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Quick Specs


Feature Points
  • Sensor Body Material - Brass
  • Thread size - 1/8 in. NPTF
  • Includes 3/8 in. NPT and 1/2 in. NPT adapter bushings.
California Residents: Prop 65 WARNING prop65 Cancer, Birth Defects and Reproductive Harm


Rated 5 out of 5 by from It works! Needed to replace my old sensor. Swapped it out and it works like it is suppose too. Its a pretty straight forward deal. Not much else to say. Highly recommended.
Date published: 2018-10-23
Rated 5 out of 5 by from Sensor Came guick just what I needed ,fit good but my temp does not register correctly, I have 192 degree termistat in but only will come to 150
Date published: 2018-06-01
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If using this sender for intake air temp measurement what gauges would it be compatible with?

Asked by: Kerley
This sending unit is designed to measure fluid temperature and would not give reliable readings for air temperature. Our air temperature gauge would be like part number 4358 which uses a 2256 air temperature sensor.
Answered by: Alex at AutoMeter
Date published: 2023-07-05

Does the sensor for Meter 3357 ground itself at a certain temp to control a fan switch? 

Asked by: Dbov
The gauge doesn't have a pro-control output so there is no way of triggering a switch.
Answered by: Steve from AutoMeter
Date published: 2023-07-13

I purchased a 66 Mustang with a 71 302 engine and the seller had installed AutoMeter gauges. The temp gauge ("ProComp Ultralite Metric") is Celcius. What sending unit do I need? Can these be purchased at local parts stores?

Asked by: DogDoc
The senders for our gauges are the same regardless if in degrees Farenheit or Celcius. Short sweep gauges use the 2258 and full sweep gauges use the 2252.
Answered by: Jim from AutoMeter
Date published: 2023-07-10

I have a 20 year old Autometer water temperature gauge and the temp sensor is a solid wire, you can't change the sensor only, I would need the wire as well. I don't see a replacement sensor for this type of gauge, Is there one available

Asked by: CansoDoug
The capillary tubes on mechanical temperature gauges are not sold separately. If the capillary tube is gone or damaged, the gauge is not repairable.
Answered by: Jim from AutoMeter
Date published: 2022-07-29

Im looking for the data of this 2258 sender to perform a completed ohms test, before remplace it.

Asked by: Emy`s Customs See the Sensor Spec link above.
Answered by: Jim from AutoMeter
Date published: 2022-07-26

I have a TPI Tech water temperature gauge that is reading too high. From what I have found the resistance should be 240-33. Do you make a sensor that would work with this gauge? Thank you!

Asked by: Falconman
We do not make a 240-33 ohm water temp sender.
Answered by: Jim from AutoMeter
Date published: 2022-04-25

Can you tell me ohms for this sensor at ambient temperature?  I’m trouble shooting since I have no readings. Let me know if I also need to check resistance at warm temperatures, too. Thx

Asked by: Srbob
Here is the link to the operational specs starting at 100 degrees. We don't have an ambient temp spec, but I'd expect 1300-1700 ohms. The most common issue with no reading on the gauge is because of a poor/insufficient ground for the sender. The threads of the sender must ground when installed. Excessive thread sealant, etc, can prevent that ground.
Answered by: Matt from AutoMeter
Date published: 2022-02-08

What are the dimensions of the temp sensor? My main concern is how far does it stick down past the mounting adapter. I am using the 16x1.5 male to 1/8 NPTF adapter.

Asked by: DogsLife
If you’re using our 2268 16MM adapter, our 2258 is fully compatible, but does not actually protrude out of the adapter. We’ve done extensive testing and this has no bearing on the accuracy of the reading.
Answered by: Sarah from AutoMeter
Date published: 2021-10-14
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