I A 1 3 SPEED TRANSMISSION A 4 421 GEAR COUNTERGEAR UNIT RING Transmission Con t 66 67 G 10 20 w 3 Spd exc H D 327 67 Ser 10 20 w Saginaw 3 Spd V 1 exc OZD D D 4 WD 68 70 G 10 20 Ser 10 20 Blazer w Saginaw 3 Spd V 71 72 All Blazer w Saginaw 3858998 1 28 21 15 14 teeth 54 60 All w 3 Spd H D S 3870960 1 GEAR UNIT 31T Note 5 69 72 AIl Blazer w Muncie 3 Spd 3911985 l 1 GEAR ASSY counter 69 72 Ser 30 w Muncie 4 Spd 3955570 1 GEAR ASSY counter 40 68 All w Muncie 3 Spd 3817960 1 COUNTERGEAR UNIT countershaft I V vv bearing 27T 14T 22T 5 R I I O L I 68 Ser 10 20 w H D 3924195 1 RING trans counter gear damper plate l 4 422 BEARING ROLLE R Transmission Countershaft Gear 68 Ser 10 20 w H D 13 Spd 9423051 A R roller Warner 47410 40 69 All w 3 Spd exc H D V V 67 70 All Blazer w Muncie 3 Spd n V 71 72 All Blazer 435847 A R ROLLER brg dia x O L not l used w bushed type countergear 1 54 66 All w H D 3 Spd 3709328 80 ROLLER brg frt and rear O L 4 423 WASHER Transmission Counter Gear Bearing R I NOTE 1 When using in place of steel washen 3737814 washermust be used on needle bearing side s 40 68 All w Muncie 3 Spd 64 85 G 10 w 3 Spd 3737814 2 roller brg thrust l D x l u 0 0 40 68 All w Muncie 3 Spd 3740819 A R 1 0 D bronze Note 1 l 54 66 Ser 10 thru 30 w 3 Spd H D 3709325 1 front l D x 2 0 0 1 int notch l 54 68 Ser 10 thru 30 w 3 Spd H D A l 88 All w H D 3 Spd 3709324 6 I f brg I D x 1 u thick Z 2 64 85 Ser 10 w O D 64 65 G 10 w 3 Spd 3834209 2 thrust l D x 1 0 0 x thick 68 AI w H D 3 Spd 3870799 1 rear thrust Warner T16 32 A E 88 72 All Blazer w Saginaw 3 Spd 3890565 2 thrust 1 4 I D x 1 0 0 i 86 72 All Blazer w Saginaw 3 Spd 3859006 2 bearing u D x 1 O D 69 72 All Blazer w Muncie H D 3 Spd 3924788 1 center shaft bearing 69 72 All Blazer w Muncie H D 3 V 3 Spd V 3911955 1 center gear thrust V 4 428 SHAFT Transmission Counter 54 86 Ser 10 thru 30 w H D 3 Spd 3709300 1 dia x 9 length L 40 68 All w Muncie 3 Spd 3707179 1 dia x 7 O L for use only w needle type countergear 66 72 All Blazer w Saginaw 3 Spd 3859005 1 dia x 9 N O L 69 72 All Blazer w Muncie H D 3 V Spd 3911954 1 1 dia x 11 0 L V A A 4 430 GEAR Transmission Reverse Idler with bushings NOTE 2 This part is used an past models with 15 or 16 teeth A n 54 68 Ser 10 thru 30 w H D 3 Spd 3709341 1 n 40 68 All w Muncie 3 Spd l 3830211 1 GEAR ASSY Note 2 64 65 G 10 w 3 Spd 3834233 1 GEAR ASSY w bushing 86 72 All Blazer w Saginaw 3 Spd 3859007 ll GEAR ASSY 17 teeth 69 72 All Blazer w Muncie H D 3 I Spd 391 1958 1 V GEAR ASSY rev idler 21 teeth 4 431 ROLLER SPACER Transmission Reverse Idler Gear y r 64 65 Ser 1O w 3 Spd O D exc D D 9421574 40 bearing V 88 Ser 10 20 w H D 3 Spd 9423491 25 bearing 70 72 All Blazer w 3 Spd 435847 A R needle 4 422 71 72 AIl Blazer w Saginaw 6271513 1 SPACER reverse idler shaft 4 433 SHAFT Transmission Reverse Idler Gear I NOTE 1 Consists of 1 each shaft spacer and ring IA 38 68 All w Muncie 3 Spd 3820058 1 w oil flat use w bushing V l 66 72 All w Saginaw 3 Spd 3998253 1 3 u 0 L x 0 0 Note 1 l 89 72 All Blazer w Muncie 3 Spd 3911959 1 reverse idler y Q 4 435 PIN RING Transmission Reverse Idler Shaft Y 38 88 All w Muncie 3 Spd 590832 1 I lock tapered x length R 68 70 All w Saginaw 3 Spd I 71 72 All Blazer X l 9414486 1 RING gear retainer 8 934 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL I 4 421 4 435 442 I REV 5 79 A