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Parts for MerCruiser 255 Ford 351 V-8 1973-1974 Crankshaft, Piston & Connecting Rod

#1 749-5101 PISTON AND PISTON PIN ASSEMBLY (STANDARD) (8 required per assembly)
PISTON,NLA 749-5101
 

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OEM Part

749-5101 - Piston, NLA [ More info ]

Add to shopping cart $85.00
7 in stock. Explain stock levels

#1 749-5102 PISTON AND PISTON PIN ASSEMBLY (.003 OS) (AR required per assembly) USE STANDARD RING
FD# D2AZ-6108-R   O NLA
 

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OEM Part

FD# D2AZ-6108-R O NLA [ More info ]
Unavailable
#1 749-5103 PISTON AND PISTON PIN ASSEMBLY (.020 OS) (AR required per assembly)
FD# D2AZ-6108-S   O NLA
 

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OEM Part

FD# D2AZ-6108-S O NLA [ More info ]
Unavailable
#2 39-56114 RING ASSEMBLY, PISTON (STANDARD) (8 required per assembly) EACH PART NUMBER INCLUDES ENOUGH RINGS TO RERING 2 PISTONS
PISTON RING SET,NLA 39-56114
 

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OEM Part

39-56114 - Piston Rings, NLA [ More info ]

Add to shopping cart $20.00
10+ in stock. Explain stock levels

#2 39-56115 RING ASSEMBLY, PISTON (.020 OS) (AR required per assembly) EACH PART NUMBER INCLUDES ENOUGH RINGS TO RERING 2 PISTONS
RING SET,NLA 39-56115
 

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OEM Part

39-56115 - Rings, NLA [ More info ]

Add to shopping cart $44.00
10+ in stock. Explain stock levels

#3 623-5104 CONNECTING ROD ASSEMBLY (8 required per assembly)
Part,NLA 623-5104
 

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OEM Part

623-5104 - Connecting Rod Assembly [ More info ]

Add to shopping cart $70.00
5 in stock. Explain stock levels

#4 10-64770 BOLT, CONNECTING ROD (16 required per assembly)
SCREW             O NLA
 

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OEM Part

SCREW O NLA [ More info ]
Unavailable
#5 11-64769 NUT, CONNECTING ROD BOLT (16 required per assembly)
NUT,NLA 11-64769
 

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OEM Part

11-64769 - Nut, NLA [ More info ]

Add to shopping cart $5.00
4 in stock. Explain stock levels

#6 23-64764 BEARING UNIT, CONNECTING ROD (STANDARD) (8 required per assembly)
BEARING           O - Replaced by 23-85744
 

This part has been superseded.

23-64764 - BEARING O [ More info ]
Unavailable
Replaced by 23-85744
BEARING,NLA 23-85744
 

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OEM Part

23-85744 - Bearing, NLA [ More info ]

Add to shopping cart $7.00
4 in stock. Explain stock levels

#6 23-64765 BEARING UNIT, CONNECTING ROD (.001 US) (AR required per assembly)
BEARING           O - Replaced by 23-85745
 

This part has been superseded.

23-64765 - BEARING O [ More info ]
Unavailable
Replaced by 23-85745
BEARING           O NLA
 

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OEM Part

BEARING O NLA [ More info ]
Unavailable
#6 23-64766 BEARING UNIT, CONNECTING ROD (.002 US) (AR required per assembly)
BEARING           O NLA
 

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OEM Part

BEARING O NLA [ More info ]
Unavailable
#6 23-64767 BEARING UNIT, CONNECTING ROD (.010 US) (AR required per assembly)
BEARING           O - Replaced by 23-85746
 

This part has been superseded.

23-64767 - BEARING O [ More info ]
Unavailable
Replaced by 23-85746
BEARING,NLA 23-85746
 

About Mercury Marine

OEM Part

23-85746 - Bearing, NLA [ More info ]

Add to shopping cart $8.00
10+ in stock. Explain stock levels

#6 23-64768 BEARING UNIT, CONNECTING ROD (.020 US) (AR required per assembly)
NLA               O - Replaced by 23-85747
 

This part has been superseded.

