by Kent Bergsma
Kent explains the reason your older Mercedes diesel engine will not stop running when you turn the key off. This applies to most Mercedes diesels from 1975 to 1995 including the 240D 300D 300CD 300TD 300SD 190D 300SDL 350SD 350SDL and S350.
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$84.50
W123 W116 W126 Diesel Engine Vacuum Fuel Shutoff Valve w/ Extras
2 gaskets included. Now with replacement hose and underdash switch. A VERY important part to make sure your engine quits when you turn off the key!!!