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A high water temp can be detrimental to an engine. Heat is the enemy of performance and reliability. Keep tabs on your temps with the most trusted water temperature gauge on the market. AutoMeter’s advanced 1/8” NPT temperature transducer (990344) is available separately for a simple installation on any application.
- ADDITIONAL NOTES
- Features front sealed bezel design for added water resistance and UV protected paint on dial pointer for added protection against sun damage
- Requires sending unit 990344 (sold separately)
- 12 and 16 volt compatible, well-suited with nearly every marine electrical system
- Gauge kit includes bulb and socket assembly, red and green bulb covers, corrosion resistant mounting hardware, and detailed instructions for installation
- 12 month limited warranty
- AutoMeter’s race proven air-core electric instruments provide quick and accurate readings while keeping hazardous fluids outside of the boat
- Traditional incandescent lighting illuminates around the perimeter of the dial
- SHIPPED WITH
Bulb & Socket
- Red 3214 & Green 3215
Hello, I bought two of these gauges for 502 MPI Mercury Marine engines. The temps read equally high on both motors (50 degrees over stat opening temp), is there a sender change required? Neither motor seemed to operate hot.Thank you so much for contacting us. These gauge should be using AutoMeter sending units. They are not compatible with any other senders as the resistance range is different. This is the correct sending unit for these gauges: https://www.autometer.com/temperature-sender-short-sweep-electric-marine.html If you are using the correct sending unit and the gauge still seems to read high, the number one cause is resistance or interference to ground on the gauge circuit. As temp gauges operate over a wide resistance scale and references ground to read, any interference on that ground circuit will cause the gauge to read erroneously high. One major culprit we see is the gauge ground being tied in with the ground circuit for the gauge lights. Make sure each gauge has a solid ground away from other electrical consumers. In the vast majority of cases, this corrects any high readings. Hope this helps!Date published: 2018-06-20
California Prop 65 Warning