JoeA 3 #1 Posted August 5, 2019 1991 312/8 Engine numbers M12S 471527 19340084 The walbro float bowl seal is leaking been all over town looking for a flat cut oring anyone have a part number so I can order the f I need to will order a rebuild kit not sure which one. I can not see part number on carb and prefer not to remove it since it is running good other then the leak. Can anyone help with O ring part number or rebuild kit Share this post Link to post Share on other sites
pfrederi 18,810 #2 Posted August 5, 2019 Walbro fixed jet kit K1-WHG Share this post Link to post Share on other sites
buckrancher 2,695 #3 Posted August 5, 2019 the o-ring is the same as the one used on carter carbs on the old kohler k series Share this post Link to post Share on other sites
Achto 29,551 #4 Posted August 5, 2019 Here is one source for a kit, or use it to get the OEM part number. http://www.psep.biz/store/kohler_carburetor_parts.htm Share this post Link to post Share on other sites
JoeA 3 #5 Posted August 6, 2019 Thank you for the input Share this post Link to post Share on other sites
gwest_ca-(File Mod) 11,606 #6 Posted August 6, 2019 2-3/8" diameter? Here is a Stens replacement. Tecumseh also used it. Includes OEM part numbers. https://www.bantasaw.com/catalog/viewproduct.asp?i=144&p=1503 Garry Share this post Link to post Share on other sites