MACK , (GOOD USED) 1997 Mack E7-300 Diesel Engine, MECHANICAL FUEL PUMP, 300HP @ 1950 RPM, Engine Model EM7-300, 11GBA # 79558, Engine Serial # 7V1262, Stock # 004201, WATCH TEST RUN VIDEO ON JJ REBUILDERS WEBSITE, TEST RUN & INSPECTED! CALL US AT 800-971-3019. (REF STOCK # 004201)