J Z I I Y I 3 SPEED TRANSMISSION g 6 Q 4 384 RING PLATE KEY Transmission Synchronizing Con t I 54 72 All Blazer w 3 Spd H D 3709356 1 clutch hub ret 102 4 376 66 68 Ser 10 w 0 D A 66 70 G 10 20 w 3 Spd exc H D A 67 72 All Blazer w Sa ginaw 3 Spd 3859025 2 all clutch hub retaining L 69 72 All Blazer w Muncie 3 Spd 3911973 2 synchronizer retainer r 54 68 All w H D 3 Spd 3870793 3 PLATE shifting Warner T16 13 66 67 Ser 10 w 0 D I 66 70 G 10 20 w 3 Spd exc H D 283 307 327 I V I 67 72 All Blazer w Saginaw 3 Spd 3871250 6 KEY all clutch i 69 72 All Blazer w Muncie 3 Spd 3911972 6 KEY synchronizer 4 395 GEAR Transmission 2nd Speed 1 I I 54 68 All w Muncie 3 Spd 2nd V design 3737859 1 w energizing spring A 61 67 Ser 10 thru 30 w 3 Spd H D 3786027 1 36 teeth V 64 65 All w Saginaw 3 Spd 3834224 1 w energizing spring 66 72 All w Saginaw 3 Spd 3859019 1 24 teeth Q 69 72 All Blazer w Muncie 3 Spd 3911988 1 2nd speed gear I Q 4 398 WASHER Transmission Shaft and 2nd Speed Gear Thrust 55 68 All w Muncie 3 Spd 3736753 1 gear thrust 1 I D x 1 az 0 D x I I IV V thick steel 4 403 SHAFT Transmission Main V n NOTE 1 When using shaft 605022 as initial replacement on 1940 jobs it is necessary to use clutch assy 605020 55 57 All w 3 Spd exc O D H D I 58 60 4 Ton w 3 Spd exc H D j O D I I 61 63 Ser 10 20 w 3 Spd exc H D 3740860 1 22 z long 6 splines 67 Ser 10 20 w Muncie 3 Spd V I exc 0 D D D I 64 68 Ser 10 Conv w Muncie 3 Spd I 250 3924763 1 V i 66 72 All Blazer w Saginaw 3 Spd exc O D 3915014 1 i 21 sg 0 L i 66 69 All w 0 D 3876748 1 M 67 68 Ser 10 20 4 WD w 3 Spd 3905459 1 69 70 All w Muncie H D 3 Spd I 71 72 Ser 10 20 w Muncie exc I I 4 WD V 71 72 G 20 30 w Muncie 3911960 1 main I 69 70 Ser 10 20 4 WD w 3 Spd 71 72 Ser 10 20 4 WD w Muncie 3932227 1 V I I 69 70 Blazer w Saginaw 3 Spd V 71 72 Blazer K w Saginaw 3950452 1 4 z O L 4 404 WASHER Transmission Main Shaft Universal Joint Attaching B l 38 47 CC DC EC FC G H J KD KE V KF AL AM BL BM DR ER I V w 3 Spd 473059 1 plain I D x 1 0 D x thick I 60 66 Ser 10 thru 30 w 3 Spd H D 591472 1 M I D x 1 O D x thick I 4 408 i BEARING Transmission Main Shaft Rear V 54 70 Ser 10 thru 30 Blazer w 3 I Spd H D 71 72 Blazer K w Saginaw 903307 1 ND 33OX1A 63 66 Ser 10 thru 30 w H D 3 Spd 1 I clutch gear I 68 All w H D 3 Spd L 907372 1 rear less snap ring 54 55 Comm w 3 Spd 1st Ser exc I I H D O D I n 55 57 All w 0 D 55 59 Ser 3 w 3 Spd 2nd Ser exc H D 0 D I V 60 66 Ser 10 20 exc H D O D 64 G 10 exc O D A J 65 67 G 10 20 exc H D 66 68 Ser 10 w 0 D V 67 70 Ser 10 20 w Muncie 3 Spd i A exc 0 D V I I 71 72 Ser 10 20 Blazer C V V I w Saginaw exc 4 WD V 71 72 G 10 thru 30 w Saginaw 907763 1 ND 476006 V f 55 62 I Ton w 0 D GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL 4 384 4 408 440 V REV 5 79