np-203
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C
In need of a th400 to np203 adapter!!!
I recently broke the rear housing of my th400 along with the adapter to the np203. (I believe is the factory drivetrain. 1976 k20 4x4 big block.) I had a good th400 case laying around Ive swapped everything over to. The issue is trying to find the adapter. The casting number is 376129. I have...- crewcabk20
- Thread
- adapter k20 np-203 th400
- Replies: 5
- Forum: Transmission & Transfer Case
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I
Transfer Case NP-203 issues
Hey guys, 79 k10, Having issues with t. case where after 15-20 min of driving at 55 mph+ it pumps gear oil out of the breather tube. I just got this in and it already had the full time 4X - conversion done where it's not full time now and i put locking hubs in. I put an elbow off the fill hole...- Is that Normal
- Thread
- k10 np-203 square body transfer case
- Replies: 17
- Forum: Introduction
