The deal will run until the 2024/2025 season.
Tadhg Furlong has signed a new three-year IRFU contract.
The deal will extend his stay with Leinster until the end of the 2024/25 season.
Furlong has amassed 116 appearances for the province having made his debut in 2013.
The Wexford native won his 50th cap for Ireland against Japan in this month's Autumn Nations Series.

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