1 066 BELT Fan Gen amd Accessory Drive NOTE See Dealer Price Schedule P A 26 for applicable prices Belt No Length Belt No Length Belt No Length Belt N0 Length 3 8 Wide 3770513 43 1385181 39 3887698 42 1374979 45 1483315 391 8 1 3924517 42 1 3915112 29 3887104 48 3880803 41 3941323 43 3880802 30 391201 50 384 5654 53 37 59205 43 N 3845642 31 3861940 51 3847709 54 381327 7 44 3946009 31 390540 53 3888403 56 3947 148 44 N 1 3924541 33 3861946 54 3888404 57 3947149 45 3925595 33 1 3868570 54 97855155 57 3885457 51 3848263 35 391213 54 3851319 58 3888487 52 3927158 36 38497 39 55 3840396 60 39007 59 52 3871258 37 1 3887686 55 38722784 60 3947150 53 N 1 3845303 38 3780981 55 3883004 54 3915962 38 3861952 56 Widle 3764340 55 N 1 3850801 38 1 3900482 57 3759214 56 N 1 3947186 38 3851316 58 39022011 30 1 3766995 56 N 3888458 39 1 3866956 58 39051446 33 3759209 57 I 3845646 39 3754666 60 3951479 38 3902123 58 3947154 40 3754700 61 1 388768JB 38 3849337 40 3887687 39 5 8 Wide 13892975 41 15 32 Wide 3887682 39 N 3849258 41 1 388 3003 41 3680776 42 3888453 42 3850995 32 3888454 41 Belt Unit I NOTE Code letters shown under the heading Driven Pullleys indicate the pulleys which the belt drives Codes are as follows W Water Pump and Fan G Generator P Power Steering Pump A Air Susp Comp C Air Cond Comp l Idler X Air Injection Reactor F Fan l l l 1 0 0 QQ 0 OOO 2 2 00 009 0 O 0 ig Lag 3 3 oooc g f F 4 3 1 l a 2 l 2 i 4 and 6 cylinder Drive Pulley Crankshaft Groove No 1 1 2 or 3 pulley systems 2 Driven 2 Dimensions Pulleys 38 52 All exc 50 55 amp 42 G W 3680776 1 53 54 Ser 3 lst Ser exc 40 50 55 amp 67 68 Ser 10 thru 30 A l R P S w 62 amp gen 250 exc H Cooling C A C D D V 41 G N 3849258 1 53 55 Ser 3 w 40 50 amp lst Sen 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31 REV 6 71 1 11 1 066 1 066