# 2025 SINGAPORE GRAND PRIX

## 03 - 05 October 2025

The FIA Formula One Technical Delegate From The FIA Formula One Technical Delegate To The Stewards Document 54

Date 05 October 2025 Time 18:55 Title Technical Delegate's Report Description Parts and parameters been replaced and or changed during Parc Fermé

**Enclosed 18 SIN GP 25 TDR9.pdf Jo Bauer**

## 2025 SINGAPORE GRAND PRIX

## 03 - 05 October 2025

From : The FIA Formula One Technical Delegate To : The Stewards Date : 05 October 2025

## TECHNICAL DELEGATE'S REPORT

The following parts and parameters have been replaced / changed during the Parc Fermé yesterday and today:

**Ferrari:**

Car 16: Front wing/nose assembly

Car 44: DCS loom connector

**Red Bull Racing Honda RBPT:**

Car 01: ICE cooling water pipe separator Driver cooling pump

**Mercedes:**

Car 63: LHS front forward deflector LHS and RHS front wheel retention device

**Aston Martin Aramco Mercedes:**

Car 18: LHS front brake drum vane RHS front brake caliper cap

**Alpine Renault:**

Car 10: ICE (previously used) TC (previously used) MGU-H (previously used) MGU-K (previously used) EX (previously used) Parameter changes associated with the PU elements replacement

**Haas Ferrari:**

**Racing Bulls Honda RBPT:**

Car 30: ICE (previously used) TC (previously used) MGU-H (previously used) MGU-K (previously used) EX (new) Parameter changes associated with the PU elements replacement RHS engine sealing panels

**Williams Mercedes:**

Car 55: SIS bracket

All above parts have been replaced with the approval of the FIA technical delegate following a written request from the team concerned, this being in accordance with Article 40.3 of the 2025 Formula One Sporting Regulations.