As found on service sheet 469 for R30106 & R30107.
Hornby X50032 VEP Coupling Assembly Type 2 With Wires
Hornby X50037 Front Bogie Frame For DTCL VEP Class 423 R30106 R30107
Hornby Genuine Spares X6324 Coach Carriage Wheel & Axle Set For 4 VEP Class 423
