ISPOL, otherwise known as Isuzu Motors Polska- a joint venture between Isuzu Motors and GM - produced its one millionth diesel engine - a1.7 litre unit destined for the new Opel/Vauxhall Astra.

Since the start of production operation on 14 June, 1999, ISPOL hit the 100,000 unit mark in 2000, 300,000 in 2001, and 500,000 in June 2002. The joint venture was first established in January 1997 in Tychy as a wholly-owned engine manufacturing subsidiary of Isuzu Motors with an initial installed capacity to produce 300,000 units diesel engines per annum. Subsequently, it was transformed into a GM-Isuzu joint venture, GM with 60% and Isuzu with 40%.

ISPOL engines are supplied to Opel, Vauxhall, Honda and MerCruiser.