70 Ser 10 thru 30 w P S 7811277 1 13 00 master seal major repair 69 Ser 10 thru 30 exc D D 70 All Blazer 7811276 1 3 50 O ring seal minor repair 68 Ser 10 thru 30 exc D D 4 WD 68 Ser 20 30 D D 5688501 1 36 80 control valve NOTE 6 Consists of 1 each seal ring washer scraper and element 6 508 GEAR ASSEMBLY GEAR UNlT ADAPTER UNIT Steering NOTE Assemblies do not include mast jacket except where shown 57 62 D D exc 102 W B 5672165 1 101 90 w mast jacket Note 2 60 63 4 WD lst Ser 5689565 1 60 66 Ser 10 exc 4 WD 60 66 Ser 20 30 exc 4 WD D D 5673642 1 60 65 63 66 4 WD 2nd Ser 5690974 1 60 65 63 67 Ser 20 30 D D 5679800 1 92 75 Note 4 I NOTE 4 When using on 63 and early 64 vehicles one each of the following must also be ordered 3848639 Jacket 5672849 Clamp 454891 Bolt 187119 L washer 9422296 Nut 67 69 Ser 10 thru 30 exc D D 70 Ser 10 thru 30 Conv exc P S 7808710 1 59 75 64 70 G 10 20 7804159 1 60 30 67 68 4 WD 7801347 1 59 75 69 70 4 WD Blazer K exc P S 7808719 1 60 85 67 68 Ser 10 D D 68 Ser 20 30 D D 69 70 Ser 10 thru 30 D D exc P S 7809752 1 63 35 69 70 Ser 20 30 D D w P S 7810989 1 133 10 69 Ser 10 exc 396 4 WD 3960288 1 N L GEAR UNIT P S 69 Ser 20 30 Conv exc 396 3960289 1 N L GEAR UNIT P S 69 Ser 10 396 3960290 1 N L GEAR UNIT P S 70 Ser 10 20 Blazer 4 WD 3977541 1 N L GEAR UNIT Note 8 P S L NOTE 8 Order pump outlet hose 3975137 for V 8 and 3975136 for L 6 engines 70 Ser 10 Conv 396 3974394 1 N L GEAR UNIT P S 70 Ser 10 Conv exc 396 3977539 1 N L GEAR UNIT P S 70 Ser 20 30 Conv 396 3977498 1 N L GEAR UNIT P S 70 Ser 20 30 Conv exc 396 3977540 1 N L GEAR UNIT P S 65 66 Ser 10 thru 30 292 3832395 1 N L ADAPTER UNIT Note 5 67 Ser 10 thru 30 8 cyl exc 4 WD 3912307 1 N L ADAPTER UNIT 67 Ser 10 thru 30 292 exc 4 WD 3912305 1 N L ADAPTER UNIT Note 9 NOTE 9 Order unit 3912360 for installation on vehicles w A I R 67 Ser 10 thru 30 250 exc 4 WD 3912309 1 N L ADAPTER UNIT Note 10 NOTE 10 Order unit 3912239 for installation on vehicles w A I R 67 Ser 10 thru 30 exc 4 WD 292 3912360 1 N L ADAPTER UNIT supplementary 67 Ser 10 thru 30 exc 4 WD 250 3912239 1 N L ADAPTER UNIT supplementary 68 Ser 20 30 250 exc Sub 3929721 1 N L ADAPTER UNIT 68 Ser 20 30 292 exc Sub 3929722 1 N L ADAPTER UNIT 68 Ser 10 292 68 Ser 20 Sub 292 3929724 1 N L ADAPTER UNIT 69 Ser 10 292 69 Ser 20 30 292 w A I R 3960294 1 N L ADAPTER UNIT 69 Ser 20 30 250 exc A I R 3960295 1 N L ADAPTER UNIT 69 Ser 20 30 292 exc A l R 3960296 1 N L ADAPTER UNIT 69 Ser 10 thru 30 396 3960298 1 N L ADAPTER UNIT 70 Ser 10 thru 30 Conv 396 3974382 1 N L ADAPTER UNIT P S 70 Ser 10 thru 30 Conv 8 cyl exc 396 70 Ser 10 20 4 WD Blazer 8 cyl 3974390 1 N L ADAPTER UNIT P S L 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A NTT 6 507 6 508 6 20 REV 6 71