Doc 58 - Parts and Parameters been replaced and or changed during Parc Ferme

Technical/Scrutineering

Technical Delegate's Report

Date: 06 September 2026
Time: 13:50

The following parts and parameters have been replaced / changed during the Parc Fermé yesterday and today with the approval of the FIA technical delegate, in accordance with Article B3.5.4 of the 2026 Formula One Sporting Regulations.

Replaced Parts by Team

TeamCarReplaced Parts / Parameters
McLaren MercedesCar 01- Front brake friction material<br>- Parameter changes associated with the brake friction material replacement
MercedesCar 63- Front wing actuator acquisition unit
Atlassian Williams MercedesCar 55- Forward floor plank section
Racing Bulls RB FordCar 22- LHS fuel lift pump<br>- Fuel cell wiring loom<br>- Fuel line within the fuel cell<br>- Chassis ballast bush<br>- Rear wing assembly, previous specification (Article B3.5.5)<br>- Internal fuel overflow hose
Aston Martin Aramco HondaCar 18- Chassis chin assembly and associated linkage
Haas FerrariCar 31- RHS driveshaft fairing support
Car 87- RHS driveshaft fairing support
Alpine MercedesCar 43- LHS fuel lift pump<br>- LHS rear brake drum shroud
Cadillac FerrariCar 11- RHS floor board cap

Jo Bauer
The FIA Formula 1 Technical Delegate