Need to replace the rear axle vent (ventilator) on my '46 1/2 ton pickup. '29-58 parts catalog says part number is 3738462 (drive type). However, mine is a 3/8"-24(?)(actually looks more like 27) threaded vent. I believe I have found them in plastic (for later model cars/trucks). Does anyone have a chevy part number for this threaded type and have you been able to source a steel replacement part? Would anyone have a usable one laying around? The top of of mine is crushed to the point of not even being able to attempt to remove it for inspection/repair/reuse.
"it's only old if you can't find a use for it; otherwise it's cool and i'll use it."
The cap is crimped on loosely as long as you can blow some air through it should be okay .Newer vehicles have a hose that goes up and loops higher on the frame with a one way valve so if you go through deep water or back a boat in at the launch it doesn’t let water in .
+1 on the hose bib and vent hose. I've seen several rear ends ruined by water getting into that type of vent. Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt! There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway Love your enemies and drive 'em nuts!
That's 1/8 NPT which is roughly 3/8" OD and 27 tpi. That type is fine if you don't submerge the axle, but if you plan on doing that, then running it up to the frame is a good idea. You can stick the capped fitting on the end of the hose to keep the mud daubers out.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
