Can someone tell me what's wrong here and what I need to look for part wise please and thank you! Still learning stuff about my X. BTW 03 Nissan Xterra 3.3l v6 4x4 non supercharged

Helo everyone, I have seen an xterra from 2001,(66.000M) did an small inspection from outside everything looks well, but under there are a couple thinks. First of all i live on Bonaire were is a lot of salt in the air. so i want to clean a lot. the crackshaft seal needs to replace stabilizer...

Here is a picture history of the Job. Should have taken more pics. I Did it back in May of '06 and put 25k on it before trading it in for my '08 OR. These are the parts and prices at the time of the job. Parts: Timing Belt Kit from xterraparts.com ($262) Includes: Timing Belt 2 camshaft seals...