28 section 93 1973 79 TRUCK SERIES 100 500 ENGINE YEAR MODEL RESTRICTIONS CYL C I D PART NUMBER DESCRIPTION QTY C C D 90448 VALVE ASSY INTERGRAL EXHAUST GAS RECIRCULATION AND BACK PRESSURE CONTROL Cont d Also refer to groups 9F452 9D475 Refer to a e 25 for A lication Instructions 78 F100 M T 8 302 D8ZZ 90448 B CX 264 D8ZE 90448 B1A B2A B3A 1 78 F100 w Hi a titude carb 8 302 incl 1 D7AZ 9E464 E asket 1 78 F100 250 A T CaIif 8 351M EZPZ 90448 B CX 914 A D80E 9D448 B1A B2A B3A 1 emission inc 1 D7AZ 9E464 E gasket 79 F150 250 4 w o ivi T 8 351M 1 Calif emission 79 F2s0 2 w D M L 8 351M 1 Calif emission 79 F150 250 2 W D A T 8 351M 1 Bef0re Ser GJ0 001 78 F100 M T exc Calif E 351M EBPZ 9D448 C CX 915 A D8TE 9D448 E1A E2A E3A 1 emission incl 1 D7AZ 9E464 E asket 78 E25o F15o 250 Calif 8 460 D8TZ 9D448 K CX 268 D8TE 90448 i 1A i 2A i 3A 1 emission incl 1 D7AZ 9E464 A asket 78 F100 A T w Hi altitude carb 8 351M BPZ 90448 A CX 940 D8TE 9D448 M1A M2A M3A 1 incl 1 D7AZ 9E464 E asket 78 F100 A T exc Calif 8 351M E3PZ 90448 B CX 271 D8TE 9D448 P1A P2A P3A 1 emission 400 incl 1 D7AZ 9E464 E gasket 78 F150 250 M T Ca if emission 8 351M 1 79 F150 250 M Tecalif 8 351M 1 emission 79 F25O 2 W D M T exc 8 400 1 Calif emission 78 E100 M T exc Calif E 351W E4PZ 9D448 Y CX 1067 D8UE 90448 E1A E2A E3A 1 emission incI 1 D7AZ 9E464 E asket 78 E100 A T 8 351W D8UZ 90448 G CX 273 D8UE 9D448 G1A G2A G3A 1 78 E150 250 A T Calif emission 8 351W incl 1 D7AZ 9E464 E asket 1 78 E150 250 M T CaIif K 351W E4PZ 90448 Y CX 1067 D8UE 9D448 D1A incl 1 emission 1 D7AZ 9E464 E asket 79 E100 250 A T n 300 D9TZ 90448 E CX 336 D9TE 9D448 E2A incI 1 1 D7AZ 9E464 E asket 79 F100 150 M T exc 300 D9TZ 9D448 G CX 333 D9TE 9D448 G2A incl 1 Calif emission 1 D7AZ 9E464 E gasket 79 F150 2 w D M T calif 300 1 emission 79 F150 250 M T exc E 300 E4PZ 9D448 C CX 1049 D9TE 9D448 l 2A incI 1 Calif emission 1 D7AZ 9E464 E asket 79 E100 250 M T H 300 D9TZ 9D448 L CX 374 D9TE 9D448 L2A incl 1 79 F250 A T 300 1 D7AZ 9E464 E asket 1 79 F100 150 A T exc R 300 D9TZ 90448 M CX 375 D9TE 90448 M2A incl 1 Calif emission 1 D7AZ 9E464 E asket 79 F150 250 4 w D M T soo D9TZ 90448 N CX 397 D9TE 90448 N2A incl 1 exc Calif emission R 1 D7AZ 9E464 E gasket 79 F250 M T exc Calif emission 300 1 79 E150 250 A T E 302 D8DZ 90448 B CX 28b D8DE 9D448 B1A B2A B3A 1 incl 1 D7AZ 9E464 E asket 79 F100 150 M T exc Calif 8 302 D8ZZ 90448 A CX 288 D8ZE 9D448 A1A A2A A3A 1 emission incl 1 D7AZ 9E464 E gasket 79 F100 A T Ca if emission 8 302 1 79 E F100 150 4 A T exc Calif 8 302 EBPZ 90448 C CX 915 A D9TE 9D448 F1A F2A 1 emission and Canada incl 1 D7AZ 9E464 E gasket 79 F100 A T Canada 8 302 1 79 E100 A T Calif emission H 302 E4PZ 9D448 Y CX 10b7 D9UE 9D448 D1A 1 incl 1 D7AZ 9E464 E asket 79 E100 250 A T exc Calif 8 351W D9UZ 9D448 A CX 342 D9UE 90448 A1A A2A 1 emission and Canada incl 1 D7AZ 9E464 E gasket 79 E100 250 Hi altitude 8 351W 1