23-64768 - NLA O [ More info ]
Unavailable
Replaced by 23-85747
BEARING           O NLA
 

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OEM Part

BEARING O NLA [ More info ]
Unavailable
#7 446-5105 CRANKSHAFT (LEFT HAND CRANKSHAFT ROTATION) (1 required per assembly)
NLA               O NLA
 

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OEM Part

NLA O NLA [ More info ]
Unavailable
#7 446-5106 CRANKSHAFT (RIGHT HAND ROTATION) (1 required per assembly)
NLA               O NLA
 

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OEM Part

NLA O NLA [ More info ]
Unavailable
#8 23-55248 BEARING, CLUTCH PILOT (1 required per assembly)
BEARING           O NLA
 

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OEM Part

BEARING O NLA [ More info ]
Unavailable
#9 238-4428 FLYWHEEL ASSEMBLY - 157 TEETH (STERN DRIVE) (1 required per assembly)
FLYWHEEL          O NLA
 

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OEM Part

FLYWHEEL O NLA [ More info ]
Unavailable
#9 238-4055 FLYWHEEL ASSEMBLY - 164 TEETH (INBOARD) (1 required per assembly)
NLA               O NLA
 

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OEM Part

NLA O NLA [ More info ]
Unavailable
#10 10-60706 BOLT, FLYWHEEL TO CRANKSHAFT (15/16") (6 required per assembly)
SCREW,NLA 10-60706
 

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OEM Part

10-60706 - Screw, NLA [ More info ]

Add to shopping cart $3.50
7 in stock. Explain stock levels

#11 62819 DRIVE PLATE, FLYWHEEL (STERN DRIVE) (1 required per assembly)
PLATE             O - Replaced by -98147
 

This part has been superseded.

62819 - PLATE O [ More info ]
Unavailable
Replaced by -98147
98147A1 98147
 

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OEM Part

98147 - Drive Plate [ More info ]

Add to shopping cart $130.40
2 in stock. Explain stock levels

DRIVE PLATE ASSY  O NLA
 

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OEM Part

DRIVE PLATE ASSY O NLA [ More info ]
Unavailable
#11 47608 DRIVE PLATE, FLYWHEEL (INBOARD) (1 required per assembly)
DRIVE PLATE       O - Replaced by -47608A 1
 

This part has been superseded.

47608 - DRIVE PLATE O [ More info ]
Unavailable
Replaced by -47608A 1
DRIVEPLATE ASSEMBLY 47608A 1
47608A 1

About Mercury Marine

OEM Part

47608A 1 - Plate Assembly [ More info ]

Add to shopping cart $489.83
Available to order: Usually ships within 8 days. Explain stock levels

#12 10-56889 SCREW, DRIVE PLATE TO FLYWHEEL (6 required per assembly)
SCREW             O NLA
 

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OEM Part

SCREW O NLA [ More info ]
Unavailable
#13 13-26993 LOCKWASHER, DRIVE PLATE SCREW (6 required per assembly)
LOCKWASHER (.312) 13-26993
 

About Mercury Marine

OEM Part

13-26993 - LockWasher - Priced Individually [ More info ]

Add to shopping cart $1.40
10+ in stock. Explain stock levels

#14 26-64796 OIL SEAL, CRANKSHAFT REAR (LEFT HAND CRANKSHAFT ROTATION) (1 required per assembly)
SEAL,NLA 26-64796
26-64796

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OEM Part

26-64796 - Seal, NLA [ More info ]

Add to shopping cart $12.50
10+ in stock. Explain stock levels

#14 26-64797 OIL SEAL, CRANKSHAFT REAR (RIGHT HAND CRANKSHAFT ROTATION) (1 required per assembly)
SEAL              O NLA
 

About Mercury Marine

OEM Part

SEAL O NLA [ More info ]
Unavailable
#15 23-64774 BEARING , CRANKSHAFT MAIN - (STANDARD) (8 required per assembly)
BEARING UNIT      O - Replaced by 23-85748
 

This part has been superseded.

23-64774 - BEARING UNIT O [ More info ]
Unavailable
Replaced by 23-85748
BEARING,NLA 23-85748
 

About Mercury Marine

OEM Part

23-85748 - Bearing, NLA [ More info ]

Add to shopping cart $20.00
8 in stock. Explain stock levels

#15 23-64775 BEARING, CRANKSHAFT MAIN - (.002 US) (AR required per assembly)
NLA               O NLA
 

About Mercury Marine

OEM Part

NLA O NLA [ More info ]
Unavailable
#15 23-64776 BEARING, CRANKSHAFT MAIN - (.010 US) (AR required per assembly)
BEARING           O - Replaced by 23-85749
 

This part has been superseded.

23-64776 - BEARING O [ More info ]
Unavailable
Replaced by 23-85749
BEARING           O NLA
 

About Mercury Marine

OEM Part

BEARING O NLA [ More info ]
Unavailable
#15 23-64777 BEARING, CRANKSHAFT MAIN - (.020 US) (AR required per assembly)
BEARING UNIT      O - Replaced by 23-85750
 

This part has been superseded.

23-64777 - BEARING UNIT O [ More info ]
Unavailable
Replaced by 23-85750
BEARING           O NLA
 

About Mercury Marine

OEM Part

BEARING O NLA [ More info ]
Unavailable
#16 23-64778 BEARING, CRANKSHAFT MAIN - CENTER (STANDARD) (1 required per assembly)
BEARING UNIT      O - Replaced by 23-85751
 

This part has been superseded.

