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Parts for MerCruiser Race Engine and Drive 525 SC - Gen. VI Crankshaft / Pistons / Connecting Rods

#1 798-817114 PISTON ASSEMBLY, Standard (8 required per assembly)
PISTON ASSEMBLY   O NLA
798-817114

About Mercury Marine

OEM Part

PISTON ASSEMBLY O NLA [ More info ]
Unavailable
#2 39-67127 RING SET, Piston - Standard (8 required per assembly)
RING SET Piston - S 39-67127
39-67127

About Mercury Marine

OEM Part

39-67127 - Rings - Standard [ More info ]

Add to shopping cart $49.00 $39.69
10+ in stock. Explain stock levels

Piston Rings Std
18-3940

About Sierra Marine

OEM Match

18-3940 - Rings, 39-67927 [ More info ]

Add to shopping cart $52.74 $42.19
5 in stock. Explain stock levels

#1 798-817114A 1 PISTON ASSEMBLY, .030 Oversize (8 required per assembly)
PISTON ASSEMBLY   O - Replaced by 798-817114T 1
 

This part has been superseded.

798-817114A 1 - PISTON ASSEMBLY O [ More info ]
Unavailable
Replaced by 798-817114T 1
PISTON ASY-.030OS O NLA
 

About Mercury Marine

OEM Part

PISTON ASY-.030OS O NLA [ More info ]
Unavailable
#2 39-848350030 RING SET, Piston - .030 Oversize (8 required per assembly)
RING SET 39-848350030
39-848350030

About Mercury Marine

OEM Part

39-848350030 - Rings [ More info ]

Add to shopping cart $300.00
6 in stock. Explain stock levels

#3 23-818473 BEARING SET, Main (Standard) (1 required per assembly)
BEARING SET Main  O - Replaced by 23-818473001
23-818473

This part has been superseded.

23-818473 - BEARING SET Main O [ More info ]
Unavailable
Replaced by 23-818473001
BEARING SET-STD 23-818473001
23-818473001

About Mercury Marine

OEM Part

23-818473001 - Bearing Set - Std [ More info ]

Add to shopping cart $146.83
Available to order: Usually ships within 8 days. Explain stock levels

Std. Main Bearings
18-1315

About Sierra Marine

OEM Match

18-1315 - Main Bearing, 23-818473 [ More info ]

Add to shopping cart $148.49
1 in stock. Explain stock levels

#3 23-818474 BEARING SET, Main (.001 Undersize) (AR required per assembly)
BEARING SET Main - .001 23-818474
23-818474

About Mercury Marine

OEM Part

23-818474 - Bearing Set - .001 Us [ More info ]

Add to shopping cart $119.33
Available to order: Usually ships within 8 days. Explain stock levels

#3 23-818475 BEARING SET, Main (.002 Undersize) (AR required per assembly)
BRG SET-.002 US 23-818475
23-818475

About Mercury Marine

OEM Part

23-818475 - Bearing Set - .002 Us [ More info ]

Add to shopping cart $158.30
1 in stock. Explain stock levels

#3 23-818476 BEARING SET, Main (.010 Undersize) (AR required per assembly)
BEARING SET Main  O - Replaced by 23-818476001
23-818476

This part has been superseded.

23-818476 - BEARING SET Main O [ More info ]
Unavailable
Replaced by 23-818476001
BEARING SET Main - .010 23-818476001
23-818476001

About Mercury Marine

OEM Part

23-818476001 - Bearing Set - .010 Us [ More info ]

Add to shopping cart $150.84
Available to order: Usually ships within 8 days. Explain stock levels

#3 23-818477 BEARING SET, Main (.020 Undersize) (AR required per assembly)
BEARING SET Main - .020 23-818477
23-818477

About Mercury Marine

OEM Part

23-818477 - Bearing Set - .020 Us [ More info ]

Add to shopping cart $147.50
Available to order: Usually ships within 8 days. Explain stock levels

Main Bearing
18-1314

About Sierra Marine

OEM Match

18-1314 - .020 Main Bearings - Special Order - No Returns [ More info ]

Add to shopping cart $82.69
In stock - special order item. Explain stock levels

#4 17-35312 PIN, Dowel (.250 Diameter) (1 required per assembly)
PIN Dowel (1/4 In O - Replaced by 17-843378
 

This part has been superseded.

17-35312 - PIN Dowel (1/4 In O [ More info ]
Unavailable
Replaced by 17-843378
PIN Dowel 17-843378
 

About Mercury Marine

OEM Part

17-843378 - Pin -Dowel [ More info ]

Add to shopping cart $11.70
1 in stock. Explain stock levels

#5 26-811554 SEAL, Oil (1 required per assembly)
SEAL 26-811554
26-811554

About Mercury Marine

OEM Part

26-811554 - Seal [ More info ]

Add to shopping cart $82.92
4 in stock. Explain stock levels

Rear Main Seal,
18-1234

About Sierra Marine

OEM Match

18-1234 - Seal, 26-811554, 3853528 [ More info ]

Add to shopping cart $73.99 $58.86
1 in stock. Explain stock levels

#6 230-811561 FLYWHEEL (1 required per assembly)
FLYWHEEL          O - Replaced by 230-843374T 1
 

This part has been superseded.

