Doc 50 - Parts and parameters been replaced and or changed during Parc Fermé

Document 50 - Technical Delegate's Report: Parts and Parameters Replaced/Changed During Parc Fermé

This report details the parts and parameters that were replaced or changed during Parc Fermé yesterday and today, with the approval of the FIA technical delegate, as per Article 40.3 of the 2025 Formula One Sporting Regulations.

Replaced/Changed Components by Team:

• McLaren Mercedes (Car 04):

  • Steering wheel
  • Gearbox oil filter housing, associated O-ring, and circlip

• Mercedes (Car 63):

  • Exhaust tailpipe, mounting sleeve, and bracket

• Aston Martin Aramco Mercedes (Car 18):

  • Steering column bearing housing
  • RHS front wheel retention device

• Racing Bulls Honda RBPT (Car 06):

  • Front wing/nose assembly
  • LHS and RHS front outboard suspension assemblies
  • LHS and RHS front inboard suspension assemblies
  • LHS and RHS front brake calipers
  • PAS rack
  • Steering column
  • Steering wheel
  • BBW unit
  • Floor assembly (excluding skids and plank)
  • Rear wing assembly
  • Gearbox assembly (including gearbox control hydraulics)
  • LHS and RHS rear outboard suspension assemblies
  • LHS and RHS rear inboard suspension assemblies
  • LHS and RHS rear brake calipers
  • Front and rear axle brake friction material
  • RHS sidepod bodywork panels
  • RHS radiator sealing panels
  • RHS mirror assembly
  • Parameter changes associated with the damaged parts replacement

• Kick Sauber Ferrari (Car 27):

  • LHS front brake duct deflector

Note: All replacements were approved by the FIA technical delegate following a written request from the respective teams, in compliance with Article 40.3 of the 2025 Formula One Sporting Regulations.

Report by: Jo Bauer, The FIA Formula One Technical Delegate