Parts for MerCruiser 228 (4 Barrel.) GM 305 V-8 1977-1978 Water Pump Assembly (MIE)
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
#1 | 46-72774A11 | WATER PUMP ASSEMBLY (1 required per assembly) SERIAL 04775785-09999999 |
46-72774A11 - Water Pump [ More info ] Unavailable |
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#1A | 46-72774 | BODY, WATER PUMP (PLASTIC BODY) (1 required per assembly) |
46-72774 - Pump Body [ More info ] Unavailable |
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46-72774A40 - Two Piece Pump Body, See Parts Bul NO.96-8, NLA [ More info ] Unavailable |
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#2 | 72776 | COVER, WATER PUMP (1 required per assembly) |
72776 - Cover [ More info ] Unavailable |
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87631 - COVER [ More info ] Unavailable |
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#3 | 10-28642 | SCREW, WATER PUMP SLEEVE (1/4") (4 required per assembly) |
#4 | 10-63328 | SCREW, COVER TO BODY (3") (5 required per assembly) |
#5 | 11-20739 | WASHER, COVER TO BODY SCREW (5 required per assembly) |
#6 | 27-72779 | GASKET, COVER TO OUTER WEAR PLATE (1 required per assembly) |
27-94915 - Cover To Outer Wear Gasket [ More info ] Unavailable |
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27-805215 - Water Pump Gasket [ More info ] Unavailable |
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#7 | 72777 | WEAR PLATE (1 required per assembly) |
#8 | 27-72780 | GASKET, BODY TO WEAR PLATE (2 required per assembly) |
27-72780 - Body To Wear Plate Gasket [ More info ] Unavailable |
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#9 | 19-59504 | PLUG, IMPELLER (1 required per assembly) |
#10 | 47-59362A 1 | IMPELLER ASSEMBLY (1 required per assembly) |
47-59362A 1 - Impeller Kit [ More info ] Unavailable |
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47-59362 - Impeller [ More info ] Unavailable |
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47-59362 1 - Impeller [ More info ] Unavailable |
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#11 | 28-56662 | KEY, IMPELLER DRIVE (1 required per assembly) |
#12 | 72778 | WEAR PLATE (1 required per assembly) |
94576 - Wear Plate [ More info ] Unavailable |
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#13 | 25-37340 | "O" RING, PUMP HOUSING TO INNER WEAR PLATE (1 required per assembly) |
25-37340 - O-ring, Pump Housing To Inner Wear Plate [ More info ] |
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#14 | 46-71497A 2 | PUMP HOUSING (1 required per assembly) |
46-71497A 2 - Pump Housing Assembly [ More info ] Unavailable |
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#15 | 26-23300 | OIL SEAL, WATER PUMP SHAFT (2 required per assembly) |
26-23300 - Seal - Priced Individually [ More info ] Unavailable |
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#16 | 30-72961 | BALL BEARING, WATER PUMP SHAFT (2 required per assembly) |
#17 | 59501 | SHAFT, WATER PUMP (1 required per assembly) |
59501 - Shaft [ More info ] Unavailable |
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#18 | 53-23720 | RING, SNAP - BALL BEARING RETAINING (1 required per assembly) |
#19 | 26-72785 | OIL SEAL, WATER PUMP SHAFT (1 required per assembly) |
18-0531 - Seal, 26-72785 [ More info ]
$19.99 $13.26 |
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#20 | 47530 | HUB, WATER PUMP PULLEY (1 required per assembly) |
47530 - Hub [ More info ] |
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#21 | 73798 | PULLEY, WATER PUMP (1 required per assembly) |
73798 - PULLEY [ More info ] Unavailable |
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73798A 1 - Pulley - (Black) [ More info ] Unavailable |
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#22 | 58265 | CLAMPING RING, PUMP PULLEY (1 required per assembly) |
#23 | 10-47277 | SCREW, PULLEY TO WATER PUMP (3/4") (4 required per assembly) |
#24 | 13-39107 | LOCKWASHER, WATER PUMP PULLEY SCREW (4 required per assembly) |
#25 | 47488 | BRACKET, WATER PUMP (1 required per assembly) |
47488 - Bracket [ More info ] Unavailable |
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47488A 1 - Bracket Assembly, NLA [ More info ] Unavailable |
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#25A | 12-79643 | WASHER, BRACE SCREW (FOR SLOT) (1 required per assembly) |
#26 | 10-34354 | SCREW, WATER PUMP BRACKET CLAMPING (1 required per assembly) |
#27 | 13-35048 | LOCKWASHER, WATER PUMP BRACKET SCREW (1 required per assembly) |
#28 | 10-34353 | SCREW, WATER PUMP BRACKET TO ENGINE (1") (1 required per assembly) |
#30 | 12-34714 | WASHER, WATER PUMP BRACKET SCREW (1 required per assembly) |
#31 | 47544 | BRACE, WATER PUMP ADJUSTING (1 required per assembly) |
#35 | 10-35786 | SCREW, ADJUSTING BRACE TO BRACKET SCREW (1") (1 required per assembly) |
#36 | 11-24883 | NUT, ADJUSTING BRACE SCREW (1 required per assembly) |
11-24883 - Nut (3/8-24) [ More info ] Unavailable |
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#37 | 57-74271 | BELT, WATER PUMP (1 required per assembly) |
57-74271 - V-Belt [ More info ] Unavailable |
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#38 | 22-32802 | PLUG, PIPE (FOR WATER PUMP BODY) (1 required per assembly) |
22-32802 - Plug , Priced Individually [ More info ] Unavailable |
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22-32802 1 - Plug, Brass, Priced Individually [ More info ] Unavailable |
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22-32802 2 - Brass Pipe Plug, Priced Individually [ More info ] |
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#39 | 32-86216 | HOSE, MOLDED - WATER PUMP TO TRANSMISSION COOLER (1 required per assembly) |
32-86216 - Hose, NLA [ More info ] Unavailable |
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#40 | 54-32780 | CLAMP, HOSE ATTACHING (2 required per assembly) |
54-32780 - Clamp [ More info ] Unavailable |
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