Yes, this is something you can do your self, depending on which hose it could cost between $5-15. unless you have a local shop you prefer i recomend http://www.appliancepartspros.com/partsearch/
you will have to select what you need from the common parts tab.
i tried to find a source for malber specific hoses but other than the manufacturer there don't apear to be any.
Answers & Comments
Yes, this is something you can do your self, depending on which hose it could cost between $5-15. unless you have a local shop you prefer i recomend http://www.appliancepartspros.com/partsearch/
you will have to select what you need from the common parts tab.
i tried to find a source for malber specific hoses but other than the manufacturer there don't apear to be any.