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Quick Specs

  • Size:2-1/16" (52.4mm)
  • Type:Air-Core
  • Range:100-250 °F
  • Lighting:Incandescent
  • 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
  • Traditional incandescent lighting illuminates around the perimeter of the dial
  • 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, bulb and socket assembly, red and green bulb covers, 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
  • Includes Sending Unit: 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 have an older Phantom temperature gauge that I want to connect to a 5.0 Windsor Ford. I only have 3/8" ports available. My problem is that the Phantom gauge requires a 1/2" port. Is there an adapter that I can buy to make the sending unit work for me?

Asked by: Rob50
Part number # 2285 1/2 inch NPT
Answered by: Paul G.
Date published: 2024-03-05

what is the ohm rating of this gauge?

Asked by: rmark
This gauge uses an Autometer 2258 sending unit. The resistance curve for the sending unit this gauge uses can be found at the top of the page at
Answered by: Alex at AutoMeter
Date published: 2023-03-06

my temp gauge is off by 30 degs. is there an adjustment

Asked by: chuck perino
There isn't an adjustment you could do. The best thing would be to troubleshoot what could possibly be causing this. For assistance please give our tech support a call at 866-248-6356.
Answered by: Steve from AutoMeter
Date published: 2022-07-06

do these gauges still have a light bulb socket on the back? I have a set and the light seems to be contained inside, not accessible. What will I be getting if I buy this gauge.

Asked by: Bobby 1514
Yes, this model features an accessible and replaceable bulb and socket. The specific bulb and socket included is model 3220.
Answered by: Sarah from AutoMeter
Date published: 2022-01-05

Will the output wire from my Sniper EFI run this gauge (5737) properly. 

Asked by: Plumcrazy
Thank you for your question. No, as the sender is specific to that unit and only works off a certain ohm range.
Answered by: Natalia from AutoMeter
Date published: 2021-03-17

Greetings! How accurate are your electric gauges? Thank you!

Asked by: Phil G.
Hello! Our short sweep gauges have a tolerance of up to +/- (plus or minus) 5%. There are many additional factors like the thickness of the pointer and overall scaling and resolution of the gauge. Our Full Sweep Electric (Digital Stepper Motor) are more accurate and usually within about 2%.
Answered by: Natalia from AutoMeter
Date published: 2020-11-24

I have an older set of Phantom gauges and need to replace 1 water temp gauge (5737). Can you get me the dimensions to be sure this will fit in my dash.

Asked by: Victorio
Victorio, Thank you for your question. This gauge uses the exact same hole size as 5737 which is 2-1/16". The diameter of the gauge is 2-1/4", depth is 1-1/2" to the back of the gauge, and 2-5/8" to the mounting studs.
Answered by: Steve from AutoMeter
Date published: 2019-10-22

Have this water temp gauge but no sending unit for it is a short sweep phantom water temp gauge could you please send me the part number for the correct sending unit? Thank you for your time and help

Asked by: 04mach1
Thank you for contacting us. The 5737 Phantom Water Temperature will use the 2258 sender, seen here:
Answered by: Matt from AutoMeter
Date published: 2018-07-17
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