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Parts for MerCruiser Race Engine and Drive 525 EFI Engine Components (Crankshaft / Piston / Connecting Rods)

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 700-8M0005739 PISTON ASSEMBLY, Standard (8 required per assembly)
PISTON ASSEMBLY S 700-8M0005739  
700-8M0005739OEM Part 700-8M0005739 - Piston Assembly - Std (more info) About Mercury Marine $201.69 $201.69 Add to shopping cart
Available to order:
Usually ships
within 8 days
#1 798-842266A02 PISTON KIT, .003 Oversize (8 required per assembly)
PISTON KIT .003 O 798-842266A02  
798-842266A02OEM Part 798-842266A02 - Piston/Rings -.003 (more info) About Mercury Marine $246.82 $246.82 Add to shopping cart
Available to order:
Usually ships
within 8 days
#2 41-848819T PIN, Piston (8 required per assembly)
PIN Piston 41-848819T 41-848819T
41-848819TOEM Part 41-848819T - Piston Pin (more info) About Mercury Marine $16.45 $16.45 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 39-827660T RING SET, Piston - Standard (8 required per assembly)
RING SET Piston - 39-827660T 39-827660T
39-827660TOEM Part 39-827660T - Rings - Standard (more info) About Mercury Marine $102.00 $102.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#4 614-8M8020323 CONNECTING ROD ASSEMBLY (8 required per assembly)
CONNECTING ROD AS 614-8M8020323  
614-8M8020323OEM Part 614-8M8020323 - Connecting Rod Assembly (more info) About Mercury Marine $262.50 $262.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 10-8M0000838 SCREW, Special (16 required per assembly)
SCREW Special 10-8M0000838 10-8M0000838
10-8M0000838OEM Part 10-8M0000838 - Screw (more info) About Mercury Marine $26.94 $26.94 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 23-8M0030217 BEARING SET, Connecting Rod - Standard (8 required per assembly)
BEARING SET Conne 23-8M0030217 23-8M0030217
23-8M0030217OEM Part 23-8M0030217 - Bearing Set - Std (more info) About Mercury Marine $35.25 $35.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 23-8M0030218 BEARING SET, Connecting Rod - .001 Oversize (AR required per assembly)
BEARING SET Conne 23-8M0030218 23-8M0030218
23-8M0030218OEM Part 23-8M0030218 - Bearing Set - .001 Os (more info) About Mercury Marine $37.00 $37.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 23-8M0030216 BEARING SET, Connecting Rod - .001 Undersize (AR required per assembly)
BEARING SET Conne 23-8M0030216 23-8M0030216
23-8M0030216OEM Part 23-8M0030216 - Bearing Set - .001 Us (more info) About Mercury Marine $36.42 $36.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 23-8M0030982 BEARING SET, Connecting Rod - .010 Undersize (AR required per assembly)
BEARING SET Conne 23-8M0030982 238M0030982
238M0030982OEM Part 238M0030982 - Bearing Set-.010 Note: Must be ordered in multiples of 8 (more info) About Mercury Marine $40.00 $40.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 23-842400 BEARING SET, Main - Standard (1 required per assembly)
BEARING KIT-STD   O - Replaced by 23-8M0051198 23-842400
23-842400This part has been superseded. BEARING KIT-STD O - Replaced by 23-8M0051198
(more info)
    UnavailableUnavailable Parts
BEARING SET Main 23-8M0051198 23-8M0051198
23-8M0051198OEM Part 23-8M0051198 - Bearing Kit-STD (more info) About Mercury Marine $296.38 $296.38 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 23-842401 BEARING SET, Main - .001 Oversize (AR required per assembly)
BRG KIT-.001 OS   O - Replaced by 23-8M0053743 23-842401
23-842401This part has been superseded. BRG KIT-.001 OS O - Replaced by 23-8M0053743
(more info)
    UnavailableUnavailable Parts
BEARING SET Main 23-8M0053743 23-8M0053743
23-8M0053743OEM Part 23-8M0053743 - Bearing Kit-.001 OS (more info) About Mercury Marine $240.67 $240.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 23-842402 BEARING SET, Main - .001 Undersize (AR required per assembly)
BEARING SET Main 23-842402 23-842402
23-842402OEM Part 23-842402 - Bearing Kit -.001 Us (more info) About Mercury Marine $320.25 $320.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 23-842403 BEARING SET, Main - .010 Undersize (AR required per assembly)
BRG KIT-.010 US   O - Replaced by 23-8M0053549 23-842403
23-842403This part has been superseded. BRG KIT-.010 US O - Replaced by 23-8M0053549
(more info)
    UnavailableUnavailable Parts
BEARING SET Main 23-8M0053549 23-8M0053549
23-8M0053549OEM Part 23-8M0053549 - Bearing Kit-.010 US (more info) About Mercury Marine $183.97 $183.97 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 28-845607 KEY, Crankshaft (1 required per assembly)
KEY 28-845607 28-845607
28-845607OEM Part 28-845607 - Key (more info) About Mercury Marine $4.30 $4.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 400-842271T01 CRANKSHAFT ASSEMBLY (1 required per assembly)
CRANKSHAFT ASSY   O - Replaced by 400-8M0083276  
400-842271T01This part has been superseded. CRANKSHAFT ASSY O - Replaced by 400-8M0083276
(more info)
    UnavailableUnavailable Parts
CRANKSHAFT 400-8M0083276  
4008M0083276OEM Part 4008M0083276 - Crankshaft (more info) About Mercury Marine $2,230.56 $2,230.56 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 17-43504 PIN, Dowel (1 required per assembly)
