Ford E-350 Super Duty 1999-2003 V8 7.3L Diesel w/ 2Pcs Pulleys. Ford E-450 Econoline Super Duty 1999-2002 V8 7.3L Diesel w/ 2Pcs Pulleys. Ford E-450 Super Duty 2003 V8 7.3L Diesel w/ 2Pcs Pulleys. Ford E-550 Econoline Super Duty 2002 V8 7.3L Diesel w/ 2Pcs Pulleys.