something like this: https://www.navstore.com/noland-engineering-rs11-v4-nmea-2000-canbus-engine-data-converter-version-4.html?gclid=CjwKCAiAtK79BRAIEiwA4OskBsnLagkzM3rX2gOsdOY5uwvggW23Zsnye9bSt4buQghNYR95pF2wUBoCw58QAvD_BwE
however lets step back, what is the reason you want to jump to NMEA...