230-811561 - FLYWHEEL O [ More info ]
Unavailable
Replaced by 230-843374T 1
FLYWHEEL 230-843374T 1
 

About Mercury Marine

OEM Part

230-843374T 1 - Flywheel [ More info ]

Add to shopping cart $459.00
Available to order: Usually ships within 8 days. Explain stock levels

#7 230-811563 FLYWHEEL (1 required per assembly) - Driveline Models - Gen VI
FLYWHEEL          O - Replaced by 230-811563  1
 

This part has been superseded.

230-811563 - FLYWHEEL O [ More info ]
Unavailable
Replaced by 230-811563 1
FLYWHEEL 230-811563  1
 

About Mercury Marine

OEM Part

230-811563 1 - Flywheel [ More info ]

Add to shopping cart $449.53
1 in stock. Explain stock levels

#8 10-49845 SCREW, (.437-20 x 1.00) (6 required per assembly)
10845757 10-49845
 

About Mercury Marine

OEM Part

10-49845 - Screw [ More info ]

Add to shopping cart $2.10
2 in stock. Explain stock levels

SCREW (.437-20 x 1.00) 10-845757
10-845757

About Mercury Marine

OEM Part

10-845757 - Screw [ More info ]

Add to shopping cart $4.20
Available to order: Usually ships within 8 days. Explain stock levels

#9 18311A17 COUPLER ASSEMBLY, Engine (1 required per assembly) - Design I
COUPLER ASSEMBLY  O - Replaced by -861523A 9
18311A17

This part has been superseded.

18311A17 - COUPLER ASSEMBLY O [ More info ]
Unavailable
Replaced by -861523A 9
COUPLER ASSEMBLY  O - Replaced by -8M0098795
861523A 9

This part has been superseded.

861523A 9 - COUPLER ASSEMBLY O [ More info ]
Unavailable
Replaced by -8M0098795
COUPLER ASSEMBLY 8M0098795
8M0098795

About Mercury Marine

OEM Part

8M0098795 - Coupler Assembly [ More info ]

Add to shopping cart $599.92
In stock Explain stock levels

Engine Coupler
18-2412

About Sierra Marine

OEM Match

18-2412 - Coupler, Bravo [ More info ]

Add to shopping cart $537.76 $455.41
5 in stock. Explain stock levels

#9 861523A 9 COUPLER ASSEMBLY, Engine - Aluminum Hub (1 required per assembly) - Design II
#9 861523A18 COUPLER ASSEMBLY, Engine - Steel Hub (1 required per assembly) - Design III
COUPLER ASSEMBLY  O - Replaced by -8M0098797
 

This part has been superseded.

861523A18 - COUPLER ASSEMBLY O [ More info ]
Unavailable
Replaced by -8M0098797
COUPLER ASSY      O
 

About Mercury Marine

OEM Part

COUPLER ASSY O [ More info ]
Unavailable
#10 10-35091 SCREW, (.375-16 x 1.00) (6 required per assembly)
SCREW (.375-16 x 1.00) 10-35091
10-35091

About Mercury Marine

OEM Part

10-35091 - Screw - Priced Individually [ More info ]

Add to shopping cart $12.10
Available to order: Usually ships within 8 days. Explain stock levels

#11 12-20572 WASHER, (.390 x .750 x .093) (6 required per assembly)
WASHER (.390 x .750 x . 12-20572
 

About Mercury Marine

OEM Part

12-20572 - Washer [ More info ]

Add to shopping cart $1.10 $0.62
8 in stock. Explain stock levels

#12 22-49099 FITTING, Grease (2 required per assembly)
FITTING 22-49099
 

About Mercury Marine

OEM Part

22-49099 - Fitting [ More info ]

Add to shopping cart $3.60
Available to order: Usually ships within 8 days. Explain stock levels

#13 614-9641 CONNECTING ROD ASSEMBLY (8 required per assembly)
CONNECTING ROD AS O - Replaced by 614-9641T
 

This part has been superseded.

614-9641 - CONNECTING ROD AS O [ More info ]
Unavailable
Replaced by 614-9641T
CONNECTING ROD AS O - Replaced by 614-8M0084554
 

This part has been superseded.

