Parts for MerCruiser Race Engine and Drive 525 EFI Engine Components (Cylinder Block & Camshaft)
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Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
# | 27-843073A06 | GASKET/SEAL SET, Engine Overhaul (1 required per assembly) |
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#1 | 841178A05 | PARTIAL ENGINE ASSEMBLY (1 required per assembly) - NOTE: Bravo Models With Driveline Also Require Pilot Bushing Part Number 23-823108 |
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841178A05 - Partial Engine Assembly [ More info ] Unavailable |
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#2 | 22-32561 | PLUG, Pipe - Allen Head (.250-18), Oil Gallery Rear Cam Plugs (3 required per assembly) |
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22-8M0204652 - PLUG @2 [ More info ] Unavailable |
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#3 | 17-843379 | PIN, Dowel (.6206/.6211 x 1.20), Flywheel Housing (2 required per assembly) |
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17-843379 - Pin -Dowel [ More info ] Unavailable |
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#4 | 22-32802 2 | PLUG, Pipe (.125-27) Brass (1 required per assembly) |
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22-32802 2 - Brass Pipe Plug, Priced Individually [ More info ] |
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#5 | 805218T | SENSOR, Coolant Temperature (1 required per assembly) |
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#6 | 19-8M0007929 | PLUG, Block Off (1 required per assembly) |
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#7 | 17-843378 | PIN, Dowel (.250) Bottom Of Block (2 required per assembly) |
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#8 | 22-36373 | PLUG, (.375-18) Hex - Steel (1 required per assembly) - NOTE: Bottom Of Block Oil Plug |
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22-36373 - Plug [ More info ] Unavailable |
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#9 | 22-64013 | FITTING, (.375 Male To .125 Female) (1 required per assembly) |
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#10 | 881879011 | SENSOR, Pressure (0 - 100 PSI), Oil Pressure (1 required per assembly) |
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881879011 - Pressure Sensor [ More info ] Unavailable |
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#11 | 22-36382 | FITTING, (.250-18 x .62) Brass, Lower Side Of Block (2 required per assembly) |
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18-4256 - Plug, 1/4 Inch Brass, Sold Individually [ More info ] |
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#12 | 19-34270 | EXPANSION PLUG, (1.625) (6 required per assembly) |
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#13 | 17-52190 | PIN (4 required per assembly) |
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#14 | 17-843143 | PIN, Spring, Port Side - Timing Cover (1 required per assembly) |
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17-843143 - Pin, Spring, Port Side - Timing Cover [ More info ] |
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#16 | 845606 | PLUG, (.250-18 x .410) Allen Head With Hole, Oil Gallery (2 required per assembly) |
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845606 - Plug [ More info ] Unavailable |
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#18 | 10-16498 | SCREW, (.375-16 x .750) Button Head - Stainless Steel (2 required per assembly) |
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#19 | 8M0001406 | PLATE, Block Off - Fuel Pump (1 required per assembly) |
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#20 | 27-34213 | GASKET, Block Off Plate (1 required per assembly) |
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#21 | 22-39072 1 | PLUG, Pipe (.125-27) Brass (1 required per assembly) |
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#23 | 10-841389 | SCREW, (.312-18 x .620) (4 required per assembly) |
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#24 | 845755 | RETAINER, Lifter Guide (1 required per assembly) |
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845755 - Retainer-LIFTER [ More info ] Unavailable |
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#25 | 845756T | SHEILD, Oil Intake (1 required per assembly) |
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#26 | 881669 | DRIVE, Oil Pump (1 required per assembly) |
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881669 - Drive - Oil Pump [ More info ] Unavailable |
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8M0045287 - Drive-Oil Pump [ More info ] Unavailable |
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8M0099549 - 8M0099549 - DRIVER Oil Pump [ More info ] Unavailable Replaced by -8M0114791 |
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#27 | 10-35386 | SCREW, (.312-18 x 1.00) (1 required per assembly) |
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#28 | 12-56720 | WASHER, (.330 x .750 x .060) Stainless Steel (1 required per assembly) |
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12-56720 - Washer, (.330 X .750 X .060) Stainless Steel [ More info ] |
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#29 | 19-94140 | EXPANSION PLUG (1 required per assembly) |
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#30 | 845754 | GUIDE, Lifter (8 required per assembly) |
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#31 | 849947T | LIFTER (16 required per assembly) |
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849947T - LIFTER [ More info ] Unavailable |
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#32 | 2409-840919T | CAMSHAFT (1 required per assembly) |
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2409-840919T - 8M0043065 [ More info ] Unavailable |
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#33 | 23-85684 | BEARING SET (1 required per assembly) |
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#35 | 845941 | RETAINER, Gear Thrust (1 required per assembly) |
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#36 | 10-845943 | SCREW, (.250-20 x .500) (2 required per assembly) |
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#37 | 8M8023355 | TIMING SET KIT (1 required per assembly) |
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#38 | NSS | NOT SOLD SEPARATE, Crankshaft Sprocket (1 required per assembly) |
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NSS - NOT SOLD SEPARATE [ More info ] Unavailable |
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#40 | 8M0000102 | WHEEL, Sensor Target (1 required per assembly) |
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8M0000102 - WHEEL-TARGET [ More info ] Unavailable |
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#41 | 10-845942 | SCREW, (.312-18 x .750) (3 required per assembly) |
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10-845942 - Screw [ More info ] Unavailable |
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