67 68 Ser 10 thru 30 exc C A C FFC D D 3918150 2 15 KNOB air vent valve rod 69 70 Ser 10 thru 30 Blazer exc C A C FFC D D 3940732 2 20 KNOB air vent valve operating rod 38 70 AII AG 3158728 1 15 CLAMP heater control 38 70 A l AA 3853554A R 15 CLAMP 0 L 38 70 All AC 3856539 A R 15 CLAMP 1 O L 38 70 Al AC 3856541 A R 15 CLAMP 1V O L wv 38 70 AlI AD 3856543A R 15 CLAMP 1V4 0 L 38 70 All AB 3856545 A R 15 CLAMP 1 0 L 38 70 AIl AE 3856547 A R 15 CLAMP 2Vi O L 55 59 Ser 3 2nd Ser 65 66 Ser 10 thru 30 66 67 G 10 AF 3127015A R 15 CLAMP heater control cable 64 66 Ser 10 thru 30 exc Cowl 3846998 1 10 CLAMP air cond air shut off defroster valve 67 Ser 10 thru 30 w Air Cond AA 3912373 1 25 CLAMP control cable Vi 0 L 67 Ser 10 thru 30 w Air Cond AC 3912375 1 25 CLAMP control cable V4 0 L 67 Ser 10 thru 30 w Heater AD 3912378 1 25 CLAMP control cable 1 V O L 67 Ser 10 thru 30 w Heater AD 3912379 1 60 CLAMP IV 0 L stamped M 69 67 70 G 10 20 AG 3899769 1 15 CLAMP heater control cable 1 0 L 55 59 Ser 3 2nd Ser 60 62 Ser 10 thru 30 3711115A R 10 CLIP vent control rod V2 x 1 grooved 63 Ser 10 thru 30 3771874A R 10 CLIP control valve 60 63 Ser 10 thru 30 68 70 Ser 10 thru 30 exc Sub 69 70 Blazer w Manual Throttle 3771688 1 10 CLIP throttle rod and tube 38 70 All 381700 A R 10 NUT cable spec push on spring Vu shaft 38 70 All 3863839A R 10 NUT vent control rod diverter valve control 64 66 Ser 10 thru 30 exc FFC D D 3851073 1 85 BRACKET temp control cable 60 64 Ser 10 thru 30 3796374 1 15 GUIDE throttle rod wire 3 431 62 66 Ser 10 thru 30 exc FFC D D 3842460 2 40 GUIDE air vent valve handle 67 70 Blazer Ser 10 thru 30 exc C A C D D FFC 3893499 2 45 GUIDE air vent valve rod 62 66 Ser 10 thru 30 exc V FFC D D 37 96103 2 55 HANDLE air vent valve 65 68 G 10 20 3878666 1 85 HANDLE air vent door 64 66 Ser 10 thru 30 exc FFC D D 3841881 1 1 05 BEZEL blower switch air inlet cable 64 66 Ser 10 thru 30 exc FFC D D 3851072 1 1 50 BEZEL temp control cable 64 66 Ser 10 thru 30 exc FFC D D 3842479 2 25 DEFLECTOR air vent valve air 59 66 Van exc 102 W B 67 Ser 20 30 Van w curved W S 6 cyl 3845958 1 1 05 ROD air vent control 67 70 Ser 10 thru 30 exc C A C FFC D D 3940734 2 55 ROD air vent valve operating 68 70 All Blazer exc FFC D D 3940730 2 20 RETAINER air vent valve hinge pin NOTE 1 Without clamp A NOTE 2 Rubber coated NOTE 5 3820999 may be used for the following applications by cutting as specified Wire Tubing Year Model Usage Length Length 55 Ser 3 2nd Ser Heater Temperature 40 37 55 Ser 3 2nd Ser Heater Defroster Valve 33 30 55 Ser 3 2nd Ser Heater Control Valve 6 3 57 59 Ser 3 Heater Defroster Valve 57 59 Ser 3 Heater Defroster Valve 30 27 57 59 Ser 3 Heater Temperature 26 23 i 1t 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATl0N P A 31 9 787 9 787 9 30 REV 6 71