Page 774 - 2021 Sierra Catalog

756
GENERATION II WATER PUMP ASSEMBLY
Sequence Description
1 Face Plate
2 Housing Assembly
3 Gasket, Base
4 Gasket, Housing
5 Seal, Face
6 Screw, Housing
7 Impeller
8 Coupling Assembly
9 O-Ring
10 Sleeve
Part No.
18-3122 N.S.S. 18-2564-1 18-2566 18-2599 N/A 18-3056 18-3151 18-7420 18-3222
O.E. #
817276 817275A1 27-43033-1 27-817277 26-816575A2 10-816928 47-43026-2 47-43026T11 25-21836 23-816583
Qty.
1 1 1 1 1 4 1 1 2 1
I/O — MERCRUISER - Cooling System
MR ALPHA WATER PUMP ASSEMBLY
Sequence Description
1 Guide Sleeve
2 Seal, Sleeve Guide
3 Ring, Upper
4 Ring, Dust
5 Nut, Housing
6 Washer, Housing
7 Screw, Housing
8 Housing, Water Pump
9 Cup, Impeller
10 Impeller
11 Gasket, Impeller
12 Plate, Impeller
13 Gasket, Stainless Steel Plate
14 Water Pump Base Assembly
15 Oil Seal, Water Pump Base
16 Gasket, Water Pump Base
17 Oil Seal, Water Pump Base
18 O-Ring, Water Pump Base
19 Pin, Alignment
20 Nut, Housing
21 Washer, Housing
22 Key, Impeller
Part No.
18-3109 18-3110 18-7158 18-7426 N/A 18-4270 N/A 18-3116 18-3114 18-3017 18-2915 18-3117 18-2914 18-3420 18-2013 18-2919 18-2014 18-7176 N/A N/A 18-4275 N/A
O.E. #
23-29804 26-38970 25-30613 25-30271 11-13436 12-36001 10-96411 46-96148A1 48752T 48752 47-89984 27-85609-1 27-85608-1 46-44292A3 26-16977 27-42631-1 26-89238 25-90011 17-42836 11-13438 12-29245 28-56654
Qty.
1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1