PIN Dowel 17-43504  
17-43504OEM Part 17-43504 - Pin -Dowel (more info) About Mercury Marine $4.90 $4.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 25-69756 O-RING, (.549 x .103), Number 5 Bearing Cap Oil Hole (1 required per assembly)
O-RING (.549 x .1 25-69756  
25-69756OEM Part 25-69756 - O-Ring (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 26-811554 SEAL, Oil (1 required per assembly)
SEAL 26-811554 26-811554
26-811554OEM Part 26-811554 - Seal (more info) About Mercury Marine $80.92 $80.92 Add to shopping cart
1 in stock. Explain stock levels
Rear Main Seal, 18-1234
18-1234OEM Match 18-1234 - Seal, 26-811554, 3853528 (more info)
Replaces OEM #3853528
About Sierra Marine $73.99 $58.86 Add to shopping cart
1 in stock. Explain stock levels
#13 23-823108 BUSHING, Crankshaft Pilot (1 required per assembly) Driveline Models-Bravo
BUSHING Crankshaf 23-823108  
23-823108OEM Part 23-823108 - Bushing (more info) About Mercury Marine $95.48 $95.48 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 23-8M0000965 BUSHING, Crankshaft Pilot (1 required per assembly) NXT1
BUSHING Crankshaf 23-8M0000965  
23-8M0000965OEM Part 23-8M0000965 - Bushing (more info) About Mercury Marine $42.64 $42.64 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 230-843374T 1 FLYWHEEL (1 required per assembly) Bravo
FLYWHEEL 230-843374T 1  
230-843374T 1OEM Part 230-843374T 1 - Flywheel (more info) About Mercury Marine $447.79 $447.79 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 10-845757 SCREW, (.437-20 x 1.00) (6 required per assembly)
SCREW (.437-20 x 10-845757 10-845757
10-845757OEM Part 10-845757 - Screw (more info) About Mercury Marine $4.10 $4.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 861523A 9 COUPLER ASSEMBLY, Engine - Short Aluminum Hub (1 required per assembly) Driveline Models-Bravo
COUPLER ASSY      O - Replaced by -8M0098795 861523A 9
861523A 9This part has been superseded. COUPLER ASSY O - Replaced by -8M0098795
(more info)
    UnavailableUnavailable Parts
COUPLER ASSEMBLY 8M0098795  
8M0098795OEM Part 8M0098795 - Coupler Assembly (more info) About Mercury Marine $583.25 $583.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
Engine Coupler 18-2412
18-2412OEM Match 18-2412 - Coupler, Bravo (more info) About Sierra Marine $537.76 $455.41 Add to shopping cart
4 in stock. Explain stock levels
#16 861523A18 COUPLER ASSEMBLY, Engine - Short Steel Hub (OPT required per assembly) Driveline Models-Bravo
COUPLER ASSY      O - Replaced by -8M0098797  
861523A18This part has been superseded. COUPLER ASSY O - Replaced by -8M0098797
(more info)
    UnavailableUnavailable Parts
COUPLER ASSY      O  
8M0098797 COUPLER ASSY O
(more info)
    UnavailableUnavailable Parts
#17 22-49099 FITTING (2 required per assembly) Driveline Models-Bravo
FITTING 22-49099  
22-49099OEM Part 22-49099 - Fitting (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 10-863480 SCREW, (.375-16 x 1.125) (6 required per assembly) Bravo
SCREW (.375-16 x 10-863480 10-863480
10-863480OEM Part 10-863480 - Screw (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 10-8M0005491 SCREW, (.375-24 x 1.060) Black Oxide (8 required per assembly) NXT1
SCREW (.375-24 x 10-8M0005491 10-8M0005491
10-8M0005491OEM Part 10-8M0005491 - Screw (more info) About Mercury Marine $17.46 $17.46 Add to shopping cart
Available to order:
Usually ships
within 8 days
#19 899736T COUPLING ASSEMBLY, Engine (1 required per assembly) NXT1
COUPLING ASSEMBLY 899736T  
899736TOEM Part 899736T - Coupling Assembly (more info) About Mercury Marine $1,164.40 $1,164.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 861523A20 COUPLER ASSEMBLY, Engine - Long Steel Hub (1 required per assembly) - Bravo Models
COUPLER ASSY      O - Replaced by -8M0098798  
861523A20This part has been superseded. COUPLER ASSY O - Replaced by -8M0098798
(more info)
    UnavailableUnavailable Parts
COUPLER ASSY 8M0098798  
8M0098798OEM Part 8M0098798 - Coupler Assembly (more info) About Mercury Marine $577.27 $577.27 Add to shopping cart
Available to order:
Usually ships
within 8 days
#21 22-74036 FITTING, Grease (1 required per assembly)
FITTING Grease 22-74036  
22-74036OEM Part 22-74036 - Fitting - Priced Individually (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
6 in stock. Explain stock levels
#22 230-899735T FLYWHEEL (1 required per assembly) NXT1
FLYWHEEL 230-899735T  
230-899735TOEM Part 230-899735T - Flywheel (more info) About Mercury Marine $605.20 $605.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 27-843073A06 GASKET/SEAL SET, Engine Overhaul (1 required per assembly)
GASKET/SEAL SET E 27-843073A06 27-843073A06
27-843073A06OEM Part 27-843073A06 - Gasket/Seal Set (more info) About Mercury Marine $928.01 $928.01 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 841178A05 PARTIAL ENGINE ASSEMBLY (1 required per assembly)
PARTIAL ENGINE AS 841178A05  
841178A05OEM Part 841178A05 - Partial - 525 Efi (more info) About Mercury Marine $16,767.20 $16,767.20 Add to shopping cart
Available to order:
Usually ships
within 8 days