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Part number help?

Posted: Wed Sep 13, 2023 1:56 pm
by K2edg
Hi all.

I have a 1999 Vw passat b5 tdi (AFN) that has a coolant leak coming from the pump area.

So after doing all the easy stuff (new Coolant pump, pump o-ring, plastic flange o-ring on the back of the housing), i haven't fixed it which has me thinking it's the o-ring between the pump housing and the engine block.

This brings me to my next problem, with the pictures below and all the details of the car i have a trip down to my local VW main dealer who tells me my car doesn't have an o-ring between the coolant housing and the block as per my pictures :roll: and i'm a little worried that the second i take the housing off the o-ring will fall apart leaving me car less.
AFN O-Ring1.jpg
AFN O-ring2.jpg
So i'm hoping someone on here might have access to either the parts diagram for the part number or the dimensions of the o-ring so i can buy the appropriate o-ring. I have done some searching but upto now has failed.

Can anyone help, please?