Product 2640 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.
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
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No rating value for 2-1/16" TRANSMISSION TEMPERATURE, 100-250 °F, AIR-CORE, Z-SERIES
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Bill70
· 6 months ago
Can I install a transmission temp sender in the main pressure port on a 2002 Allison 3000 transmission?
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Paul G. · 6 months ago
For assistance on this, please give our Tech support a call at 866-248-6357
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Big B
· 7 months ago
I installed new Auto Meter gauge and sending unit in Allison 3000 transmission. The gauge bounces at idle as soon as I accelerate it pins gauge. Checked all wires and ground good.
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Paul G. · 7 months ago
For assistance on this Please give our technical support a call 866-248-6353
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Captain Mark
· a year ago
Velvet drive Marine Transmission has two possible sensor mount locations. Pressures 140 PSIG or 40 PSIG. What is max safe working pressure of temp transmitter 2258. Hi pressure port preferred.
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Jim from AutoMeter · a year ago
140 PSI will not damage this temp sensor.
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DannyBBC
· 2 years ago
Will this gauge work with a T56 magnum manual transmission, can you put the temp sensor were the drain plug goes
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Steve from AutoMeter · 2 years ago
Hello,
You can put the temp sensor into the drain plug port however an adapter would be needed in order to achieve this.
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Jeep Lj
· 3 years ago
I want to put my temperature sender in the transmission pan of my Jeep LJ. It has a 14 x 1.5 thread size. Do you make a sender that would directly bolt into the pan. I have an adapter but after I add the sender it hits my transmission skid.
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Matt from AutoMeter · 3 years ago
We do not have a sender that is 14MM x 1.5. Our 2259 sender is a shorter sender that is compatible with this gauge and it will work in our 2267 adapter. We couldn't say for sure if that would solve your clearance problem, though.
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MikeyA
· 3 years ago
What are the power requirements for both the incandescent bulb and gauge operation? What bulb type is used in the 2640 gauge?
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Matt from AutoMeter · 3 years ago
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.
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coach36
· 3 years ago
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?
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Sarah from AutoMeter · 3 years ago
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.
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Jeep Lj
· 3 years ago
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?
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Sarah from AutoMeter · 3 years ago
Yes, the 2259 is compatible and an option when coming across a clearance issue.
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Al Ford E350
· 3 years ago
Exactly how deep does the cavity have to be for dash panel mount? It will be tight.
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Sarah from AutoMeter · 3 years ago
Thank you for your question. You would need a 4" of clearance to be safe.
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Drewdrew
· 4 years ago
Does this temperature gauge work on a manual transmission
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Natalia from AutoMeter · 4 years ago
Thank you for your question. Yes, it does.
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