This is a NEW TOOL for installing rear crankshaft seals in IH engines models 312, 360, 361, 407, 414, 436 and 466.
Note this tool will not work on later Navistar truck engines with 5 1/2" crankshaft.
This tool fits 5" crankshaft seal diameter.
The seal is available here.
Please check out my store for other IH tools and parts. Email if you have any questions .