64 66 Ser 10 thru 30 exc FFC D D 6402615 1 11 50 GAUGE ASSY less case face plate and lens 67 70 D D 69 G 10 20 w Gauges 6489841 1 8 24 GAUGE ASSY temp 67 69 Ser 10 thru 30 exc FFC D D 70 All Blazer exc FFC D D 6489838 1 11 38 GAUGE ASSY temp 67 70 FFC 6489840 1 9 63 GAUGE ASSY temp v 1 150 GAUGE SWlTCH ASSY HEATER UNlT BUSHING PLUG INSULATOR Coolant Temperature Engine Unit 56 All 6400759 1 2 91 sending unit electric 57 61 All 62 Ser 10 thru 30 FFC 283 62 63 Ser 10 thru 30 w gauges exc D D 64 70 FFC D D 64 66 Ser 10 thru 30 w gauges exc FFC D D 67 70 Ser 10 thru 30 w Tach gauges 68 69 G 10 20 w gauges 546702 1 3 65 sending unit electric black w brass housing 63 Ser 10 thru 30 exc FFC D D 64 65 Ser 10 thru 30 exc FFC D D gauges 66 Ser 10 thru 30 exc D D FFC gauges Tach 1993350 1 3 43 SWITCH ASSY sending unit 62 63 Ser 10 thru 30 1st design exc 283 D D gauges FFC 6400211 1 3 77 SWITCH ASSY sending unit stmpd AC 115B 226M 64 66 G 10 69 G 10 20 8 cyl exc gauges 69 Ser 10 thru 30 exc D D 70 Serl 10 thru 30 exc tach gauges D D 1993462 1 3 65 SWITCH ASSY sending unit 243 deg 67 68 Ser 10 thru 30 exc gauges Tach FFC D D 67 G 10 20 68 G 10 20 8 cyl exc gauges 6402784 1 5 57 SWITCH ASSY sending unit black 68 G 10 20 6 cyl exc gauges 6489179 1 5 18 SWITCH ASSY sending unit 257 deg 69 70 G 10 20 6 cyl exc gauges 1993369 1 3 39 SWITCH ASSY sending unit stamped 369 248 degree 38 55 All 6 cyl 3837160 1 55 BUSHING reducing in cyl block 18 int x Va 14 ext w electrical sending unit 60 66 FFC 5644602 1 24 INSULATOR 2 515 1 152 HEATER UNIT CORD ASSY Engine Heater 68 70 All w Engine Heater exc 396 993541 1 68 70 All w Engine Heater 396 993542 1 69 70 All w Prod Engine Heater 732546 1 3 10 CORD ASSY semi circular receptacle 69 70 All w Acc Engine Heater 732591 1 3 10 CORD ASSY rectangular receptacle 1 153 OUTLET ELBOW Coolant 54 55 All 261 1st Ser 55 59 Ser 3 6 cyl 2nd Ser 60 62 Ser 10 thru 30 6 cyl 63 64 D D 230 63 4 WD 6 cyl 1st Ser 65 66 Ser 10 D D 194 230 65 66 Ser 20 30 D D 292 65 66 Ser 10 thru 30 292 exc D D 3836209 1 2 10 cast 3836209 55 65 All 8 cyl V 66 Ser 10 thru 30 283 327 exc A l R it 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31 j 1 148 1 153 1 26 REV 6 71