From all my years of working around engines the one thing that absolutely drives me crazy is barbed hose fittings. This even got worse in recent years as many SVO WVO kit makers would send our their components with barbed hose fittings!
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Fits 116, 123 and 126 chassis diesel 1977 to 1985 only. We have been sourcing these copper washers from Mercedes Benz and also including o-rings for a long time with our fuel filter kits, due to the fact that they do not come with the fuel filters.
Applies to all Mercedes: Pre 1960, 190SL, 110, 111, 112, 113, 114, 115, 108, 109, 107, 116, 123, 126, 201 and 124 chassis. If you ever need to replace a fuel tank, fuel pump, fuel filter, or fuel hose and don't want the fuel running down your arm here is the tool and will save the day!