The older version had an o-ring and a copper washer. The later version had 2 o-rings, which were different sizes. I don't know what year it was changed. Rumor has it that there may have been a 3rd version.

Edit: One of my old posts has the part numbers. You should be able to find it using the search function.

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Palangi

2004 C240 Wagon 203.261 Baby Benz
2008 ML320 CDI Highway Cruiser
2006 Toyota Prius, Saving the Planet @ 48 mpg
2000 F-150, Destroying the Planet @ 20 mpg



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