Power steering gear box leaks (pictures)

Hi. I’ve been slowly repairing leaks on my Dart.

I used the paper towel trick and wrapped all hoses to see where my leak is coming from. All was dry but I found a major leak and took some pictures of the location. It seems the leak is from the upper portion of power steering box where the steering shaft connects.

Would someone be able to tell me the automotive technical term for this so I can begin planning my repairs. It is leaking really bad. Pretty much squirting out. From my research it seems like a major repair.

Thank you.

View attachment 1715684080

View attachment 1715684081

View attachment 1715684082

View attachment 1715684083

I use this method also.
Drill a small hole for a sheetrock screw. (I think a 1/8" drill bit will work). Insert screw (I used a sheetrock screw) and it should come right out. Use a deep well socket to tap the new one in. 20190403_134229-jpg-jpg.jpg 20190403_135651-jpg-jpg.jpg

1972 PLYMOUTH SCAMP 5.2L 318cid V8 Steering Gear Worm Shaft Seal | RockAuto

Your seal will be a different size than mine if it's older I believe.