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  #1  
Old 06-26-2021, 06:47 PM
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O-ring dimension for injection.

My injection pump for diesel engine OM603.963 in W124.
Bosch > PES 6M 55C 320 RS 157
I need to change all O-ring in the pump.
But my country the repair too expensive.
So,I would liked to know the O-ring dimension to compare to buy in other hand.
Instead of by O-ring of the VITON Band.
Thanks.

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  #2  
Old 06-26-2021, 06:48 PM
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How to Attached Thumbnails.
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  #3  
Old 07-04-2021, 04:45 PM
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Location: Long Beach,CA
Posts: 51,213
It looks like the O-rings on a wide range of M type fuel injection Pumps on various engines are the same size. See pic for the engines.
606 O-ring size
OM606 delivery valve o ring size?
My 1995 E300D used MB # 0179974148. It is 15mm ID X 19mm OD thickness from the pic in the thread is about 2.5mm.I used buna rings when I replaced mine, they have been fine for 8 years / 75K mile
https://injectionpumps.co.uk/product/mercedes-delivery-valve-o-rings/
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O-ring dimension for injection.-delivery-valve-o-rings.jpg  
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Last edited by Diesel911; 07-04-2021 at 04:57 PM.
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  #4  
Old 07-05-2021, 06:02 PM
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Quote:
Originally Posted by bkg322 View Post
My injection pump for diesel engine OM603.963 in W124.
Bosch > PES 6M 55C 320 RS 157
I need to change all O-ring in the pump.
But my country the repair too expensive.
So,I would liked to know the O-ring dimension to compare to buy in other hand.
Instead of by O-ring of the VITON Band.
Thanks.

Which exact o-ring do you need? I have the Bosch EPC and can look up exact part numbers for all of them, as there are a lot.
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  #5  
Old 07-05-2021, 07:19 PM
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Location: Long Beach,CA
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Quote:
Originally Posted by nastala View Post
Which exact o-ring do you need? I have the Bosch EPC and can look up exact part numbers for all of them, as there are a lot.
I don't think the OP is going to come back and take a look. How about posting the site with the info.

Some peoplep want to use Viton as was sold by the out of business places like greasecar. Hence the need for the dimensions.
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  #6  
Old 07-05-2021, 09:57 PM
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Quote:
Originally Posted by Diesel911 View Post
I don't think the OP is going to come back and take a look. How about posting the site with the info.

Some peoplep want to use Viton as was sold by the out of business places like greasecar. Hence the need for the dimensions.

It's not a site, it's software installed in a virtual machine. If anyone wants it, I can dm it to them.

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