The Bosch 2430134023 nozzle holder is a genuine OEM component designed for optimal fuel injection in various Massey Ferguson and Perkins engine applications. This critical part ensures proper atomization and delivery of fuel, contributing to engine efficiency and performance. It is a direct replacement for Massey Ferguson 3640243M91 and Perkins 2645666, fitting a wide range of Massey Ferguson tractors including the 100, 200, 500, and 600 series, as well as industrial models.