If a part is temporarily unavailable, you could substitute it with these parts:
Quality Starter solenoid for Ford TRANSIT 2.5 DI 76 hp Diesel
Wide selection of new starter solenoid for Ford Transit MK5 2.5DI (EME/L/S, ENE/L/S) Diesel 76 hp, priced from £24.48 to £34.96. Choose from 3 trusted manufacturers.
Tried, tested, and top-rated: Starter solenoid for Ford Transit Mk4 Platform/Chassis (VE83) 2.5 DI (EME/L/S, ENE/L/S) 76 hp Diesel