While it is possible this may be used on that model, it does appear that the cable is different so we are unable to confirm compatibility of this cable with that model. We do carry the confirmed-compatible left side brake lever with wires for that model, it is item Y23-3087 and can be found here:
https://www.monsterscooterparts.com/brands/razor/models/dirt-quad/brake-lever-assembly-with-wires-for-the-razor-mx350-mx400-and-dirt-quad.html