23-64778 - BEARING UNIT O [ More info ]
Unavailable
Replaced by 23-85751
BEARING           O NLA
 

About Mercury Marine

OEM Part

BEARING O NLA [ More info ]
Unavailable
#16 23-64779 BEARING, CRANKSHAFT MAIN - CENTER (.002 US) (AR required per assembly)
BEARING UNIT      O NLA
 

About Mercury Marine

OEM Part

BEARING UNIT O NLA [ More info ]
Unavailable
#16 23-64780 BEARING, CRANKSHAFT MAIN - CENTER (.010 US) (AR required per assembly)
BEARING UNIT      O - Replaced by 23-85752
 

This part has been superseded.

23-64780 - BEARING UNIT O [ More info ]
Unavailable
Replaced by 23-85752
BEARING           O NLA
 

About Mercury Marine

OEM Part

BEARING O NLA [ More info ]
Unavailable
#16 23-64781 BEARING, CRANKSHAFT MAIN - CENTER (.020 US) (AR required per assembly)
BEARING UNIT      O - Replaced by 23-85753
 

This part has been superseded.

23-64781 - BEARING UNIT O [ More info ]
Unavailable
Replaced by 23-85753
NLA               O NLA
 

About Mercury Marine

OEM Part

NLA O NLA [ More info ]
Unavailable
#17 28-64771 KEY, TIMING SPROCKET TO CRANKSHAFT (1 required per assembly)
KEY               O NLA
 

About Mercury Marine

OEM Part

KEY O NLA [ More info ]
Unavailable
#18 43-56141 SPROCKET, CRANKSHAFT TIMING (21 TEETH) (1 required per assembly)
SPROCKET,NLA 43-56141
 

About Mercury Marine

OEM Part

43-56141 - Sprocket, NLA [ More info ]

Add to shopping cart $41.00
1 in stock. Explain stock levels

#19 56143 SLINGER, OIL - CRANKSHAFT (1 required per assembly)
SLINGER,NLA 56143
 

About Mercury Marine

OEM Part

56143 - Slinger, NLA [ More info ]

Add to shopping cart $6.00
7 in stock. Explain stock levels

#20 64772 DAMPER ASSEMBLY, CRANKSHAFT (LEFT HAND CRANKSHAFT ROTATION) (1 required per assembly)
NLA               O NLA
 

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OEM Part

NLA O NLA [ More info ]
Unavailable
#20 64773 DAMPER ASSEMBLY, CRANKSHAFT (RIGHT HAND CRANKSHAFT ROTATION) (1 required per assembly)
NLA               O NLA
 

About Mercury Marine

OEM Part

NLA O NLA [ More info ]
Unavailable
#21 10-60709 BOLT, DAMPER TO CRANKSHAFT (1 5/8") (1 required per assembly)
BOLT,NLA 10-60709
 

About Mercury Marine

OEM Part

10-60709 - Bolt, NLA [ More info ]

Add to shopping cart $2.50
6 in stock. Explain stock levels

#22 12-56148 WASHER, DAMPER TO CRANKSHAFT BOLT (1 required per assembly)
WASHER @2         O NLA
 

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OEM Part

WASHER @2 O NLA [ More info ]
Unavailable
#23 56144 PULLEY, CRANKSHAFT (1 required per assembly) STERN DRIVE WITHOUT POWER STEERING AND INBOARD
NLA               O NLA
 

About Mercury Marine

OEM Part

NLA O NLA [ More info ]
Unavailable
#24 10-21077 SCREW, PULLEY TO DAMPER (3 required per assembly) STERN DRIVE WITHOUT POWER STEERING AND INBOARD
SCREW,NLA 10-21077
 

About Mercury Marine

OEM Part

10-21077 - Screw, NLA [ More info ]

Add to shopping cart $1.60
10+ in stock. Explain stock levels

#25 13-35048 LOCKWAHSER, PULLEY SCREW (3 required per assembly) STERN DRIVE WITHOUT POWER STEERING AND INBOARD
LOCKWASHER (.375) 13-35048
13-35048

About Mercury Marine

OEM Part

13-35048 - LockWasher - Priced Individually [ More info ]

Add to shopping cart $0.90
10+ in stock. Explain stock levels

#26 12-20553 WAHSER, PULLEY SCREW (3 required per assembly) STERN DRIVE WITHOUT POWER STEERING AND INBOARD
WASHER (.406 x .734 x . 12-20553
 

About Mercury Marine

OEM Part

12-20553 - Washer - Priced Individually [ More info ]

Add to shopping cart $1.10
Available to order: Usually ships within 8 days. Explain stock levels