1999 Vauxhall Astra

Engine Mechanical problem
1999 Vauxhall Astra Front Wheel Drive Manual 186675 miles

17td top fuel pump gone I all so have early model vauxhall cavalier 17td, will it fit my astra, looks eg same and is a gm engine. Or I can pick one up of another astra 17td same shape and gm engine, but not same year will that fit, many thanks for the time reading.