Marathon MagnaMAX rectifier assembly part number B-525528F is a kit installed in the generator exciter rotor. This rectifier is very sensitive as it deals with positive and negative polarities. When a diode is shorted, it is recommended to replace all diodes even if the other diodes tests OK.
3x B-525570-2 forward
3x B-525571-2 reverse
1x B-526482-1 Surge Suppressor
1x Rectifier plate
- The kit can be used on Marathon Magna plus 430-570 frames (Pending Marathon alternator serial number verification, if in doubt please consult with us before ordering).