58 65 ALL 348 409 GASKET UNIT right and left gasket and 2 seals 3772597 1 1 60 60 65 ALL 348 409 GASKET UNIT right and left gasket 3772598 1 77 56 66 ALL 283 327 GASKET UNIT left and right sides only 3818867 1 77 63 65 Ser 50 60 6 cyl 66 ALL 6 cyl GASKET UNIT R H and L H gaskets 2 and seals 3889719 1 1 40 66 ALL 366 GASKET UNIT side 3867763 1 1 16 66 ALL 366 GASKET UNIT 2 seals frt rr and 2 gaskets 3867764 1 2 37 55 62 ALL 6 cyl SEAL frt and rear molded rubber 3836574 2 38 55 61 ALL 265 283 exc SBC 62 66 ALL 283 327 SEAL front 3887151 1 38 U 55 61 ALL 265 283 exc SBC 62 66 ALL 283 327 SEAL rear 3887152 1 48 58 59 ALL 348 SEAL frt and rear molded rubber 3736441 2 43 60 65 ALL 348 409 SEAL frt and rear 3772502 2 43 63 64 ALL 6 cyl SEAL rear 5 end to end 65 ALL 6 cyl rear 5 end to end 3855180 1 24 r 63 65 ALL 6 cyl SEAL front 10 end to end 3788447 1 43 66 ALL 366 SEAL front 3860051 1 63 66 ALL 366 SEAL rear 3860052 1 63 66 ALL 6 cyl SEAL front 3879803 1 29 66 ALL 6 cyl SEAL rear 3879802 1 48 1 453 FLANGE SCREW PLUG Oil Pun Drain 55 61 ALL 265 283 1 62 66 Ser 40 thru 80 8 cyl y 63 66 ALL 6 cyl Z x 1 x Z vv 20 holes in ctr 3723008 1 23 55 66 ALL exc 322 366 DIESEL SCREW 20 x Z 3779764 1 20 56 59 ALL 322 SCREW w szasket 1390566 1 50 62 DIESEL 63 66 Ser 60 212 exc TDM TILT 63 Ser 80 DIESEL w H D Comp P T 64 66 ALL 318 SCREW 5177772 I 1 43 66 ALL 366 SCREW Magnetic 14 20 X 1 3866916 1 I O0 65 66 ALL 351 478 PLUG Z 18 X 1546 2135921 1 25 wl ALL ALL w magnetic drain plug PLUG Z 20 3866776 1 1 00 1 456 GASKET Oil Pun Droin Screw 55 66 ALL exc 322 DIESEL nylon I D x A O D 513975 1 10 56 59 ALL 322 840277 1 10 65 66 ALL 159 62 66 ALL 212 63 66 ALL 318 2 5177773l 1 05 65 66 ALL 351 478 5 I D x 1 O D 24675480 1 15 1 516 GAUGE Oil Level B A ij Type Dimensions Port No Usage Construction A B Number Used 55 Ser 5 6 8 cyl single piece 17 18 3716707 1 90 55 57 ALL 6 cyl exc D D single piece 13 14 3710349 1 82 56 57 Ser 4 6 8 8 cyl single piece 19 20 3722959 1 82 56 58 Ser 5 7 283 single piece 17 181 3722960 1 87 56 59 ALL 322 single piece 16 17 3735107 1 1 15 sf l 1966 1 429 5 6 Chevrolet Motor Division V HDT 172 General Motors Corporation REVISED MAY 1 1966