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Old 10-25-2011, 06:12 PM   #1
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Where is the Engine casting # on a Jeep

Hello,
URGENT help needed please!? Where is the engine casting number located on a Mopar block? The Jeep is a 1991 but we have just figured out that the engine had been swapped before we purchased it. Now we have no Idea of what year the engine is! I was advised by another forum the following:

"Take a look at your block on the passenger side right near the distributor. There should be a tag welded on with a 6 digit casting 'code'".

I went over the whole block and found these numbers on the block right near the Distributor as as suggested. The only number in that area of the block is: 107MX03 this is seven digits!! I am starting to think that it's not even a jeep engine?

Please advise!

Respectfully,

goomba91

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Old 10-25-2011, 09:50 PM   #2
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I have a 94 wrangler with a 2.5L in it. I found my casting number on the passanger side below the distrubtor towards the fire wall. Mine was stamped into the block and it's an 8 digit number. There was also a number right above it that had letters in it and it was also an 8 digit number which should be the serial number I believe. Let me know if you find any other numbers and I will see if I can help any. Hope this helps.

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Old 10-28-2011, 01:34 PM   #3
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Did you ever find the casting numbers?
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Old 10-29-2011, 10:55 AM   #4
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Found Them

Unfortunately I found out that my engine is from a 91-95 Cherokee Thanks for all your help and concern
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Old 10-29-2011, 04:39 PM   #5
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Does anybody know?/FYI

I called Crysler/Dodge corporate and the closest they could get me to the year was 91-95. I know that the engine's parts for the most part will enterchange 91-95. But I am finding out part by part. Allthough I will tell you all that the Distributor does not always interchange. I purchased one for a 1991 and low and behold it would not even try to fit. I had to buy one from a different manufactuer and run a micrometer over it and compare to the original Dist. to get the right size.

1. Lesson learned: When purchasing a used vehicle in the future match the cast number to the VIN!

Question 1. Can anybody get me closer running down the year? The cast number is: 53008405.
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Old 05-05-2013, 08:40 PM   #6
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Quote:
Originally Posted by goomba91 View Post
I called Crysler/Dodge corporate and the closest they could get me to the year was 91-95. I know that the engine's parts for the most part will enterchange 91-95. But I am finding out part by part. Allthough I will tell you all that the Distributor does not always interchange. I purchased one for a 1991 and low and behold it would not even try to fit. I had to buy one from a different manufactuer and run a micrometer over it and compare to the original Dist. to get the right size.

1. Lesson learned: When purchasing a used vehicle in the future match the cast number to the VIN!

Question 1. Can anybody get me closer running down the year? The cast number is: 53008405.
did you ever figure this out what year your engine is?

__________________
'92 YJ, 2.5L, SYE Kit, 33" Tires, 4" Lift, 4:10 gears, D30 locked and D35 open.
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