66 Ser 10 thru 30 283 exc closed vent H D air cleaner A l R 67 Ser 10 thru 30 283 exc H D air cleaner 3883093 1 1 70 TUBE ASSY oil filler 66 Ser 10 thru 30 w closed vent 8 cyl 66 Ser 10 thru 30 w H D A Cl 283 exc A l R 3889152 1 4 60 TUIBE ASSY oil filler 66 Ser 10 w A l R closed pos vent oil bath A Cl 8 cyl 67 68 All w closed pos vent 283 327 3889311 1 4 20 Tl BE ASSY oil filler 68 69 Ser 10 thru 30 8 cyl exc 396 Roof Mtd A C 3929665 1 3 90 TUBE ASSY oil filler 70 Ser 10 20 4 WD Blazer 4 WD w BB 8 cyl 3929746 1 5 70 TUBE ASSY oil filler 52 53 Al D 1v pos vent exc D 54 58 All w pos vent 6 cyl exc 59 61 Ser 3 w pos vent 6 cyl 61 62 All w closed vent 6 cyl 63 4 WD w closed vent 6 cyl lst Ser 3699844 1 6 95 VENTILATOR 57 Ser 3E 3G w 4 WD 6 cyl 3740652 1 5 00 VENTILATOR crimped top 55 67 All 265 283 327 3728502 1 3 10 VENTILATOR mtd inside of engine 5 Ig 50 55 Comm 235 1st Ser exc D D 55 56 Ser 3 235 2nd Ser exc D D 57 Ser 3 exc D D 3740662 1 5 00 VENTIALTOR ASSY crimped top 58 59 Ser 3 exc pos vent closed vent D D 60 62 Ser 10 thru 30 6 cyl exc pos vent closed vent D D 63 4 WD 6 cyl lst Ser exc pos vent closed vent 3743070 1 5 05 VENITILATOR ASSY NOTE 1 Contains parts and instructions for complete installation 50 62 All 6 cyl 5645937 1 6 67 KIT positive vent CV 3 55 59 Ser 3 6 cyl 60 Ser 10 thru 30 6 cyl 6419925 1 3 43 KIT closed vent adapter KV 1002 use w 5645937 55 Ser 3 w 2BC 56 59 Ser 3 w 2BC 60 Ser 10 thru 30 283 6419926 1 3 22 ll lT closed vent adapter KV 1003 use w 5646969 49 61 All 6 cyl 62 D D 62 All w positive vent 6 cyl exc D D 63 4 WD w pos vent lst Ser 5647228 1 2 55 VAlI VE crankcase ventilator 56 D D 8 cyl 61 All w closed vent 8 cyl 62 All w closed vent 283 6421785 1 1 89 VAILVE ventilator metering 61 62 All w pos vent closed vent 6 cyl 63 4 WD w closed vent 6 cyl lst Ser 7421787 1 VALVE ASSY metering CV 208 63 64 All 8 cyl 65 66 Ser 10 thru 30 283 327 exc closed vent H D A CI A l R 67 Ser 10 thru 30 G 10 20 8 cyl exc closed pos vent 6421934 1 1 89 VA LVE ASSY vent CV 590 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31 REV 6 71 1 53 1 745 1 745