, trim changes, and throttle swings.\u003cbr data-start=\"780\" data-end=\"783\"\u003e    • \u003cstrong data-start=\"809\" data-end=\"830\"\u003eStandard Dash Fit\u003c\/strong\u003e – Fits neatly in common dash cutouts.\u003cbr data-start=\"868\" data-end=\"871\"\u003e    • \u003cstrong data-start=\"897\" data-end=\"916\"\u003eBacklit Display\u003c\/strong\u003e – Easy to read in low light or cloudy conditions.\u003cbr data-start=\"966\" data-end=\"969\"\u003e    • \u003cstrong data-start=\"995\" data-end=\"1019\"\u003eMarine-Durable Build\u003c\/strong\u003e – Handles spray, vibration, and long days on the water.\u003c\/p\u003e\n\u003chr data-start=\"1077\" data-end=\"1080\"\u003e\n\u003cp data-start=\"1082\" data-end=\"1294\"\u003e\u003cstrong data-start=\"1082\" data-end=\"1113\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr data-start=\"1113\" data-end=\"1116\"\u003e    • FourStroke outboards\u003cbr data-start=\"1162\" data-end=\"1165\"\u003e    • Verado series\u003cbr data-start=\"1204\" data-end=\"1207\"\u003e    • Pro XS engines\u003cbr data-start=\"1247\" data-end=\"1250\"\u003e    • SmartCraft systems\u003c\/p\u003e\n\u003chr data-start=\"1296\" data-end=\"1299\"\u003e\n\u003cp data-start=\"1301\" data-end=\"1706\"\u003e\u003cstrong data-start=\"1301\" data-end=\"1337\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1337\" data-end=\"1340\"\u003eOn the water, this gauge helps you spot rising temps early when you’re pushing through weeds, running shallow, or working the engine hard. The calm sweep makes it easy to catch gradual changes that might otherwise go unnoticed. It’s quick to read and doesn’t draw attention away from the run. In day-to-day use, it becomes a quiet part of keeping the engine healthy.\u003c\/p\u003e\n\u003chr data-start=\"1708\" data-end=\"1711\"\u003e\n\u003cp data-start=\"1713\" data-end=\"1994\"\u003e\u003cstrong data-start=\"1713\" data-end=\"1728\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"1728\" data-end=\"1731\"\u003eOEM gauges read Mercury’s sender signal exactly as intended, which keeps the temperature accurate and consistent. They handle vibration, heat, and weather better than cheaper versions. Most boaters stick with OEM because it avoids guesswork and drifting readings.\u003c\/p\u003e\n\u003chr data-start=\"1996\" data-end=\"1999\"\u003e\n\u003cp data-start=\"2001\" data-end=\"2168\"\u003e\u003cstrong data-start=\"2001\" data-end=\"2008\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"2008\" data-end=\"2011\"\u003e\u003cstrong data-start=\"2011\" data-end=\"2070\"\u003e1. How can I tell if this temperature gauge is failing?\u003c\/strong\u003e\u003cbr data-start=\"2070\" data-end=\"2073\"\u003eIf the needle sticks, jumps, or doesn’t change as the engine warms up, it’s likely wearing out.\u003c\/p\u003e\n\u003cp data-start=\"2170\" data-end=\"2303\"\u003e\u003cstrong data-start=\"2170\" data-end=\"2202\"\u003e2. Does it need calibration?\u003c\/strong\u003e\u003cbr data-start=\"2202\" data-end=\"2205\"\u003eMost setups read correctly right away, but checking the sender connection during install is smart.\u003c\/p\u003e\n\u003cp data-start=\"2305\" data-end=\"2426\"\u003e\u003cstrong data-start=\"2305\" data-end=\"2345\"\u003e3. How does it hold up in saltwater?\u003c\/strong\u003e\u003cbr data-start=\"2345\" data-end=\"2348\"\u003eA quick rinse after each run helps it stay reliable through saltwater seasons.\u003c\/p\u003e\n\u003cp data-start=\"2428\" data-end=\"2552\"\u003e\u003cstrong data-start=\"2428\" data-end=\"2474\"\u003e4. Anything important during installation?\u003c\/strong\u003e\u003cbr data-start=\"2474\" data-end=\"2477\"\u003eClean wiring and solid grounds help the needle move smoothly and read true.\u003c\/p\u003e\n\u003cp data-start=\"2554\" data-end=\"2704\"\u003e\u003cstrong data-start=\"2554\" data-end=\"2608\"\u003e5. What does overheating typically look like here?\u003c\/strong\u003e\u003cbr data-start=\"2608\" data-end=\"2611\"\u003eThe needle climbs toward the upper part of the scale and doesn’t settle back down under load.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46936503189795,"sku":"79-8M6020022","price":46.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV1002984_5.jpg?v=1698797830","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-gauge-wtr-temp-79-8m6020022","provider":"PartsVu","version":"1.0","type":"link"}