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Instrument Panel Temperature Gauge (6 or 12 volt)
Fits 46-66 CJ-2A, 3A, 3B, M38, M38A1

Part # 647886

New Instrument Panel Tempature Gauge

Highest quality reproduction available. Works for either 6 or 12 volt systems and mounts just like original. Comes complete with black face and white needle as well as all mounting hardware. Built in sending unit with cable included!!

Fits:
46-49 CJ-2A
49-53 CJ-3A
53-64 CJ-3B
50-52 M38 (12 volt)
52-66 M38A1 (12 volt)

Part # Price
647886

$32.99

MSRP:

$32.99

MSRP:

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How long is the capillary line going to the sensor?

Willys Jeep Parts Tech:
39 in

Do you have a water temperature gauge that is 6 volt positive ground that is wired and not mechanical?

Willys Jeep Parts Tech:
No, everything on a Willys will be negative ground.

Does this temp gauge have the slots behind the face to let the red dash light show through?

Willys Jeep Parts Tech:
No, the civilian gauges were illuminated via the dash light above the cluster of gauges.

I have a Dauntless V-6. What sending unit do you recommend using with temperature gauge?

Willys Jeep Parts Tech:
I may have a source for. Please email mike@kaiserwillys.com

Will this work on a 24V 1952 M38? Appears this gauge is all mechanical and not electrical.

Willys Jeep Parts Tech:
Yes as long as you have A3557 adapter.

My 1953 M38A1 has a capillary tube temperature sending unit/gauge and a 24V electrical system. Will this gauge with my Jeep?

Willys Jeep Parts Tech:
This is a complete unit so it should work for you too.

I Have a 49 cj3a. And purchased this item. The whole in the head is bigger then the fitting on the gauge. Did I buy the wrong one??

Willys Jeep Parts Tech:
A3557 is the original fitting in the head you are missing.

Is this gauge lighted. If not do have one that is. THANKS

Willys Jeep Parts Tech:
These gauges not lighted. Give me a call toll free and we can go over what vehicle you have and what we can set you up with. Thanks 888.648.4923

Can I buy the sensor and wire without the gauge?My gauge works fine, I just messed up the wire when I was pulling the motor.

Willys Jeep Parts Tech:
Sorry, these are only sold as a unit and are one piece already attached.

I will be changing the water temp gauge in my 49 CJ3A. I assume there is no need to be gentle removing the probe from the block. Would a pipe wrench be good for that?

Willys Jeep Parts Tech:
Just make sure the fitting doesnt break and use the proper size wrench.

Not sure how to remove pressure gage. It looks like there is an outer face ring that holds it in place? Or does the bracket on the back side only hold it in place?

Willys Jeep Parts Tech:
There is just a bracket from the backside. It slides out then from the front.

Does the probe mount in the top of the head on the drivers side? What adapters wound I need to install it? I believe the hole in the head is 1/2" NP.

Willys Jeep Parts Tech:
It mounds to the rear passenger side of the head. They take the original adapter part: A3557

I have. M38a1 with a emergency brake drum that is 7/2 inches in diameter..Will this backing plate assembly work with my drum..Thanks

Willys Jeep Parts Tech:
This wont work for the M38A1. See this link: https://www.kaiserwillys.com/diagram/m38a1-diagrams/brake-diagrams-willys-m38a1/emergency-brake-exploded-view-52-71-m38a1/emergency-brake-m38a1 We have a diagram of your set up.

How long is the sending unit cable?

Willys Jeep Parts Tech:
39 INCHES

I have a m38a1 with a donor f head and a regular auto parts store mechanical temp gauge won't fit ,the probe is to big but will fit my cj 5 f head . Will this fit my m38a1 with the mystery f head?

Willys Jeep Parts Tech:
It should as long as you are using part number: A3557 adapter.

I have a 24 volt 51 m 38 was wondering if item no 647886 would work on it. I was thinking that the only thing that would not work would be the bulb?

Willys Jeep Parts Tech:
Yes, that would work on your M38. Just wire in for 12 volt.

I just bought this engine kit for a 1942 G P W Is there any warranty on this kit ?

Willys Jeep Parts Tech:
Yes, we warranty all of our parts. Please call us toll free if you have any issues. Please see the warranty information page on our site.

while installing new temp gauge on my 48 CJ2a, it appears that I somehow broke the sending unit on the head and it doesn't work now. The gauge is new and will probably work fine if I can install a new cable and sending unit. Do you sell these seperately? Maybe it would be cheaper just to buy the whole assembly and start over. What do you recommend.

Willys Jeep Parts Tech:
If it broke the unit will need to be replaced. Please call us toll free and we can help.

What is the operating temperature suppose to be on my 64 cj3b jeep willys?

Willys Jeep Parts Tech:
You should typically be running between 180-200 degrees is where my Willys runs at.

#647886 Does this item come with the nut to fasten sending unit to the head? I did not see it in the photo.

Willys Jeep Parts Tech:
Yes it has the threaded nut and make sure you have part number: A3557 on your head as well.

Will it work on a 49 Kaiser 6 volt

Willys Tech:
Sorry I don't believe this would work on the Kaiser passenger car.

I recently bought this temp gauge for my cj2a but it doesn't fit where the old one was. The probe I removed was a little bigger and the new one threads in loose and doesn't tighten up around the probe. I believe I need a mounting nut with this gauge but haven't found one on your site.

Willys Tech:
A3557 should be the part you need.

CAN THE CABLE BE SHORTENED ?

Willys Tech:
I don't believe they can.

CAN THE CABLE BE SHORTENED ?

Willys Tech:
I don't believe they can.

Will this screw into my F head block like the original? I currently have an original type temp switch in the block but there is no way to attach it to a gauge.

Willys Tech:
Yes this is for the CJ-3B as well.

converted my jeep from 6v to 12v. I would like to change temp.gauge to 12v elect. I would like for the gauge to look the same as my old gauge

Willys Tech:
This gauge works on both 6 volt or 12 volt so you are all set. This is what you need.

converted my jeep from 6v to 12v. I would like to change temp.gauge to 12v elect. I would like for the gauge to look the same as my old gauge

Willys Tech:
This gauge works on both 6 volt or 12 volt so you are all set. This is what you need.

I have a 1948 CJ 2a..could I send the gauges to you to be reconditioned?

Willys Tech:
We dont really do that kind of work. We have new gauges for much less.

I have a 1948 CJ 2a..could I send the gauges to you to be reconditioned?

Willys Tech:
We dont really do that kind of work. We have new gauges for much less.

If I buy this item (#647886), should I also buy item #914847 to have the complete temperature kit?

Willys Tech:
This gauge is a complete unit. It has the probe built in.

If I buy this item (#647886), should I also buy item #914847 to have the complete temperature kit?

Willys Tech:
This gauge is a complete unit. It has the probe built in.

if I live in Colombia as it does to buy any article of you

Willys Tech:
We ship daily UPS and USPS international.
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