I have put the 11 blade fan and fan clutch for a 606 turbo onto my '92 300D and it works great. I bought the fan clutch and fan blades from Pelican Parts. The Trucktec fan seems to be pretty good quality. No problems yet.

__________________
1998 E320 Wagon

1992 300D 2.5 TURBO

1991 560SEL M119.960

1986 300SDL TURBO

1992 500SL Parts Car

1991 420SEL Parts Car