614-9641T - CONNECTING ROD AS O [ More info ]
Unavailable
Replaced by 614-8M0084554
CONN ROD ASSY 614-8M0084554
 

About Mercury Marine

OEM Part

6148M0084554 - Connecting Rod Assembly [ More info ]

Add to shopping cart $364.34
Available to order: Usually ships within 8 days. Explain stock levels

#14 10-19234 SCREW, (.437-20), Connecting Rod Cap (16 required per assembly)
SCREW 10-19234
10-19234

About Mercury Marine

OEM Part

10-19234 - Screw [ More info ]

Add to shopping cart $6.91
10+ in stock. Explain stock levels

#15 11-37493 NUT, (.375-24), Connecting Rod Cap Bolt (16 required per assembly)
NUT 11-37493
11-37493

About Mercury Marine

OEM Part

11-37493 - Nut [ More info ]

Add to shopping cart $2.00
1 in stock. Explain stock levels

#16 23-85726 BEARING SET, Conn Rod (Standard) (8 required per assembly)
2385726001 23-85726
23-85726

About Mercury Marine

OEM Part

23-85726 - Bearing Set - Std [ More info ]

Add to shopping cart $10.93
1 in stock. Explain stock levels

BEARING SET Conn Rod - 23-85726001
23-85726001

About Mercury Marine

OEM Part

23-85726001 - Bearing Set - Std [ More info ]

Add to shopping cart $20.33
Available to order: Usually ships within 8 days. Explain stock levels

Std. Rod Bearings
18-1334

About Sierra Marine

OEM Match

18-1334 - Rod Bearing, 23-85726 [ More info ]

Add to shopping cart $20.49 $16.12
10+ in stock. Explain stock levels

#16 23-85727 BEARING SET, Conn Rod (.001 Undersize) (AR required per assembly)
BEARING SET Connecting 23-85727
23-85727

About Mercury Marine

OEM Part

23-85727 - Bearing Set - .001 Us [ More info ]

Add to shopping cart $19.92
2 in stock. Explain stock levels

#16 23-85728 BEARING SET, Conn Rod (.002 Undersize) (AR required per assembly)
BRG SET-.002 US,NLA 23-85728
23-85728

About Mercury Marine

OEM Part

23-85728 - Bearing Set - .002 Us, NLA [ More info ]

Add to shopping cart $9.50
10+ in stock. Explain stock levels

#16 23-85691 BEARING SET, Conn Rod (.010 Undersize) (AR required per assembly)
BEARING SET Connecting 23-85691
23-85691

About Mercury Marine

OEM Part

23-85691 - Bearing Set - .010 Us [ More info ]

Add to shopping cart $16.75
Available to order: Usually ships within 8 days. Explain stock levels

Rod Bearing
18-1333

About Sierra Marine

OEM Match

18-1333 - Rod Bearing, 23-85691 - Special Order - No Returns [ More info ]

Add to shopping cart $25.89
In stock - special order item. Explain stock levels

#16 23-85729 BEARING SET, Conn Rod (.020 Undersize) (AR required per assembly)
BEARING SET Connecting 23-85729
23-85729

About Mercury Marine

OEM Part

23-85729 - Bearing Set - .020 Us [ More info ]

Add to shopping cart $15.59
Available to order: Usually ships within 8 days. Explain stock levels

#17 429-811552 CRANKSHAFT (1 required per assembly)
CRANKSHAFT 429-811552
 

About Mercury Marine

OEM Part

429-811552 - CrankShaft [ More info ]

Add to shopping cart $600.00
1 in stock. Explain stock levels

#18 28-811558 KEY, Crankshaft (1 required per assembly)
KEY               O - Replaced by 28-845607
 

This part has been superseded.

28-811558 - KEY O [ More info ]
Unavailable
Replaced by 28-845607
KEY 28-845607
28-845607

About Mercury Marine

OEM Part

28-845607 - Key [ More info ]

Add to shopping cart $5.40
Available to order: Usually ships within 8 days. Explain stock levels

#19 23-49126 BUSHING, Pilot - Crankshaft (1 required per assembly) - Driveline Models Only
BUSHING 23-49126
 

About Mercury Marine

OEM Part

23-49126 - Bearing [ More info ]

Add to shopping cart $43.25
Available to order: Usually ships within 8 days. Explain stock levels

#20 25-811528 O-RING, (.500 Inch), #5 Bearing Cap Hole (1 required per assembly)
O-RING (.500 Inch O - Replaced by 25-69756
 

This part has been superseded.

25-811528 - O-RING (.500 Inch O [ More info ]
Unavailable
Replaced by 25-69756
O-RING (.549 x .103) 25-69756
 

About Mercury Marine

OEM Part

25-69756 - O-Ring [ More info ]

Add to shopping cart $2.50
Available to order: Usually ships within 8 days. Explain stock levels

#- 27-827014A97 GASKET SET, Engine Overhaul (1 required per assembly)
GASKET SET Engine O - Replaced by 27-827014A98
 

This part has been superseded.

27-827014A97 - GASKET SET Engine O [ More info ]
Unavailable
Replaced by 27-827014A98
GASKET SET        O NLA
27-827014A98

About Mercury Marine

OEM Part

GASKET SET O NLA [ More info ]
Unavailable