[Sisyphus58]

Need the intermediate shaft that goes between transaxle and carrier
2003 eclipse GT 3L engine with manual tranny

Part number is MR357370
google it and you will get results
call results by phone to verify availability
check junkyards in your area, then expand your search to junkyards willing to ship
This part is NOT really subject to wear...if the splines are not damaged, then it should be reliable.