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Quick Specs

  • Size:2-1/16" (52.4mm)
  • Type:Air-Core
  • Range:100-250 °F
  • Lighting:LED
  • Instructions: Download PDF


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 is included for a simple installation on any application.

Feature Points
  • Modern white LED through-the-dial lighting provides clear visibility during nighttime use
  • 12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system
  • Gauge kit includes 1/8” NPT temperature sender, 3/8” and 1/2" NPT adapters, mounting hardware, and detailed instructions for installation
  • AutoMeter’s race proven air-core electric instruments provide quick and accurate readings while keeping hazardous fluids outside of the vehicle
Ships With
  • 2258
  • 3/8" NPT and 1/2" NPT adapter fittings
  • 2230
California Residents: Prop 65 WARNING prop65 Cancer, Birth Defects and Reproductive Harm



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I received American Muscle Gauges and it does not appear the bulbs can be changed on the 2 1/16" gauges - is this true? And if so, if the bulb goes out what is my option to fix the light?

Asked by: Morris
Hi Morris, the American Muscle features long-life, internal, circuit-board mounted LEDs. They are not accessible or replaceable without sending in for service.
Answered by: Matt from AutoMeter
Date published: 2022-04-22

Ciao from Italy, sorry is this correct for a ‘76 Ford 460 engine? Thanks

Asked by: Sante
Thank you for your question. This gauge will work with your application but you will need to use the sending unit provided with it.
Answered by: Alex at AutoMeter
Date published: 2020-05-06

I am currently building my car here in Aus. However i have stuck i love this style of gauge but do you do them in degree C or only Degrees F

Asked by: Bobbit
Hi Bobbit, Unfortunately this American Muscle gauge is only available in degrees F. Thanks, Jim
Answered by: Jim from AutoMeter
Date published: 2020-06-14

Can this gauge read without the included sender unit

Asked by: Lucky
Thank you for your question. No, the sending unit is what tells the gauge what to display. Without it the gauge will constantly have no signal and it will not work.
Answered by: Zach from AutoMeter
Date published: 2019-04-05

I have American Muscle (short sweep) gauges in my car. My water temp gauge is showing 230 - 250 but I'm only getting a reading of 180 - 210 with an infrared tester. I have sender # 2259 but your website shows needing #2258. Might this be the problem?

Asked by: Carl M
Hi Carl, thank you so much for contacting us. The 2259 is completely interchangeable with the 2258, so no issues there. Your infrared gun is only measuring surface temp which tends to be between 10%-20% lower than the actual fluid temp that your gauge is reading. It is not a reliable indication of the accuracy of a gauge. The first thing I'd look at is the ground for the gauge itself. A temp gauge reads over a very wide resistance scale and references that ground when it measures. Any additional resistance or interference to ground will cause the gauge to read erroneously high. Also, we separate out the ground circuit for the gauge and the gauge lights for a reason. If they are tied together your gauge will almost definitely read high. To test, take the ground wire from the gauge itself and connect it to a good engine or chassis ground. Do not use anything inside the cabin, don't share the ground with other consumers and definitely don't connect it to the battery. Chances are the issue goes away, though the spread isn't far from what I'd personally expect to see between a temp gauge and an IR gun. For more info on this, check out this article we wrote: Hope this helps!
Answered by: Joseph At AutoMeter
Date published: 2018-10-25

The light went out in my American Muscle water temp gauge after 6 years. Do you repair, if so how long and how much?

Asked by: fritz
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