I T4 37 1978 78 TREMAC 3 SPEED TRANSMISSION 1 BEARING Mainshafs Roller 4 352 38 BEARING ASM Mainshalt Rear 4 408 2 RING Synch Blocking 4 383 40 GEAR Speedo Drive 4 343 3 SPRING 2nd 3rd Synch 4 413 41 WASHER Lock 8 931 4 Pan or Synchroninr Arm 4 380 42 BOLT 8 900 5 KEY Znd 3rd Synch 4 384 43 VENT ASM Extension 4 103 8 Part of Synchronixer Asm 4 380 44 EXTENSION ASM Trans 4 317 7 GEAR Znd Speed 4 395 45 BUSHING Extension 4 319 8 RING Rear Brg Lock 4 412 48 SEAL ASM Extension Oil 4 318 9 RING Ist Speed Gear Retaining 4 418 47 WASHER Counter Gear Thrust 4 428 10 WASHER 1st Speed Gear Thrust 4 418 48 SPACER Counter Gear 4 428 11 RING Ist Rev Synch Ret 4 384 49 ROLLER Counter Gear Bro 4 422 12 RING Clutch Gear Brg Retainer 4 378 50 SHAFT Counter Gear 4 428 13 BALL Mainsheft 8 899 51 PIN Counteruhaft Spring 4 429 14 SHAFT Maln 4 403 52 GEAR Counter 4 421 15 GEAR Ist Speed 4 4I7 53 FORK 2nd Sn 3rd Shift 4 303 18 SPRING Reverse Synch 4 413 54 SCREW Shift Fork Locking 4 303 17 Part of Sychronixer Aam Group 55 SPRING Shifter Interlock 1 13 1G 4 380 4 380 Long 4 307 18 KEY Reverse Synchronizer 4 384 58 PIN Gear Shifter Interlock 4 307 Q 19 Part of Sychronlzer Aem Group 57 RAIL Ist 8 Rev Shift 4 309 4 380 4 380 58 FORK Ist 8a Rev Shift 4 303 20 SVNCHRONIZER ASM Reverse 4 380 59 PIN Gear Shifter Interlock 4 307 21 SCREW Access Cover 8 977 80 SPRING Shifter Interlock 4 307 22 COVER Access 4 105 81 RAIL 2nd In 3rd Shlft 4 309 23 GASKET Access Cover 4 109 82 BOLT Trans 8 900 24 BOLT Brg Retainer 8 900 63 WASHER Rev Idler Geer Thrust 4 437 25 RETAINER ASM Clutch Gear Brg 4 356 84 SHAFT Reverse Idler 4 433 28 GASKET Clutch Geer Brg Retainer 4 358 85 PIN Spring Reverse Idler Shaft 4 435 27 SEAL Clutch Gear Brg Oil 4 354 88 Part of Rerverle Idler Gear Aem 28 RING Clutch Gear Brg Retainer 4 378 Group 4 430 N S 29 RING Clutch Gear Brg Lock 4 358 87 Part of Reveree Idler Geer Aeln 30 BEARING ASM Clutch Gear 4 355 Group 4 430 N S r 31 GEAR Clutch 4 351 88 GEAR ASM Reverse Idler 4 430 32 PLUG Expansion 4 105 89 SEAL Shift 4 107 8 PLUG Filler 8 971 70 Part of Shaft ln Lever Aam Rev Shift 34 Part of Case Asm N S Group 4 309 N S 35 CASE ASM W Magnet 4 103 71 Part of Shaft Lever Asm Rev Shift 38 GASKET Extension 4 318 Group 4 309 N S 37 CLIP Speedo Drive Gear Retaining 4 345 72 Part of Shaft In Lever Asrn Rev Shift 38 RING Rear Brg Retaining 4 412 Group 4 309 N S 73 SHAFT ASM W Lever Rev Shift 4 309 LWAREHOUSING AND DISTRIBUTION DIVISION UF GENERAL MOTORS CORPORATION LT TRUCK 5IA 2 83 45 4 000 GROUP