404 Gearbox. 2004 NT404 Forum › Forums › Help Me Find A Part › 404 Gearbox. 2004 NT404 This topic has 1 reply, 2 voices, and was last updated 4 years, 10 months ago by DavidPrivett. Viewing 0 reply threads Author Posts August 22, 2020 at 8:30 am #49452 DavidPrivettParticipant Offline If you have to is there a good welding shop that can if need be put it the housing back together, cast is tough to get it welded right. Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In