Thread: 07 GL320 CDI Massive Coolant Leak
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  #43  
Old 12-07-2022, 03:37 AM
Murkybenz Murkybenz is online now
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Join Date: Dec 2009
Location: Bedfordshire UK
Posts: 545
It’s just an o ring /rubber or possibly made of viton. My Jeep had the same.
Mercedes OM642 part number A0259973448
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