I have tried ordering my shut off valve from a Dealer and after market using vehicle vin number and keep getting the dog eared valve with one vacuum nipple. Can anyone help with the right part number and or supplier. It is the valve that has two vacuum nipples on top one of which has the hose that is shaped like a wiper blade and other hose is true round. Need to figure out haw to make image smaller to post picture

Please Ignore I was wrong that the one with two nipples is for trans- shut off is closer to block and metal can

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1991 350 SD
1998 ML 320
2006 ML 350
2003 F 250 6.0
1979 scout ll

Did you check here or ebay? I recall the shutoff "vacuum solenoid" for your engine is the one with the little button on the end (should specify), and is fairly inexpensive ($35). Earlier engines (to 85) have one with an "L" end and often cost >$150, though I list a few new ones for much less.