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2640

2-1/16" TRANSMISSION TEMPERATURE, 100-250 °F, AIR-CORE, Z-SERIES

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Description:

Transmission fluid temperature is the single biggest contributing factor to the lifespan of your automatic transmission. Having an accurate, realtime measurement allows you to know when to downshift or when to take your foot out of it. Whether you’re towing or simply trying to harness the power of a built or boosted motor, AutoMeter’s Trans Temp Gauge will give you the most accurate possible measurement for the exact temp of your trans fluid. A single wire 1/8” NPT temperature sender included to be installed in your transmission, transmission pan or with an optional transmission cooler line manifold is available for easy installation into a transmission cooler hard line.

Quick Specs

  • Size:2-1/16" (52.4mm)
  • Type:Air-Core
  • Range:100-250 °F
  • Lighting:Incandescent
  • Instructions: Download PDF
Transmission fluid temperature is the single biggest contributing factor to the lifespan of your automatic transmission. Having an accurate, realtime measurement allows you to know when to downshift or when to take your foot out of it. Whether you’re towing or simply trying to harness the power of a built or boosted motor, AutoMeter’s Trans Temp Gauge will give you the most accurate possible measurement for the exact temp of your trans fluid. A single wire 1/8” NPT temperature sender included to be installed in your transmission, transmission pan or with an optional transmission cooler line manifold is available for easy installation into a transmission cooler hard line.
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
  • 2258
  • 3/8" NPT and 1/2" NPT adapter fittings
  • 2230
California Residents: Prop 65 WARNING prop65 Cancer, Birth Defects and Reproductive Harm www.P65Warnings.ca.gov

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QUESTIONS:

What are the power requirements for both the incandescent bulb and gauge operation? What bulb type is used in the 2640 gauge?

Asked by: MikeyA
12V and the amp draw is extremely minimal on the gauge alone. The light we include is a 12V light and the bulb is a #161. Officially rated as 14V light at 2.66 watts.
Answered by: Matt from AutoMeter
Date published: 2022-01-16

Hi, i want to install this gauge to a project car. There is no transmission oil cooler on that MT-82 transmission. Is there a plug where the sending unit goes into, and if yes which one?

Asked by: coach36
We’re not familiar with this transmission in particular. If you have a port, if you’re able to tell us what size thread that port is, we may be able to offer more advice. If you could provide that information via email at service@autometer.com, we will have someone reach out in reply.
Answered by: Sarah from AutoMeter
Date published: 2021-12-28

I have the AUTO METER 2640 Z-Series Electric Transmission Temperature Gauge and need a shorter sending unit. Will the AUTO METER 2259 Electric Temperature Sender work with this gauge?

Asked by: Jeep Lj
Yes, the 2259 is compatible and an option when coming across a clearance issue.
Answered by: Sarah from AutoMeter
Date published: 2021-12-23

Exactly how deep does the cavity have to be for dash panel mount? It will be tight.

Asked by: Al Ford E350
Thank you for your question. You would need a 4" of clearance to be safe.
Answered by: Sarah from AutoMeter
Date published: 2021-07-27

Does this temperature gauge work on a manual transmission

Asked by: Drewdrew
Thank you for your question. Yes, it does.
Answered by: Natalia from AutoMeter
Date published: 2021-03-15

What bracket is needed for under the dash mount with trans temp gauge #2640

Asked by: jeta
You can use P/N: 2236.
Answered by: Steve from AutoMeter
Date published: 2020-05-20

Hi-I am looking for the part number for the sender that goes with this gauge.I have the gauge but need the sender.Thanks

Asked by: Billyblackxz
Thank you for your question. You will need P/N: 2258.
Answered by: Steve from AutoMeter
Date published: 2020-03-16

Hello my auto meter transmission temperature guage keeps blinking fast can you tell me why?

Asked by: Denny
Thank you for your question. We will need some further details so we can go through some in depth troubleshooting for you. Please contact our support team at 866.248.6357 or https://www.autometer.com/contacts and they will be happy to assist you with this.
Answered by: Zach from AutoMeter
Date published: 2019-11-20
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