12 SECTION 50 1973 79 see Page 1 of this Section For H0w to Find Frame Numbers YEAR MODEL RESTRICTIONS PART NUMBER DESCRIPTION TY 5A103 INSULATOR BODY T0 FRAME 75 E100 350 D5UZ 5A103 A 2 5 Z106 PLATE ASSY FRAME T0 BODY SUPPORT 78 F350 0872 5C10 A 1 5123 4 GUSSET FRAME SIDE MEMBER T0 FRONT CROSSMEMBER 73 76 M450 500 D3HZ 5123 A 1 I E 1 0 3 Z W 2 5135 6 REINFORCEMENT FRAME CROSSMEMBER 73 77 E500 134 W B TCAA 5135 A No 4 2 73 77 P500 137 w B P400 No 4 2 73 77 0 7500 exc 154 w 0 RH 0072 5135 A LH 0072 5130 A 1 73 77 0500 154 w 0 RH 0977 5135 1 LH 0917 5130 EQ 1 73 74 F100 re ular crew cab C5TZ 5135 A N0 4 2 A 72511 00 0117 0 mw cab 2 w 11 cm 5135 1 2 75 F250 crew cab 2 W D RH C7TZ 5135 B LH C7TZ 5135 D N0 3 74 7100 250 super cab RH 0472 5135 c LH 0472 5135 0 H 1 with 6500 6900 and 7500 Ib G V W F250 super 0101 with RH 0472 5140 c LH 0472 5140 0 H 1 8100 Ib G v w 74 F150 250 4 w 0 0472 5135 A 2 79 F350 4 W 0 2 73 F250 4 W D RH C7TZ 5135 F LH C7TZ 5135 A No 1 1 77 F250 crew cab 4 w D D7TZ 5135 A No 4 1 Fr0m Ser Y20 001 73 F350 130 W B RH C7TZ 5135 B LH C7TZ 5135 D No 3 1 73 F350 140 100 and 166 W B RH C7TZ 5135 C LH C7TZ 5135 E N0 3 1 73 76 M450 500 7 side ran RH B91T 5135 A LH B9TT 5136 A N0 5 1 M500 with 9 1 4 side rail TCAA 5135 A R H and L H 1 5146 GUSSET FRAME SIDE MEMBER T0 REAR CROSSMEMBER Also refer to rou 5135 6 73 F250 regular C7TZ 5146 A N0 4 5 or 6 2 73 F350 130 w B N0 4 2 74 F100 super cab F250 super cab D7TZ 5146 8 N0 3 2 with 0500 6900 and 7500 Ib G v w F250 super cab with D4TZ 5146 A N0 3 2 8100 Ib G V W F350 su er cab 74 76 F100 350 su er cab D4TZ 5146 D N0 5 2 73 76 F350 l40 100 W B C7TZ 5146 B No 4 and 5 2 77 F350 140 160 W B EOTZ 5146 A N6 4 and 5 2 7 F100 350 Su er Cab D7TZ 5146 B No 5 2 73 76 F250 350 Crew Cab C7TZ 5146 A N0 4 and 6 2 77 F250 350 Crew Cab 2 W D D7TZ 5146 C N0 4 5 and 6 2 77 F250 Crew Cab 4 W D D7TZ 5146 D N0 4 1 Fr0m Ser Y20 001 NOTE 37 Exc Snowplow option