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Old 11-07-2022, 06:22 AM
glmoore0001 glmoore0001 is offline
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Join Date: Sep 2021
Location: Rockford IL
Posts: 63
Fuel Return Valve

Quote:
Originally Posted by rumb View Post
Are you talking about the brass valve on the front carb? You can buy them new now and I have seen just the diaphragm part for sale. Sorry dont remember where, but search for "zenith inat parts"
Yes, I have found the complete valve at Niemoller, but it is listed as a W108 part. Now I am pretty sure it is the same part as on my M130 engine, but emailed to confirm. It appears they are manufacturing them or having them private labled:
https://www.niemoeller.de/en/w111/w111-mercedes-benz-220sb/B012/070109/d07018-fuel-return-valve

I just purchased the diaphragm/needle from here, $51 USD shipped. Would rather have a complete valve and will buy one if found and keep the spare part as a spare part.
https://classiccarbs.co.uk/product/flash-sale-zenith-inat-carburettor-fuel-return-needle-valve

I have found the complete valve in Australian, aftermarket also, $100 USD + ship.
https://www.mcstarparts.com/product-page/m108-m114-m121-m130-m180-carburettor-nozzle

I have made many searches and I am surprised I have seen zero vendors for the part in the US.
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