can be had at Menard's or other of that ilk - just two rubber hoses with a rubber bulb in the middle. Squeeze the bulb until it fills and let 'er rip. I use it to take off coolant that needs have adjustment to dilution. Should be 5-8$.

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1992 Black 500e
1991 Black 300te 4m
1992 Black Renntech 620sl
1979 Porsche 911sc targa