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Old 11-20-2017, 07:53 AM   #1
mclok
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Question 1973 Travelall - help with engine ID 304cu or 345cu

Hi - I am new to the IH family, purchasing a '73 Travelall recently. Seems the O-ring for passenger side coolant pipe blew at the pump connection. I am trying to determine if the engine is the IH 304cu or the 345cu...for this issue, and parts in general.

One thread mentioned there was a measurement between the heads to help determine, but they couldn't recall where they found that measurement.

I tried VIN Wiz, but to no avail. Hoping for some help from the forum for a newbie.

Thanks - Kevin
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Old 11-20-2017, 08:03 AM   #2
1975IH200
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Default Re: 1973 Travelall - help with engine ID 304cu or 345cu

The same size o-ring fits either engine: 304 & 345, also the 392 and 266.

re: the VIN does not identify engine size, only if it a gas or diesel.

To identify the engine size, look on the right hand side of the block, just under the #2 exhaust port.

See photo.........look in the red circle. The engine serial number is also there.
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Old 11-20-2017, 11:51 AM   #3
mclok
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Thumbs up Re: 1973 Travelall - help with engine ID 304cu or 345cu

Brilliant - thank you!
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Old 11-20-2017, 06:08 PM   #4
1hc72
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Default Re: 1973 Travelall - help with engine ID 304cu or 345cu

i need the same o rings,can i get them from here?
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Old 11-20-2017, 08:10 PM   #5
1975IH200
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Default Re: 1973 Travelall - help with engine ID 304cu or 345cu

Quote:
Originally Posted by 1hc72 View Post
i need the same o rings,can i get them from here?
Yes. http://www.ihpartsamerica.com/store/SL356005R1.html
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coolant pipe, engine tech, travelall, water pump

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