كتب : Omar AbdelAziz
The Chilean will complete the move on July 1st, subject to passing a medical at Boleyn Ground.
"I can't promise anything but I am going to everything possible to do a good job for the club," Jimenez told West Ham's website.
Jimenez, 25, joined Inter last summer after a successful loan spell from Ternana, but failed to find regular football under Jose Mourinho.