Plastic Case Vent Breather Tube "Jiggle Cap"
Fits many transmissions including:
GM TH400, TH350, TH350C, TH250, TH250C from 1969-on
THM-250 (THM250)
THM-350 (THM350)
THM-400 (THM400)
THM-350C (THM350C)
THM-250C (THM250C)
Also fits some differentials with 3.8" vent hole
(1953-1979 Corvette, 1973-1978 Chevy/GMC Truck/Blazer and many others)
Dimensions: 1-1/4" overall length and 3/8" diameter
Industry Part ID: 8640496, 44490, 35910