Doc 57 - Parts and parameters been replaced and or changed during Parc Fermé

This report details the parts and parameters that have been replaced or changed during Parc Fermé yesterday and today, with the approval of the FIA Technical Delegate, following written requests from the teams concerned, in accordance with Article 40.3 of the 2025 Formula One Sporting Regulations.

McLaren Mercedes:

• Car 81: Thread insert for ICE sump bracket

Ferrari:

• Car 16: LHS and RHS lateral headrest padding
• Car 44: ICE blow-by breather line

Mercedes:

• Car 63:
  • Centreline radiator
  • Centreline VIPR unit (variable mechanical restrictor)
  • RHS VIPR unit (variable mechanical restrictor)

Aston Martin Aramco Mercedes:

• Car 18:
  • LHS lower exhaust primary heatshield
  • ICE (previously used)
  • TC (previously used)
  • MGU-H (previously used)
  • MGU-K (previously used)
  • Hydraulic power pack
  • Parameter changes associated with the PU elements replacement

Alpine Renault:

• Car 10: RHS internal bodywork panel
• Car 43: Wastegate

Racing Bulls Honda RBPT:

• Car 06: LHS and RHS lateral headrest padding

Williams Mercedes:

• Car 23:
  • Clutch temperature sensor
  • PU sump rubber
• Car 55:
  • Input shaft main seal outer O-ring
  • Gearbox control manifold
  • Parameter changes associated with the gearbox control manifold replacement

Kick Sauber Ferrari:

• Car 27: LHS front brake duct blanking panel

Issued by Jo Bauer, The FIA Formula One Technical Delegate.