When I did my oil cooler job the kit I bought from FCP Euro had all the seals in the intake tract. Changing all these plus the dreaded oil cooler seals has made mine totally leak free for the last 3 months. Running much smoother with the swirl flap working again. Improved my mileage from low to mid 20s too. I'm in the mid 140k's, heading for the 250 k km award!

I highly recommend if you have an OM642, bite the bullet and just do this repair, you won't be disappointed.

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The OM 642/722.9 powered family
Still going strong
2014 ML350 Bluetec (wife's DD)
2013 E350 Bluetec (my DD)

both my kids cars went to junkyard in 2023
2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles)
2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles)

1998 E300DT sold to TimFreeh
1987 300TD sold to vstech