3729Z15 G 67 2 3 4 3856956 B 1 21 4 7 32 3927733 B 3729882 H 4 931 2 1 2 3859374 F 10 1 1 4 3927768 B g 3 4 3778539 A 63 2 3 8 3868842 L 77 1 5 8 3928988 B 4 I 45 1 3888198 O 4 931 A 3942523 J 1 8 B 48 3 1 4 3889308 R 2 4 3828363 P H 5 16 1 6420992 K 75 1 3 4 5 64 orfice on small end I T 7 64 orfice on small end 3 8 18 NPTF thd with 3 8 and 3 1 4 hose conns When usmg in place of original part not requiring the extension beyond flange cut tube as required for proper installation and reconnect hose A 5 D E I s I fl la 0 Ep F 6 u I J a A 4 VV V fr Q r K L M N O wi P o R CONNECTORS 68 69 Ser 10 thru 30 250 292 3943670 1 75 CONNECTOR c case vent hose inlet manifold non illustrated 5 inches dev Iength 47 48 Comm exc FR FS D D 48 49 Comm exc D D 3697142 1 4 55 OIL FILLER w ventilator cap type 55 62 D D 6 cyl 2nd Ser 3896773 1 4 60 OIL FILLER w ventilator pos vent 55 62 All 8 cyl 63 All 8 cyl 64 65 All 8 cyl closed vent H D A CI 3711724 1 1 00 TUBE ASSY filler w bracket 6 z long 56 57 D D 8 cyl 64 Ser 10 thru 30 w H D A Cl exc D D FFC 64 65 Ser 10 thru 30 w closed vent 283 l 3858532 1 5 00 TUBE ASSY filler 66 Ser 10 thru 30 327 exc closed vent A I R 2 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 31 i 1 745 1 745 1 62 REV 6 71