"A total of 14 drivers will race today with a new ICE: George Russell, Sergio Perez, Lando Norris, Oscar Piastri, Lance Stroll, Fernando Alonso, Pierre Gasly, Logan Sargeant, Daniel Ricciardo, Yuki Tsunoda, Valtteri Bottas, Zhou Guanyu, Kevin Magnussen and Nico Hulkenberg.
While the change sees the majority of drivers race with their third ICE, Perez, Ricciardo and Tsunoda have started to use their last unit of their allocation for the 2024 F1 season.
Perez, Russell, Piastri, Norris, Stroll, Alonso, Gasly, Sargeant, Ricciardo, Tsunoda, Bottas, Zhou, Magnussen and Hulkenberg have also received a new turbocharger, MGU-K and MGU-H for the Silverstone round.
The cars of Verstappen, Perez, Piastri, Norris, Stroll, Alonso, Gasly, Sargeant, Ricciardo, Tsunoda, Bottas, Magnussen and Hulkenberg have been equipped with a new exhaust system."
Source: F1Technical.net