C32 AMG, C55 AMG (W203) 2001 - 2007

C55 rear differential cooling fin part number...

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Old 07-21-2010, 09:14 PM
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'19 AMG E53 Cpe, '23 EQS 580 SUV, '88 560SL, '35 Ford 5w coupe, '53 MGTD and others
Originally Posted by PC Valkyrie
According to the C55 MB press release, the differential cooling fins could cool the differential by up to 15 degrees celsius when pushing the car at continuous high speeds.

If you don't track your car regularly, it probably isn't necessary at all. And if you're doing it for cosmetics, it certainly won't be the most obvious thing for most people to notice.
There must be some value to it, as others have done similar things. Our old '89 Maserati Spyder with a Gleason LSD had a plastic scoop to funnel air from beneath the pumpkin to cooling fins on the end plate. Porsche on their 911 race cars in the '70s had a gear pump and cooler too, though it may have been for the transmission lubrication also.
Old 07-22-2010, 04:46 PM
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according to shops that recommend installing cooling fins is that they also help somewhat elongate the rubber parts around that area.
Old 10-27-2010, 03:32 PM
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Originally Posted by FrankW
according to shops that recommend installing cooling fins is that they also help somewhat elongate the rubber parts around that area.
Any pictures of this installed?
Old 10-27-2010, 06:12 PM
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Old 10-27-2010, 06:37 PM
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Originally Posted by FrankW

Looks good!! Make a difference??
Old 10-27-2010, 08:00 PM
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Originally Posted by Newzchspy
Looks good!! Make a difference??
it's said to lower the diff oil temp, but i haven't done any spirited driving since i put it on.
Old 09-29-2012, 10:36 AM
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Old post----- but wish to add to my clk w209. Is there still a source for the heat sink adapter plate. Or a pic of it. I can get this fabbed.

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