65 Ser 50 thru 80 exc TILT D D SBC DIESEL SPACER fan blade L 3857042 1 72 65 Ser 60 478 exc TILT V I st design 65 Ser 80 TDM 478 exc H D f Cooling lst design 65 Ser 80 w H D Cooling 478 exc TILT TDM lst design SPACER 240030lO 1 2 60 65 Ser 60 478 exc TILT 2nd design 65 Ser 80 TDM 478 exc H D Cooling 2nd design 65 Ser 80 w H D Cooling 478 exc TILT TDM 2nd design 66 Ser 60 478 exc TILT TDM SPACER 2486177 1 2 80 66 Ser 50 60 283 327 exc Air Equip TILT SPACER fan blade 3857041 1 1 06 66 TILT 366 SPACER fan blade 3890222 1 2 20 62 66 TILT 318 SPACER ASSY fan blade 5109034l 1 8 27 65 66 TILT 478 BOLT fan blade assy 2470933 6 0 206 66 Ser 60 80 TILT 366 BOLT fan blade 4 3814869 1 3 275 65 66 ALL 159 212 BRACKET fan adj screw 5135834 I 1 l 066 BELT Fun Gen ond Accessory Drive NOTE Code letters shown under the heading Driven Pulleys indicate the pulleys which the belt drives Codes are as follows W Water Pump F Fan when fan pulley is separate from water pump GF Generator P Power steering pump B Air Equip Comp C Air cond comp I Idler V Vacuurn pump Notched Belts will be shown by an N following the second parenthesis in the Dimensions column l O 1 1 1 oo 1 0 1 0 0 O 0 0 ooo 1r o 00 Jl ff 0 0 ooo 4 I A il JJ 4 a 2 1 a z 1 z 1 1 6 cyl exc DIESEL Drive Pulley Cronkshoft Groove No l l 2 3 or 4 Pulley Systems Driven Dimensions PulIeysA 55 59 Ser 4 6 w 40 50 amp H D I 6 cyl exc P S 60 Ser 40 thru 60 w 50 amp exc V A O H B Z 44 N G W 3759210 1 3 15 55 57 Ser 4 6 P S w 40 amp 12 volt 6 cyl 59 Ser 6 A O H B w 40 amp 6 cyl 59 Ser 6 35 amp w A 0 H B 6 cyl exc P S 60 62 Ser 60 CAB w Air Equip 6 cyl exc 42 52 amp A C gen 46 N G W 3759207 1 3 35 55 Ser 4 6 P S w 30 amp 6 cyl 2nd 55 57 Ser 4 6 6 cyl 2nd exc P S 40 amp 58 59 Ser 4 6 w 30 amp 6 cyl 60 61 Ser 40 w 35 amp L C I 60 62 Ser 50 60 6 cyl exc 35 40 42 al 50 52 62 amp Air Equip 42 4 N G W 3759204 1 3 15 ANOTE Refer to note ot beginning of group 19 1 064 066 134 Chevrolet Motor Diving HDT General Motors Corporation REVISED MAY I 1966