As found on service sheet 450 for R3709/X R3711/X R3713/X.
Hornby X9160 Genuine Spares Brake Rod & Small Loco Screws Parts For Class 8F NEW
Hornby X9097 Genuine Spares Pullman Coach Cam Plate Springs T18A Pack of 2 NEW
Hornby X7487 Genuine Spares Wheel & Axle Set For Princess Coronation Class R3715