Page 771 - 2021 Sierra Catalog
P. 771

 753
 18-3117 IMPELLER PLATE
Replaces: 32435, 324351, 30605 For: #1 Units thru S/N D494568
  18-3122 IMPELLER PLATE
Replaces: 817276, 8172761, 8172763 For: Alpha I - Generation 2
S/N D494569 & Above
 18-3350
WEAR PLATE Replaces: 72778, 94576
 18-3351
WEAR PLATE Replaces: 72777, 94916
 18-3293 IMPELLER KEY Replaces: 28-43037
 18-3151 COUPLING Replaces: 816597
 18-3417
WATER PUMP BASE Replaces: 46-57234A1
 18-3420
WATER PUMP BASE
Replaces: 46-44292A3, 46-44292Q03, 46-44292T1
 18-3421
WATER PUMP BASE Replaces: 46-48748A1
 18-3116
WATER PUMP HOUSING Replaces: 46-96148, 46-96148A1, 46-96148T1, 46-64141A1, 46-48743A1
 PKG. OF 2
6.125"
18-2732 18-2732-9➀ WATER SHUTTER Replaces: 807166A3
2.360”
    3.175”
18-2733 2.5” WATER SHUTTER
Replaces: 92802, 99370A2
 3.780”
   3”
18-2727 EXHAUST WATER SHUTTER Replaces: 60930
 18-3220
WATER TUBE Replaces: 32-54236 For: #1 -R/MR/Alpha
 18-3221
WATER TUBE
Replaces: 32-814384, 32-860220 For: Gen II
 18-3222
WATER TUBE GUIDE Replaces: 23-816583 For: Gen II
  PKG. OF 5
18-3226
18-3226-9➀
IMPELLER PUMP SCREW
Replaces:10-30720 For: R units
 PKG. OF 5
18-3227-9➀ WATER PUMP DOWEL PIN Replaces: 17-35973 For: R/MR, Alpha I
 PKG. OF 5
18-3229
18-3229-9➀
WATER POCKET SCREW Replaces: 10-28668
For: MR/Alpha
   18-3197
SCREW
Replaces: 10-76156, 10-67373
 ➀ Priced per Package
  I/O — MERCRUISER - Cooling System
      











































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