Yes, a new housing is in order. There are professional services to cut off and weld on new spindles (if they have your size available) but I suspect a new housing will be cheaper, these axles often being free for the taking.

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-