Hi, is there anyone here who knowa what model of gaffrig gauge this is and where I could find new ones? I just want to buy one more oil pressure and water temp gauge. Thanks

http://imgur.com/a/QZNU7

http://imgur.com/a/gDUCx

http://imgur.com/a/rN4EG

That is a Gaffrig guage made by Livorsi.
There was a lawsuit over the trademarked name "Gaffrig" and Livorsi lost the right to use the name Gaffrig
You can get new one just like it but labeled as Livorsi http://www.livorsi.com/catalog/gauge_styles.htm

or keep an eye on ebay

Thank you very much for the help!

Have you tried Monster Marine's online store? They have all things Gaffrig, you might be able to find something close if you are looking for a replacement .