42 secriou 93 1973 79 TRUCK SERIES 100 500 90473 VALVE ASSY EXHAUST GAS RECIRCULATION CONTROL To select the correct EGR valve by knowing the identification number only O Check the EGR valve taken from the vehicle for an identification part number O Refer to the Identification Chart below O Find the EGR valve identification part number sequenced numerically and find the service part number in the adjacent column For example The service part number for EGR valve identified D3TE 9D473 AA D5ZE 9D473 A2A D7ZE 9D473 A1A D7ZE 9D473 A2A or DSDE 9F454 B1A is DBTZ 9D473 A IDENTIFICATION CHART IDENTIFICATION PART NUMBER IDENTIFICATION PART NUMBER 9D473 VALVE ASSY EXHAUST GAS RECIRCULATION CONTROL D5DE 9F454 A1A D7BZ 9D473 A D7BE 9D473 A2A D7BZ 90473 A D5DE 9F454 B1A D3TZ 90473 A D7TE 9D473 A1A D5FZ 9D473 A 77TF 9F454 A1A D3TZ 9D473 A D7TE 90473 A2A D5FZ 90473 A D3AE 9D473 AA D3AZ 9D473 A D7VE 90473 A1A D5VY 9D473 A D3OE 90473 AA D7BZ 90473 A D7VE 9D473 A2A D5VY 9D473 A DBOE 90473 A2A D7BZ 9D473 A D7ZE 9D473 A1A D3TZ 9D473 A D3TE 9D473 AA D3TZ 90473 A D7ZE 9D473 A2A D3TZ 90473 A D3TE 9D473 A1A D3TZ 90473 A D8BE 90473 A1A D8BZ 90473 A D4TE 90473 A1A D4TZ 9D473 A D8BE 9D473 A2A D8BZ 9D473 A D4TE 90473 A2A D4TZ 90473 A D8TE 9D473 B1A D8TZ 9D473 B D5OE 9D473 A1A D7BZ 9D473 A D8TE 9D473 B2A D8TZ 9D473 B D50E 9D473 A2A D7BZ 90473 A E1AE A1A D7BZ 9D473 A D5VE 90473 A1A D5VY 9D473 A E1AE A2A D7BZ 9D473 A D5VE 9D473 A2A D5VY 9D473 A EISE A1A D3TZ 90473 A D5ZE 9D473 A2A D3TZ 9D473 A E1SE A2A D3TZ 9D473 A D52E 9D473 A1A D5FZ 9D473 A E1TE A1A DSFZ 9D473 A D52E 9D473 A2A D5FZ 9D473 A E1TE A2A D5FZ 9D473 A D52E 9D473 B2A D5FZ 9D473 A EIZE AIA D5VY 9D473 A D7BE 9D473 A1A D7BZ 90473 A E1ZE A2A D5VY 9D473 A