FUEL EXHAUST 50 60 65 3 417 BEZEL AIR CLEANER DUCT ALSO SEE RPO No K 12 3462 1 1 1 3894169 250 292 366 427 DH478 Upper Air Intake Duct 13 x 3 Chrome 3 417 COVER AIR CLEANER DUCT ALSO SEE RPO N0 K 12 3591 1 1 1 3894158 250 292 366 DH478 Upper Air Intake Duct 17 Lg 3 417 DUCT AIR CLEANER AIR INTAKE ALSO SEE RPO N0 K 1 2 3599 1 1 1 3894171 250 292 366 DH478 Air Intake Upper To Hood 1 1 3906883 250 292 DH478 Air Intake Lower 1 3906879 366 Air Intake Lower To Fdr 1 2473483 DH478 TG Air Intake 1 1 2029848 4 53T Air lnIet W Fiberglass Fenders Hood Eff w 1978 1 2029892 4 53 Air InIet W Fiberglass Fenders Hood Eff w 1978 3 417 DUCT CARBURETOR AIR HEATER 12 4185 1 1 3924535 366 To Eng 3 417 EXTENSION AIR CLEANER ALSO SEE RPO Nc K 12 3635 1 3928066 292 TS 1 1 3976218 250 292 Std 1 1 460440 292 td Eff 1977 1 1 2015773 292 Gov Hi Flange Eff 1977 1 1 3976219 250 292 G0v Hi Range 3 417 EXTENSION CARBURETOR AIR HEATER DUCT 12 4185L 1 1 3906481 366 2 High To Cleaner Valve 3 417 GASKET BLOWER AIR INLET ADAPTER 12 4018 1 5196054 4 53 Blower Screen 1 5124405 4 53 Mounting to A C R0und 6 OD 4 ID 1 5103441 4 53T Inlet Housing Eng Assy 5104193 5104194 3 417 GRILLE AIR CLEANER AIR INTAKE DUCT ALSO SEE RPO No K 12 3726 1 1 1 3897779 250 292 366 DH478 Lower Air Inlet Duct 1 2463149 DH478 TG Air Intake Duct At Cab Side Panel 3 417 HOUSING BLOWER AIR INLET 12 4030 1 5116385 4 53 Asm 5140313 lncl Latch Shaft Seal Spring 1 5130978 4 53 Assy 5104752 1 5104253 4 53T Eng Assy 5104193 5104194 3 417 PIPE AIR CLEANER 12 3790 1 681905 366 Cleaner Outlet 3 417 PLATE AIR DUCT COVER 12 3810 1 680145 366 Cover 3 417 SEAL AIR CLEANER AIR INLET ALSO SEE RPO N0 K 12 3833 1 1 3905095 350 366 Lower Duct 1 1 3897649 366 DH478 Upper Air Intake Duct to Lower Duct Grille 1 2463150 DH478 TG Duct at Cleaner 1 1 3905095 250 292 Intake Hose Adapter 1 1 3897649 250 292 Hood Upper Duct 1 1 3905095 250 292 Lower Duct 3 417 SUPPORT CARBURETOR AIR HEATER 12 4192 1 1 331117 250 292 Eff 1974 Flep 692402 1 1 460423 292 Eff 1977 1 1 3924699 292 Eff 1977 3 417 TUBE CARBURETOR AIR HEATER 12 4195 1 1 3982965 292 250 Assy 7044011 7044012 Eff 1974 1 1 2015762 292 W Cab Std 1 1 3929656 292 W Hd Aux Cleaner 1 1 3931961 292 W 1 Qt Hd Oil Bath 1 1 3973288 292 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION 78TM 3 417 3 417 3 30 N S reference only Added this issue AR PART