26 section 93 1973 79 TRUCK SERIES 100 500 9D448 VALVE ASSY INTEGRAL EXHAUST GAS RECIRCULATION AND BACK PRESSURE CONTROL Also refer to groups 9F452 9D475 HOW T0 FIND EGR VALVES To select the correct EGR valve the following information must be known and utilized O Year O Model F100 F150 F250 etc O Engine 6 cyl 4 9L 300 C I D 8 cyl 5 0L 302 C I D etc O Transmission manual automatic etc I Other factors California hi altitude etc O In some cases more than one service EGR valve may be specified in the catalog based on the above information In these cases the identification part number shown on the EGR valve is also required For example If an EGR valve is required for a 1977 F100 with an 8 cyl 5 0L 302 C I D engine automatic transmission used with California emission O Refer to 1977 F100 O Read down to find F100 A T Calif emission 8 cyl 302 C I D The service part numbers listed for this application are EZPZ 9D448 C and D7TZ 9D448 N Therefore to select the correct sewice part number the identification part number shown on EGR valve taken from the vehicle must be used If the EGR identification is D7TE 9D448 B1A D7TE 9D448 B2A or D7TE 9D448 B3A the service part number is D7TZ 90448 B If the EGR identification is D7TE 9D448 N1A D7TE 9D448 N2A or D7TE 9D448 N3A the sewice part number is D7TZ 9D448 N ENGINE YEAR MODEL RESTRICTIONS CYL C I D PART NUMBER DESCRIPTION QTY C C D 9D448 VALVE ASSY INTEGRAL EXHAUST GAS RECIRCULATION AND BACK PRESSURE CONTROL Also refer to rou s 9F452 90475 L E100 M T exe Calif emission n B51w E4PZ 9D448 Y CX 1067 D7UE 90440 A1A A2A ABA 1 77 E100 A T exc Calif E 351W E4PZ 90448 H CX 1054 D7AE 9D448 E1A E2A E3A 1 emission 77 F100 exc Calif emission 8 351M EBPZ 9D448 B C 914 A D7TE 9D448 I 1A K2A K3A 1 77 F100 A T exc Calif 8 400 1 emission 78 F100 A T exc Calif emission 8 351M 1 77 E100 A T exc Calif E 351W BPZ 9D448 A CX 940 D7UE 9D448 D1A D2A D3A 1 emission 77 F100 ivi T with 7 E n Boz E4PZ 9D448 V CX 1065 D7TE 9D448 A1A A2A ABA 1 77 F100 A T without T E 8 302 D7TZ 9D448 E CX 182 D7TE 9D448 E1A E2A E3A 1 77 E100 A T witii T E Hi 8 B51vv 1 7 a titude exc Calif emission 77 F100 V A T Calif emission n 302 EBPZ 9D448 C CX 915 A D7TE 9D448 B1A B2A B3A 1 77 F100 A T Ca if emission E 302 D7TZ 9D448 N CX 174 D7TE 9D448 N1A N2A N3A 1 77 F100 V M T Hi altitude n 302 D7TZ 90448 J CX 179 D7TE 90448 J1A J2A JBA 1 77 F100 M T with T E exc H 302 D7TZ 90448 G CX 144 D7TE 9D448 G1A G2A G3A 1 Calif emission 77 F100 M T exc Calif 8 351M E3PZ 9D448 A CX 940 D7TE 9D448 F1A F2A F3A 1 emission 77 F100 A T Calif emission 8 351M 1 77 F100 A T l Ii altitude n 351M E3PZ 9D448 A CX 940 D7TE 90448 H1A HZA H3A 1 77 E100 A T n 351W E4PZ 90448 H CX 1054 D7AE 9D448 G1AG2AG3A 1 77 78 F100 A T Canada n 351M D7TZ 9D448 L CX 211 D7TE 9D448 L1A LZA L3A 1 77 E100 7 7 A T calif Boo D7UZ 9D448 L CX 227 D7UE 90448 L2A 1 emission From Ser Y00 001 77 F100 MH From ser Y00 00I Boo D7TZ 90448 T CX 225 D7TE 90448 12A 1 77 E100 M T Ca if emission E 300 D7UZ 9D448 H C Z26 D7UE 9D448 H2A 1 From Ser YOO 001