1 1 TURBO HYDIRVAMATIC TRANSMISSION O I 4 343 GEAR Speedometer Drive Cori t I I A I I 68 70 For application refer to chart in I I group 4 337 6 261795 1 8 teeth I 68 For application refer to chart in 1 group 4 337 6261794 1 I 8 teeth I 68 For application refer to chart in I I I 4 337 group 3866663 1 I 69 70 For application refer to chart in A group 4 337 A I 6261785 1 69 70 For application refer to chart in I I group 4 337 i 6261077 1 8 teeth black I 69 70 For application refer to chart in I group 4 337 6261078 1 8 teeth orange 4 345 CLIP Speedometer Drive Gear 6 69 72 All Blazer w T H 350 I 6261781 1 drive gear retainer 71 72 All w T H 400 I 8626089 1I 6 I drive gear retainer I 4 355 BEARING Trans Main Drive I 69 72 Ser 20 Blazer 4 WD w T H I V I 350 I 907274 1 transfer case drive 4 422 BEARING ASSY Trans Countergear 4 71 72 All Blazer 9428004 1 rear output shaft 4 439 COVER GASKET Transmission Power Take Off V f 71 72 All Blazer z 6273213 1 1 6 holes dia 71 72 All Blazer 6273214 2 I GASKET p t o cover 4 455 PLATE Transfer Case I A 71 72 All Blazer I 3988605 1 I transfer case shield A 4 500 SUPPORT Four Wheel Drive Transfer Case I 69 72 All Blazer 3823423 1 9 n transfer case mtg bracket right hand side 4 502 CUSHION SPACER Four Whee Drive Transfer Case I I 69 72 All Blazer 2391770 4 mounting upper 69 72 All Blazer 2391771 4 I mounting lower 69 72 All Blazer 2387521 4 I ISPACER mounting l D x 1 I long 3 69 72 All Blazer 2nd Ser 3823424 1 SPACER mounting on R H side I 4 505 CASE ASSY Four Wheel Drive Transfer I A I I NOTE 1 Less yokes and deflectors I A I I I 69 72 Ser 10 20 Blazer w T H 350 3990934 1 I transfer Note 1 4 510 CASE ADAPTER CAP COVER PLUG RETAINER SLEEVE SCREW VENT ASSY Four Wheel Drive Transfer I NOTE 1 This part has ball bearing assy used to position transfer case door sleeve in adapter housing NOTE 2 The drive sleeve is positioned in adapter housing by means of a snap ring located in sleeve I D I 69 All 3912174 1 Timken 3875 M 793 I 69 72 Ser 10 20 Blazer w T H 350 I 3975702 1 transfer New Process 99415 I 69 72 Ser 10 20 Blazer w T H 350 I lst design 3953839 1 ADAPTER w seals transfer case mtg I New Process 11332 Note 1 72 Ser 10 20 Blazer w T H 350 I I 2nd design 6273963 1 A ADAPTER w seals transfer case mtg I I Note 2 y 69 All 2400557 1 CAP transfer case input shaft rear brg Timken 3866 R 746 69 All g 2400558 A R CAP transfer case rear output shaft frt I brg idler shaft and rrgbrg Timken 3866 I I I T 748 69 All 2410239 A R CAP ASSY w oil seal frt brg input and A I output shaft Timken A3 3866 U 749 69 All 2405638 1 CAP ASSY w oil seal rear brg output I shaft Timken A 3866 Y 805 3 69 72 Ser 10 20 Blazer w T H 350 39757 10 1 COVER idler shaft New Process 38579 69 Ser 20 Blazer w T H 350 8620318 4 PLUG expansion 4 311 69 72 Ser 10 20 Blazer w T H 350 6273966 1 RETAINER frt output shaft brg 69 72 Ser 10 20 Blazer w T H 350 3995881 1 RETAINER frt output shaft rr brg New I ProcIess 97828 69 72 Ser 10 20 Blazer w T H 350 3967897 1 RETAINER rr output shaft seal New I I Process 94687 I 69 72 Ser 10 20 Blazer w T H 350 I 3995821 1 RETAINER rr output shaft brg New 7 M Process 99413 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL I 4 343 4 510 4 178 I REV 5 79 I