Subject says it all. ?Looking for a WUR to replace the one I have.
1978/9 M117.986 vac/vent ports. Known and properly tested to be good with no adjustment modifications please. (screw/nut setup)

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RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

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