l 069 PUMP ASSEMBLY PUMP UNIT REPAIR UNIT Engine Coolant 59 Ser 6 261 60 Ser 60 261 61 62 ALL 261 3757231 1 12 95 62 66 Ser 60 212 65 66 Ser 50 159 5109046 I 1 26 55 62 66 Ser 80 318 5109551l 1 29 12 63 64 Ser 50 60 292 3789536 1 12 95 65 ALL 292 lst design 3861920 1 14 95 65 ALL 351 478 exc H D 65 ALL w H D 478 lst design 66 ALL 351 exc TILT 66 ALL 478 exc l l D TDM S4 dia shaft 24171970 1 16 50 65 ALL 1 l D 478 Znddesign 66 ALL w l l D 478 1 dia shaft 2486143 O 1 29 50 55 65 ALL 265 283 327 PUMP UNIT See Notes 1 thru 5 3848072 1 13 90 NOTE Includes pump to block gasket NOTE 1 On models not using in water by pass pipe plug 103869 is required NOTE 2 With early design prod pump body interference may occur on models with air conditioning Grind relief at point of contact on those models until later design is available NOTE 3 On models equipped with in by pass system it is necessary to install reducer bushing 144042 NOTE 4 On 1955 56 models it is necessary to install reducer bushing 3838094 NOTE 5 When using on 1962 65 Models it is necessary to drive the pulley hub back inch on bearing shaft The pump plate should be removed and the bearing shaft must be supported before starting the pressing operation S5 58 Ser 4 6 6 cyl 60 62 Ser 40 50 235 PUMP UNIT less pulley 3774186 1 11 30 56 59 ALL 322 PUMP UNIT w pulley do not use with spacer 3752344 1 25 50 NOTE Contains pump 3752280 cast 3752281 58 59 Ser 7 9 348 PUMP UNIT 3760196 1 36 00 58 59 Ser 8 10 348 PUMP UNIT 3760206 1 26 50 63 65 Ser 50 230 V 66 Ser 50 250 PUMP UNIT 3876168 1 10 8 5 60 65 ALL 348 409 PUMP UNIT double by pass 3843922 1 36 915 65 66 AzLL 292 2nd design PUMP UNIT 3876172 1 14 9 5 66 Ser 50 60 283 327 PUMP UNIT 3890017 1 13 90 66 Ser 60 80 366 PUMP UNIT 3890018 1 26 50 62 66 Ser 50 60 212 159 REPAIR UNIT water pump 5197626l 1 11 6 5 62 66 Ser 80 318 REPAIR UNIT water pump 5197625l 1 11 65 073 BOLT BRACE BODY COVER STUD NIPPLE PLUG FITTING Coolant Pump ss ss Au 348 409 4 16 x 1 svasvos A R 10 60 62 ALL 348 409 63 65 ALL 348 409 exc P T attach X 16 x 3 3763958 1 215 63 Ser 60 w P S exc 327 348 130 amp pump asm bolt upper L I I hole 3826039 1 6 606 62 ALL 8 cyl attach 20 x 7A ext lockwasher 3817006 1 1 428 63 Ser 60 292 64 Ser 60 TILT attach A 18 x 1 180085 1 8 900 60 62 ALL 348 409 BRACE two holes 3 ctr to ctr and two holes 5 ctr to ctr 3763959 1 1 75 63 65 ALL 348 409 BRACE two holes 3 ctr to ctr and two holes 5 ctr to ctr 3833261 1 70 62 66 Ser 60 212 65 66 Ser 50 159 BODY 5109045l 1 9 67 65 66 ALL 318 BODY 5109552l 1 9 113 62 66 Ser 60 212 65 66 Ser 50 159 COVER pump body 5119283l 1 55 60 61 Ser 40 50 60 283 exc Cool Pack 62 66 ALL 283 327 exc C A C STUD attach 24 16 x 2 z 3759755 1 1 5 65 66 ALL 351 478 STUD 5A x 1 518172 4 05 62 66 ALL 159 212 NIPPLE hose Z O D x 1 O L 5119477 1 0 206 62 66 Ser 80 318 NIPPLE body 1 O D x 3 O L 512147 1 97 62 66 ALL 212 348 PLUG body at heat hose location auto 65 66 Ser 50 159 hex socket pipe Z PTF 5115214 A R 1 2 51 1966 Chovrolet Motor Division I 069 l 073 Gonorol Motors Corporation 148A HDI REVISED MAY 1 1966