Parts for MerCruiser Race Engine and Drive 525 EFI Engine Components (Crankshaft / Piston / Connecting Rods)
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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) |
841178A05 - Partial Engine Assembly [ More info ] Unavailable |
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# | 27-843073A06 | GASKET/SEAL SET, Engine Overhaul (1 required per assembly) |
#1 | 700-8M0005739 | PISTON ASSEMBLY, Standard (8 required per assembly) |
#1 | 798-842266A02 | PISTON KIT, .003 Oversize (8 required per assembly) |
#2 | 41-848819T | PIN, Piston (8 required per assembly) |
#3 | 39-827660T | RING SET, Piston - Standard (8 required per assembly) |
#4 | 614-8M8020323 | CONNECTING ROD ASSEMBLY (8 required per assembly) |
#5 | 10-8M0000838 | SCREW, Special (16 required per assembly) |
#6 | 23-8M0030217 | BEARING SET, Connecting Rod - Standard (8 required per assembly) |
#6 | 23-8M0030218 | BEARING SET, Connecting Rod - .001 Oversize (AR required per assembly) |
#6 | 23-8M0030216 | BEARING SET, Connecting Rod - .001 Undersize (AR required per assembly) |
#6 | 23-8M0030982 | BEARING SET, Connecting Rod - .010 Undersize (AR required per assembly) |
238M0030982 - Bearing Set-.010 , Priced Individually [ More info ] |
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#7 | 23-842400 | BEARING SET, Main - Standard (1 required per assembly) |
23-842400 - Bearing Set - Main - Standard [ More info ] Unavailable |
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#7 | 23-842401 | BEARING SET, Main - .001 Oversize (AR required per assembly) |
23-842401 - BRG KIT-.001 OS [ More info ] Unavailable |
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#7 | 23-842402 | BEARING SET, Main - .001 Undersize (AR required per assembly) |
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) |
23-842403 - BRG KIT-.010 US [ More info ] Unavailable |
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#8 | 28-845607 | KEY, Crankshaft (1 required per assembly) |
#9 | 400-842271T01 | CRANKSHAFT ASSEMBLY (1 required per assembly) |
400-842271T01 - CrankShaft Assembly [ More info ] Unavailable |
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4008M0083276 - CrankShaft [ More info ] Unavailable |
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#10 | 17-43504 | PIN, Dowel (1 required per assembly) |
#11 | 25-69756 | O-RING, (.549 x .103), Number 5 Bearing Cap Oil Hole (1 required per assembly) |
#12 | 26-811554 | SEAL, Oil (1 required per assembly) |
#13 | 23-823108 | BUSHING, Crankshaft Pilot (1 required per assembly) Driveline Models-Bravo |
#13 | 23-8M0000965 | BUSHING, Crankshaft Pilot (1 required per assembly) NXT1 |
#14 | 230-843374T 1 | FLYWHEEL (1 required per assembly) Bravo |
#15 | 10-845757 | SCREW, (.437-20 x 1.00) (6 required per assembly) |
#16 | 861523A 9 | COUPLER ASSEMBLY, Engine - Short Aluminum Hub (1 required per assembly) Driveline Models-Bravo |
861523A 9 - Coupler Assembly [ More info ] Unavailable |
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#16 | 861523A18 | COUPLER ASSEMBLY, Engine - Short Steel Hub (OPT required per assembly) Driveline Models-Bravo |
861523A18 - Coupler Assembly [ More info ] Unavailable |
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8M0098797 - Coupler Assembly [ More info ] Unavailable |
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#17 | 22-49099 | FITTING (2 required per assembly) Driveline Models-Bravo |
22-49099 - Fitting [ More info ] Unavailable |
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22-8M0169590 - FITTING [ More info ] Unavailable |
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#18 | 10-863480 | SCREW, (.375-16 x 1.125) (6 required per assembly) Bravo |
#18 | 10-8M0005491 | SCREW, (.375-24 x 1.060) Black Oxide (8 required per assembly) NXT1 |
#19 | 899736T | COUPLING ASSEMBLY, Engine (1 required per assembly) NXT1 |
#20 | 861523A20 | COUPLER ASSEMBLY, Engine - Long Steel Hub (1 required per assembly) - Bravo Models |
861523A20 - Coupler Assembly [ More info ] Unavailable |
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#21 | 22-74036 | FITTING, Grease (1 required per assembly) |
228M0169589 - FITTING Note: Priced Individually [ More info ] |
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#22 | 230-899735T | FLYWHEEL (1 required per assembly) NXT1 |