Rotor | MMD Powerline 54161 Powerline 54161 Rotor Westerbeke Rotor Replaces Westerbeke 43050 Aftermarket replacement for Westerbeke 4.5 BCGB, 4.5 BCGTC, 5.0 BCG, 5.0 BCGA, 7.0BCGB, 7.0 BCGC, 7.2 BCGTC, 8.0 BEG, 9.6 BCGTC, 10.0 BEG, 12.5 BEG, 15.0 BEG, 8.0 SBEG, 10.0 SBEG, 12.5 SBEG and 14.0 SBEG model marine gasoline generators Also replaces Generac part number 0A45310264