0 629 PISTON ASSEMBLY w Pln NOTE See group 0 629 in Pls A 30 for Service Piston Diameter Range Limits NOTE Individual piston assemblies are available to the dealer by specifying on his order that individual pistons are required for warranty or piston damage in new engines This note should appear on order Do not ship unit package quant ity Refer to following Chart for Model Application Part List Port List Port List Port List No Price No Price No Price No Price 3707453 7 75 3752043 9 90 3758666 8 50 3816647 9 35 3707454 7 95 3752044 9 90 3758667 8 50 3816648 9 35 3707455 7 95 3752631 9 75 3759914 7 75 3816649 9 35 3707456 7 95 3752632 9 75 3792534 8 75 3816650 9 35 3707473 7 75 3752633 9 75 3792536 8 75 3816651 9 35 3707474 7 45 3752634 9 75 3794494 8 25 3816974 9 35 3732021 7 75 3752635 9 75 3794495 8 25 3816975 9 35 3732023 7 75 3758650 7 75 3794496 8 50 3816976 9 35 3732027 7 95 3758651 7 75 3794497 8 50 3816977 9 35 3732029 7 95 3758652 7 95 3794498 8 50 3840148 8 75 3739886 8 25 3758653 7 95 3816637 9 50 3840150 8 75 3739888 8 25 3758654 7 95 3816638 9 50 3840152 8 85 3739890 8 50 3758663 8 25 3816639 9 50 3840154 8 85 3739894 8 50 3758664 8 25 3816640 9 50 3840156 8 85 3752042 9 90 3758665 8 50 3816641 9 50 5195931 15 38 PISTON CHART i STD 001 O S 020 O S 030 O S 040 O S 55 56 ALL 265 3732021 3732023 3759914 3732027 3732029 55 S8 ALL 261 3758650 3707474 3758654 55 62 ALL 235 3707453 3707473 3707454 3707455 3707456 55 62 ALL 261 3758652 3758653 56 59 ALL 322 3752042T 3752043T 3752044T 57 58 ALL 283 3758663 3758664 3758667 57 59 ALL 283 exc L D 60 61 Ser 60 283 3758665 3758666 59 ALL 283 exc L D J 60 61 Ser 60 283 3758663 3758664 3758667 59 Ser 6 w L D 283 60 63 Ser 40 50 283 3739886 3739888 3739890 3840154 3739894 59 62 ALL 261 3758650 3758651 3758654 58 61 ALL 348 3752631 3752632 3752633 3752634 3752635 62 64 Ser 60 327 V 3816974 3816975 3816976 3816977 62 64 ALL 348 3816650 3816651 3816647 3816648 3816649 62 64 ALL 409 3816640 3816641 3816637 3816638 3816639 62 64 DIESEL 51959316 63 Ser 50 230 3792534 3792536 3840152 3840154 3840156 63 64 Ser 50 60 292 3794494 3794495 3794496 3794497 3794498 64 ALL 230 283 3840148 3840150 3840152 3840154 3840156 NOTE Four cast valve relief pockets in top of each piston TNOTE Balance Weight Unit 3751840 must be used with initial installation of these pistons See Group 0 662 NOTE 040 O S Pistons are not erviced for this engine V QNOTE Consists of 1 Piston Assy w bushing and 2 piston pin retainers 0 633 BUSHING NOZZLE Piston 62 64 DIESEL rod and pin bronze 1 O D x 5116181 A R 79 62 64 DIESEL NOZZLE piston spray 5150140 A R 42 I 0 636 PIN Piston STD 0015 O S 003 O S 005 O S Length 55 62 ALL 235 3701538 3703686 3704881 3704882 3 6 1 35 55 62 ALL 261 370245145 370749549 370749663 3707497 3 6 1 35 56 59 ALL 322 1162051 8 1 55 62 64 DIESEL 5116189 A R 2 49 QNOTE This part is eligible for wholesale compensation 0 639 RETAINER Piston Pin 62 64 DIESEL 5180250 A R 11 Chevrolet Motor HDT 134 G n r Motors Corporation REVISED NOVEMBER 1 1963