Parts for 228 MerCruiser Outdrive Units Hydraulic Pump Assembly
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| #- | 48171 | O-RING (.364. X .070) PUMP TO VALVE (SEE REF.#2) (4 required per assembly) |
| #1 | 93247A7 | PUMP ASSY-TRIM (PLASTIC RESERVOIR) Use without reference #3) (1 required per assembly) — Replaces: 88475A5, 93247A4 |
| #1 | 93247A4 | PUMP ASSEMBLY HYDRAULIC (METAL RESERVOIR) (1 required per assembly) — Replaces: 79271A4, 88475A5 |
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93247A 4 - Hydraulic Pump [ More info ] Unavailable |
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| #2 | 48171 | O-RING (.364. X .070) HYDRAULIC PUMP TO CONTROL VALVE (4 required per assembly) |
| #3 | 48077T3 | VALVE ASSY (1 required per assembly) — Replaces: 48077A3 |
| #4 | 38609 | PLUG CONTROL VALVE (1 required per assembly) |
| #5 | 21091 | SCREW CONTROL VALVE TO HYDRAULIC PUMP (1 1/8") (4 required per assembly) — Replaces: 69086 |
| #6 | 26992 | LOCKWASHER (.250) STAINLESS STEEL CONTROL VALVE SCREW (4 required per assembly) |
| #7 | 94225A1 | BRACKET ASSEMBLY HYDRAULIC PUMP MOUNTING (IN-LINE ENGINES) (1 required per assembly) |
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94225A 1 - Bracket Assembly, NLA [ More info ] Unavailable |
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| #8 | 26066 | SCREW (.312-24 X 1.75) HYDRAULIC PUMP TO BRACKET (IN-LINE ENGINES) (4 required per assembly) |
| #9 | 20546 | WASHER (.330 X .500 X .060) HYDRAULIC PUMP SCREW (IN-LINE ENGINES) (4 required per assembly) |
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12-20546 - Washer, (.330 X .500 X .060) [ More info ] Unavailable |
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| #10 | 82670911 | NUT (.312-24) STAINLESS STEEL HYDRAULIC PUMP SCREW (IN-LINE ENGINES) (4 required per assembly) — Replaces: 35814 |
| #11 | 87372 | STUD MOUNTING BRACKET TO TRANSOM PLATE (IN-LINE ENGINES) (3 required per assembly) |
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16-87372 - Stud, NLA [ More info ] Unavailable |
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| #12 | 82670911 | NUT (.312-24) STAINLESS STEEL MOUNTING BRACKET STUD (IN-LINE ENGINES) (3 required per assembly) — Replaces: 35814 |
| #13 | 862548A1 | BRACKET KIT FLOOR MOUNTING (V-8 ENGINES) (1 required per assembly) — Replaces: 88893A4, 42419A1 |
| #14 | 58491 | CHANNEL RUBBER (4.00 INCHES) PUMP MOUNTING BRACKET (V-8 ENGINES) (2 required per assembly) |
| #15 | 59784 | SCREW (.250-10 X 1.00) PUMP MOUNTING BRACKET ATTACHED (V-8 ENGINES) (6 required per assembly) |
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10-59784 - Screw [ More info ] Unavailable |
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| #16 | 8M0204649 | WASHER @10 PUMP MOUNTING BRACKET (V-8 ENGINES) (6 required per assembly) — Replaces: 29245 |
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12-8M0204649 - WASHER Note: Priced Individually [ More info ] |
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| #17 | 45377T | BRACKET TRANSOM MOUNTING (V-8 ENGINES) (2 required per assembly) — Replaces: 45377 |
| #18 | 35386 | SCREW (.312-18 X 1.00) HYDRAULIC PUMP TO MOUNTING BRACKET (V-8 ENGINES) (4 required per assembly) — Replaces: 24234 |
| #19 | 39107 | LOCKWASHER (.312-24) HYDRAULIC PUMP SCREW (V-8 ENGINES) (4 required per assembly) |
| #20 | 21908 | NUT (.312-18) CAD PLATED HYDRAULIC PUMP SCREW (V-8 ENGINES) (4 required per assembly) |
| #21 | 68298 | BOLT (.375-16 X 3.250) PUMP MOUNTING BRACKET TO TRANSOM (V-8 ENGINES) (2 required per assembly) |
| #22 | 35304 | NUT PUMP MOUNTING BRACKET SCREW (V-8 ENGINES) (2 required per assembly) |
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11-35304 - Nut, Mounting Bracket Bolt [ More info ] Unavailable |







