Parts for MerCruiser Race Engine and Drive 525 EFI Engine Components (Crankshaft / Piston / Connecting Rods)
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
| # | 841178A05 | PARTIAL ENGINE ASSEMBLY (1 required per assembly) |
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841178A05 - Partial Engine Assembly [ More info ] Unavailable |
| # | 27-843073A06 | GASKET/SEAL SET, Engine Overhaul (1 required per assembly) - NOTE: See Gasket/Seal Set - Engine Overhaul Section For Complete Parts Listing |
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27-843073A06 - Engine Overhaul Gasket Set [ More info ]
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| #1 | 700-8M0005739 | PISTON ASSEMBLY, Standard (8 required per assembly) |
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700-8M0005739 - Piston Assembly - Std [ More info ]
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| #1 | 798-842266A02 | PISTON KIT, .003 Oversize (8 required per assembly) |
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798-842266A02 - Piston/Rings -.003 [ More info ]
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| #1 | 737-827665A 1 | PISTON ASSEMBLY, .030 Oversize (8 required per assembly) - NOTE: Piston Wrist Pins That Come With Piston Must Be Replaced With This Part 41-848819T |
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737-827665A 1 - Piston/Rings -.030 [ More info ] Unavailable |
| #2 | 41-848819T | PIN, Piston (8 required per assembly) |
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41-848819T - Piston Pin [ More info ]
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| #3 | 39-827660 | RING SET, Piston - Standard (8 required per assembly) |
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39-827660 - Ring Set-STD [ More info ] Unavailable |
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39-827660T - Rings - Standard [ More info ]
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| #3 | 39-852935 | RING SET, Piston - .030 Oversize (8 required per assembly) |
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39-852935 - Rings - 2-.030, NLA [ More info ]
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| #4 | 614-8M8020323 | CONNECTING ROD ASSEMBLY (8 required per assembly) |
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614-8M8020323 - Connecting Rod Assembly [ More info ]
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| #5 | 10-8M0000838 | SCREW, Special (16 required per assembly) |
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10-8M0000838 - Screw [ More info ]
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| #6 | 23-841447 | BEARING SET, Connecting Rod - Standard (8 required per assembly) |
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23-841447 - Bearing Set - Connecting Rod - Standard [ More info ] Unavailable |
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23-8M0030217 - Bearing Set - Std [ More info ]
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| #6 | 23-841448 | BEARING SET, Connecting Rod - .001 Oversize (AR required per assembly) |
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23-841448 - BRG SET-.001 OS [ More info ] Unavailable |
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23-8M0030218 - Bearing Set - .001 Os [ More info ]
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| #6 | 23-841449 | BEARING SET, Connecting Rod - .001 Undersize (AR required per assembly) |
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23-841449 - BRG SET-.001 US [ More info ] Unavailable |
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23-8M0030216 - Bearing Set - .001 Us [ More info ]
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| #6 | 23-841450 | BEARING SET, Connecting Rod - .010 Undersize (AR required per assembly) |
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23-841450 - BRG SET-.010 Note: Priced Individually [ More info ] Unavailable |
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238M0030982 - Bearing Set-.010 , Priced Individually [ More info ]
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| #7 | 23-842400 | BEARING SET, Main - Standard (1 required per assembly) |
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23-842400 - Bearing Set - Main - Standard [ More info ] Unavailable |
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23-8M0051198 - Bearing Kit-STD [ More info ]
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| #7 | 23-842401 | BEARING SET, Main - .001 Oversize (AR required per assembly) |
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23-842401 - BRG KIT-.001 OS [ More info ] Unavailable |
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23-8M0053743 - Bearing Kit-.001 OS [ More info ]
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| #7 | 23-842402 | BEARING SET, Main - .001 Undersize (AR required per assembly) |
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23-842402 - Bearing Set - Main - .001 Undersize [ More info ]
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| #7 | 23-842403 | BEARING SET, Main - .010 Undersize (AR required per assembly) |
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23-842403 - BRG KIT-.010 US [ More info ] Unavailable |
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23-8M0053549 - Bearing Kit-.010 US [ More info ]
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| #8 | 28-845607 | KEY, Crankshaft (1 required per assembly) |
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| #9 | 400-842271T01 | CRANKSHAFT ASSEMBLY (1 required per assembly) |
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400-842271T01 - CrankShaft Assembly [ More info ] Unavailable |
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4008M0083276 - CrankShaft [ More info ] Unavailable |
| #10 | 17-43504 | PIN, Dowel (1 required per assembly) |
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17-43504 - Pin, Dowel (.25 Inch) [ More info ]
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| #11 | 25-69756 | O-RING, (.549 x .103), Number 5 Bearing Cap Oil Hole (1 required per assembly) |
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25-69756 - O-ring, (.549 X .103) [ More info ]
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| #12 | 26-811554 | SEAL, Oil (1 required per assembly) |
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26-811554 - Seal [ More info ]
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| #13 | 23-823108 | BUSHING, Crankshaft Pilot (1 required per assembly) - Driveline Models |
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23-823108 - Bushing [ More info ]
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| #14 | 230-843374T 1 | FLYWHEEL (1 required per assembly) |
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230-843374T 1 - Flywheel [ More info ]
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| #15 | 10-845757 | SCREW, (.437-20 x 1.00) (6 required per assembly) |
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10-845757 - Screw [ More info ]
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10-8M0214958 - FLYWHEEL MOUNTING SCREW ZZ [ More info ]
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| #16 | 816618 | DRIVEPLATE ASSEMBLY (1 required per assembly) - Six Drive Models |
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816618 - DRIVEPLATE [ More info ] Unavailable |
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8M0051206 - DrivePlate [ More info ]
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| #17 | 861523A 9 | COUPLER ASSEMBLY, Engine - Short Aluminum Hub (1 required per assembly) - Driveline Models |
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861523A 9 - Coupler Assembly [ More info ] Unavailable |
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8M0098795 - Coupler Assembly [ More info ]
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| #17 | 861523A18 | COUPLER ASSEMBLY, Engine - Short Steel Hub (1 required per assembly) - Driveline Models |
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861523A18 - Coupler Assembly [ More info ] Unavailable |
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8M0098797 - Coupler Assembly [ More info ] Unavailable |
| #18 | 22-49099 | FITTING (2 required per assembly) |
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22-49099 - Fitting [ More info ] Unavailable |
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22-8M0169590 - FITTING [ More info ] Unavailable |
| #19 | 10-863480 | SCREW, (.375-16 x 1.125) (6 required per assembly) |
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10-863480 - Screw [ More info ]
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| #20 | 861523A20 | COUPLER ASSEMBLY, Engine - Long Steel Hub (1 required per assembly) - Bravo Models |
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861523A20 - Coupler Assembly [ More info ] Unavailable |
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8M0098798 - Coupler Assembly [ More info ]
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| #21 | 22-74036 | FITTING, Grease (1 required per assembly) |
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22-74036 - Fitting - Priced Individually [ More info ]
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228M0169589 - FITTING Note: Priced Individually [ More info ]
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