3 SPEED TRANSMISSION 4 419 RING WASHER Transmission 1st Reverse Gear 66 70 All Blazer w Saginaw 3 Spd 3869940 1 30 WASHER reverse thrust Wis l D x 2 0 D 66 70 All Blazer w Saginaw 3 Spd 3884595 1 15 WASHER reverse thrust Wu I D x 1 V z 0 D wavey wi 68 4 WD 127688 1 25 WASHER bearing lock 8 932 69 70 All w Muncie H D 3 Spd 3911963 1 30 WASHER reverse gear thrust 4 421 GEAR COUNTERGEAR UNIT PLATE SPRING RING Transmission 64 65 G 10 w 3 Spd 64 65 Ser 10 w 3 Spd 0 D 3834207 1 28 90 27 14 22T 5 z 0 L 61 66 Ser 10 thru 30 w H D 3 Spd 3876124 1 53 25 Warner 1AT89C 8B 31T 66 68 Ser 10 w O D 66 67 G 10 20 w 3 Spd exc H D 327 67 Ser 10 20 w Saginaw 3 Spd exc O D D D 4 WD 68 70 G 10 20 Ser 10 20 Blazer w Saginaw 3 Spd 3858998 1 41 70 28 21 15 14 teeth 54 60 All w 3 Spd H D 3870960 1 60 25 GEAR UNIT 31T Note 5 NOTE 5 Consists of 1 each countershaft gear countergear rear thrust washer countershaft front thrust washer and countershaft rear thrust washer 68 Ser 10 20 w H D 3 Spd 3912391 1 67 50 GEAR ASSY counter Warner 1AT 160 8 69 70 All Blazer w Muncie 3 Spd 3911985 1 68 25 GEAR ASSY counter 40 68 All w Muncie 3 Spd 3817960 1 37 05 COUNTERGEAR UNIT countershaft w bearing 27T 14T 22T Sq gz OJ 68 Ser 10 20 w H D 3 Spd 3924192 1 1 85 PLATE counter gear damper Warner T16D 9 65 68 All w H D 3 Spd 3924194 1 20 SPRING counter gear damper plate 68 Ser 10 20 w H D 3 Spd 3924195 1 1 00 RING trans counter gear damper plate 4 422 BEARING ROLLER Transmission Countershaft Gear 68 Ser 10 20 w H D 3 Spd 9423051 A R 10 roller Warner 47410 40 69 All w 3 Spd exc H D 67 70 All Blazer w Muncie 3 Spd 435847 A R 10 ROLLER brg V dia x 0 L not used w bushed type countergear 54 66 All w H D 3 Spd 3709326 80 10 ROLLER brg frt and rear 4 0 L 4 423 WASHER SPACER Transmission Counter Gear Bearing 38 40 Comm 590826 2 40 used only w bushed type countergear Wu I D 4 notches x 1 0 D x Vu thick 40 68 All w Muncie 3 Spd 64 65 G 10 w 3 Spd 3737814 2 20 roller brg thrust I D x 1 z 0 D 40 68 All w Muncie 3 Spd 3740819A R 55 W O D bronze Note 1 NOTE 1 When using in place of steel washer 3737814 washer must be used on needle bearing side 54 66 Ser 10 thru 30 w 3 Spd H D 3709325 1 1 00 front V I D x 2 0 0 1 int notch 54 66 Ser 10 thru 30 w 3 Spd H D 3709327 1 1 00 rear V I D x 2V 0 D 2 int notches 54 66 Ser 10 thru 30 w 3 Spd H D 68 All w H D 3 Spd 3709324 6 20 brg V I D x 1 2 thick 64 65 Ser 10 w O D 64 65 G 10 w 3 Spd 3834209 2 20 thrust I D x 1 0 D x thick 54 66 Ser 10 thru 30 w 3 Spd H D 1374801 1 1 00 rear thrust Warner T85AA 32 68 All w H D 3 Spd 3870799 1 1 10 rear thrust Warner T16 32 68 Ser 10 20 w H D 3 Spd 3870797 1 1 00 front thrust Warner T16 30 66 70 All w Saginaw 3 Spd 3890565 2 55 thrust Wu I D x 1 0 D 66 70 All w Saginaw 3 Spd 3859006 2 20 bearing Wu l D x 1 O D 69 70 All Blazer w Muncie H D 3 Spd 3924786 1 25 center shaft bearing 69 70 All Blazer w Muncie H D 3 Spd 3911955 1 55 center gear thrust 54 66 Ser 10 thru 30 w 3 Spd H D 3709323 1 1 20 SPACER brg V I D x 4 V 0 L 68 Ser 10 20 Conv w H D 3 Spd 8 cyl 3870796 1 1 30 SPACER bearing Warner T16 28 wi 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 31T 4 419 4 423 4 58 REV 6 71