MSRP on that part is $278 (genuine MB part, not aftermarket), available on I-net parts site for $190. While you're in there, you might want to take a look at the front timing cover for leaks. That's a good time to take care of that too.

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1988 California version 260E (W124)
Anthracite Grey/Palomino
Owned since new and still going strong and smooth
MBCA member

Past Mercedes-Benz:
1986 190E Baby Benz
1967 230 Inherited from mom when she downsized
1959 220S Introduced me to the joys of keepin' 'em goin'

There are only 10 kinds of people in the world--those who understand binary and those who don't