COOLANT GRILLE OIL SYSTEM 1 079 GASKET Coolant Pump Assembly to Block Con t 83 4 WD 6 cyI 1st Ser 3838182 1 3 a I D w 5 holes dia 55 72 All Blazer 8 cyl exc 396 A 400 3754587 1 left or right 7 large I D cork Note 1 63 72 All Blazer 194 230 250 83 65 D D G 10 4 cyl 3788478 1 V 63 72 Ser 10 thru 30 292 3815848 1 88 72 All 396 400 3860039 2 1 1 I D x two n holes at ends Q 87 70 All 3 53 5119460 1 five u dia holes I A 1 097 CONNECTOR HOSE NIPPLE TUBE Coolant Pump By Pass y 88 89 Ser 10 thru 30 396 3921915 2 thermostat by pass hose to inlet manifold J V and water pump 1 O L x 0 D 68 70 All 3 53 3921724 1 rad surge tank bleeder 83 64 Ser 10 thru 30 292 3815847 1 HOSE water by pass 62 Ser 10 thru 30 261 83 4 WD 261 3757234 1 1 HOSE thermostat by pass 85 88 Ser 10 thru 30 292 exc D D Z 9 A 89 72 Ser 10 thru 30 292 3861926 1 HOSE water by pass 65 67 Ser 10 thru 30 327 I 3839178 1 HOSE thermostat by pass R H 66 89 Ser 10 thru 30 396 71 72 All 400 1485552 1 HOSE thermostat by pass 1 O D x V I D cut as reqd 87 70 All 3 53 5 189721 1 HOSE water by pass tube 88 Ser 10 thru 30 327 3923277 1 HOSE thermostat by pass I D 85 70 Ser 10 thru 30 327 350 3788950 1 NIPPLE thermostat by pass housing 14 87 70 All 3 53 5133035 1 TUBE water by pass V 1 105 SHAFT ASSY Coolant Pump with Bearing 68 70 Ser 10 thru 30 396 907738 1 4 long 1 148 GAUGE Coolant Temperature Dash Unit A For 1962 63 models also see groups 9 743 9 746 9 747 and 9 748 58 59 Ser 3 A 80 84 Ser 20 30 D D 1513381 1 electric A 80 63 Ser 10 thru 30 exc D D FFC 640 1218 1 GAUGE ASSY less case face plate and A lens 60 68 Ser 10 thru 30 FFC a 61 64 Ser 10 D D 85 86 D D I 8401220 1 GAUGE ASSY less case face plate and L lens 87 72 D D A 8 69 G 10 20 w gauges I V 71 72 G 10 20 30 w gauges 8489841 1 GAUGE ASSY temp 87 69 Ser 10 thru 30 exc FFC D D I V 70 72 All Blazer exc FFC D D 6489838 1 GAUGE ASSY temp 87 72 FFC L 8489840 1 GAUGE ASSY temp 1 150 3Al GE SWITCH ASSY BUSHING Coolant Temperature Engine mt 56 61 All 1 62 Ser 10 thru 30 FFC 283 V 82 83 Ser 10 thru 30 w gauges exc D D 64 72 FFC D D 84 88 Ser 10 thru 30 w gauges exc FFC D D J 1 87 72 Ser 10 thru 30 w Tach 8 gauges 88 69 G 10 20 w gauges 71 72 G 10 20 30 w tech 1513321 1 sending unit electric black w brass housing A 63 Ser 10 thru 30 exc FFC D D 84 85 Ser 10 thru 30 exc FFC D D gauges l 66 Ser 10 thru 30 exc D D FFC gauges Tech 1993444 1 SWITCH ASSY sending unit 64 86 G 10 89 G 10 20 8 cyl exc gauges V 89 Ser 10 thru 30 exc D D A 70 71 Ser 10 thru 30 1st design I exc tach gauges D D 7 1 G 10 20 30 lst design exc tech gauges 1 993462 1 V SWITCH ASSY sending unit 243 deg stamped AC238 242M GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVFlOLET 72TL t A REV 5 79 1 23 1 079 1 150