Compression fitting looks to be leaking a little.....anyone know about what the part costs and how labor intensive it may be???

 

take both lines off after you find a shop that makes/repairs AC and hydraulic hoses. Useally a auto parts store(not the chain ones) take off the lines and have the hoses and fitting replaced, its your cheapest solution. Do both cause the rubber is deteriorated and giving way, if ones doing it the other will soon follow