10 SECTION 35 1973 79 TRUCK SERIES 100 500 YEAR MODEL RESTRICTIONS PART NUMBER DESCRIPTION TY 3590 ARM STEERING GEAR SECTOR SHAFT Cont d 73 F100 250 A A 2 W D A Regular D2TZ 3590 A D2 l A 3590 AA 1 and Super Cab under 8100 GVW with M S F100 250 A 2 W D A Regular D2TZ 3590 B D2TA 3590 BA 1 and Super Cab under 8100 Gvw with P s 73 75 F100 A 4 W D C6TZ 3590 K C7TA 3590 AA 1 Fzso A A A W D and M 5 C7TZ 3590 D c7TA 3590 D 1 I F250 4 W D and P S with 1 Garrison control valve Before Ser T80 001 Fzso A w D and P 5 with D4TZ 3590 A D4TA 3590 FA 1 Bendix control valve From Ser T80 001 71 77 moo 1so A A 4 W D emu ivi s om 359oAe 1 76 77 F100 150 4 w D and P 5 D6TZ 3590AD 1 78 F150 A A 4 W D and M S reg cab D8TZ 3590 A D8TA 3590 AA 1 78 F150 4 W D and P S reg cab D8TZ 3590 B D8TA 3590 BA 1 76 77 Fzso A A W D D6TZ 3590 C D8TA 3590 l lA NA 1 Before Ser Y20 001 78 F150 A A 4 W D A A Super Cab D7TZ 3590 C D7TA GA 1 77 F250 A A A W D 1 From Ser Y20 001 79 F350 A A A W D 1 73 F25O A A 2 W D A A Super Cab DZTZ 3590 C D2TA 3590 EA 1 8100 GVW and Crew cab F350 2 W D with M s Fzso A A 2 w o A A Super Cab DZTZ 3590 D D2TA 3590 FA 1 l 8100 GVW and Crew cab F350 2 W D with P 5 73 77 oArsoo A A ivi s D1TZ 3590 c 1 73 78 B E500 A A P 5 C7TZ 3590 K C7TA 3590 AE 1 Before Ser O40 001 78 77 B P500 A A P 5 From Ser O40 001 D7HZ 3590 A x D6HT 3590 AA 1 73 78 M450 500 D3TZ 3590 B 1tDOTA 3590 C A A not re laced 1 73 77 P350 500 B7J 3590 A TRAT 3590 A 1 73 E100 300 382667 S ll llVl 161 P nut arm to gear assy hex lock 1 7 8 14 73 l F100 350 2 W D 380771 S10 NIM 3B FB Anut arm to ear he 7 B 14 1 73 F100 250 A A A w D 357588 58 BB 277 bolt elam A5 B 18 x 3 1 2 1 73 F25O A A 4 W D 377179 S BB 201 E bolt arm to sector shaft 1 5 e 11 x 3 1 2 34991 5 NUI 5 8 11 1 73 77 P100 500 353395 58 BB 276 boIt elam A5 B 18 x 2 13 lo 1 3C590 BUSHING KIT POWER STEERING CYLINDER PISTON ROD END BUSHING J3 74 5100 300 cwz 3c59 A 1 Consists of 2 lnsulators 1 Spacer 2 Nuts 2 Washers 73 78 F100 250 A w D D3TZ 3C590 A 1 Consists of 2 D3TA 3A344 A Insulators 1 D3TA 3652 AA Spacer 1 33943 S2 Nuts 2 D3TA 3A345 A Washers 77 F100 250 A A W D D4TZ 3C590AA Use D3TZ 3c59o A D3TZ 3B711 A 1 30590 Refer to Power Steering Pump Parts List Section 36 1 page 1