Ex japan, clean import engine units for japanese trucks.
just to name a few; isuzu : 4jj1,4hf1, 4hl1, 4hk1, 6hh1, 6hk1, 6sd1, 6bg1,...
mitsubishi: 4d32/33/34/35, 4m50, 4p10, 6d14/15/16/ 16t/17.
hino:n04c, w04d, j05c, j07c, j08c/8e p11c, e13c.
nissan: fe6/ fe6t, pf6,pd6,pe6,ne6.