I In 3 SPEED TRANSMISSION A A I A 4 472 PLATE RlNG Transmission Overdrive Sun Gear 55 69 z Ton 3712704 1 1 w blocking ring end gear Warner AR 10B l 13 4 477 RING Transmission Overdrive Snap n I E A NOTE 1 Unit consists of one each 3707188 087 Green 3707189 090 Dark Blue 3707190 093 Yellow 3707191 096 White 55 69 2 Ton Blazer 3707189 1 speedo drive gear retainer 089 thick A 4 412 55 69 All Blazer 3998394 1 A RING UNIT Note 1 A I 4 480 SOLENOID SWITCH RELAY ASSY NUT Transmission Overdrive A l NOTE See group 4 495 for overdrive kickdown switch brackets i A 55 65 2 Ton 3850094 1 A l 66 69 All 3886326 1 A Warner A R100 62 1 55 69 1 Ton 1998130 1 SWITCH kickdown 4 term brass carb A 57 69 I Ton 1115812 1 RELAY ASSY A 55 69 2 Ton 826198 2 NUT overdrive kickdown switch assy hex A 20 4 485 GOVERNOR ASSY Transmission Overdrive S 55 60 z Ton A e S 64 65 Ser 10 Ist design 3852437 1 Warner AR10 M72 3 t O L 1 66 69 All 3916080 1 s Warner AR100 72A 3 O L I 65 Ser 10 2nd design 1 4 490 RAIL ASSY Transmission Overdrive Shifting A A 66 69 All i 3886324 r1 RAIL ASSY Warner AR100 20 A 4 495 CABLE ASSY BRACKET PIN Transmission Overdrive I 55 66 Ser 10 3885519 1 I control w knob and bracket chrome 67 Ser 10 1st design 67 Ser 10 2nd design A V 68 69 Ser 10 exc FFC 3922962 1 control 55 64 2 Ton 8 cy exc 4BC A 64 66 Ser 10 283 I I 65 66 8 cyl exc 4BC A 67 69 Ser 10 8 cyl 3711382 1 BRACKET kickdown switch 2 ctr to V ctr holes 38 70 All 103565 ALR A PIN control shaft to case ay x 1 A A taper A 8 940 A 1 4 500 BRACKET SUPPORT Four Wheel Drive Transfer Case I A 67 69 All exc T H 3894216 1 transfer case mtg r O 54 66 Ser 10 thru 30 w H D 3 Spd V A 63 66 All 2nd Ser A l 67 72 All Blazer 3823423 1 SUPPORT transfer case mtg bracket right A hand side A 4 502 EEARING CUSHION SPACER WASHER Four Wheel Drive Transfer I GSB I r 60 61 All 907372 1 mainshaft and frt axle drive shaft 4 408 V 60 72 All Blazer 2391770 4 V CUSHION mounting upper I i 60 72 All Blazer 2391771 4 CUSHION mounting lovver 60 72 All Blazer 2387521 4 SPACER mounting I D x 1 long 63 72 All Blazer 2nd Ser 3823424 1 SPACER mounting on R H side 60 66 All 2387523 A R g WASHER upr and Iwr mtg bracket I A A D x 2 0 D A 4 505 CASE ASSY Four Wheel Drive Transfer A NOTE 1 Less yokes and deflectors A I 67 69 Ser 10 20 3928556 1 transfer Note 1 A 69 70 Blazer A 3981793 1 transfer 70 72 Ser 10 20 3990935 1 A NP10105 Note 1 A 71 72 Blazer A 3993042 1 Spicer 300927 1 and Spicer 300927 2 4 510 CASE ADAPTER BOLT CAP COVER LIl IK RETAINER A if A SCREW SLEEVE VENT ASSY Four Wheel Drive Transfer NOTE 1 When using 6271547 inplace of 398 7949 purchase and install control lever bolt 6272339 67 69 All 3912174 1 Timken 3875 M 793 69 72 Blazer 3975725 1 transfer Spicer 18 15 37 71 72 Ser 10 20 3 975702 1 transfer NP99415 71 72 Blazer 6272129 1 A ADAPTER ASSY 70 72 Ser 10 20 w Muncie 6271547 1 ADAPTER ASSY Note 1 71 All Blazer 6272339 1 BOLT control lever pivot GM PARTS DIVISION GENERALMOTORS CORPORATION CHEVROLET 72TL j A 4 472 4 510 e 4 44 A REV 5 79