3949251 3871257 3915992 3953799 3949252 3871258 1 Belt um 3 8 Wide 15 32 Wide Part No Length Part N0 Length Part No Length Part No Length 3990902 30 38259641 40 5 3925530 50 3850995 32 3845642 31 3949259 41 3991971 52 3999405 3735 3953733 31 3946019 42 3947702 52 5 3850993 39 7 3850803 31 5 3999453 42 75 3995047 53 7 3826327 40 5 3993252 323f 3848251 43 3932332 5335 3940992 43 75 3848263 35 3953778 43 3951945 54 3889376 4537 3927159 36 3949252 44 3971257 54 3945553 47 3871258 37 2 3937790 45 5 3949739 55 5 3951955 5335 3915962 38 3932457 45 75 3780981 553 3945554 5337 3850801 3B 2 3953787 47 5 3917208 55 3947709 543 3 388845811 39 1N 3993249 47 5 3929904 55 7 N 3783294 55 N 3945945 39 5 3953788 47 3851316 59 1 3947711 55 7 39493371 40 5 3887104 49 5 3951955 59 3999404 57 3759201 40 5 3845548 49 75 3946065 57 3949254 573Ai 3872784 603 3 1 Belt Unit NOTE Code letters shown under the heading Driven Pulleys indicate the Pulleys which the belt drives Codes are as follows B BIOwer W Water Pump and Fan G Generator P Po1 ver Steering Pump C Air Conditioning Compressor X Air lniection Reactor F Fan L iV 11 esi w s g 1 1 71J 1 K 71 7 1 x 7 1 5 6 P l 1 CORVAIR F C Drive Pulley Crankshaft Groove No 1 1 or 2 Pulley system Driven Dimensions Pulley 60 57 CORVAIR F C 135 5537 l 9 5 3780981 1 i 4 i a FQ S 1 V 2 g 7 T5 i M 2 2 l CORVAIR Drive Pulley Crankshaft Groove No 2 1 or 2 Pulley system Driven i Dimensions Pulley 61 66 CORVAIR w Custom Air Cond 1st design exe Turbocharger 15 3 47 C 3845653 1 66 CORVAIR w Custom Air Cond 2nd design exc 5 4 1BC 1 32 45 1 c 3889376 1 66 67 909vAm vv A l R exc cx xc 1 5 42 751 3888453 1 66 CORVAIR Custom Air Cond vv Sp H Per 67 coRvA1R W Air cmd 1 52 57 51 c 3848254 1 67 909vmR 14 1 9 w7c A c 34 36 x 3927158 1 1 1959 CHEVROLET MOTOR DIVISION GENERAL 11401095 CORPORATlON 1 066 1 066 1 10 REV 2 15 69