Logo

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

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 749-5101 PISTON AND PISTON PIN ASSEMBLY (STANDARD) (8 required per assembly)
PISTON,NLA 749-5101  
749-5101OEM Part 749-5101 - Piston, NLA (more info) About Mercury Marine $85.00 $85.00 Add to shopping cart
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  
749-5102 FD# D2AZ-6108-R O NLA
(more info)
    UnavailableUnavailable Parts
#1 749-5103 PISTON AND PISTON PIN ASSEMBLY (.020 OS) (AR required per assembly)
FD# D2AZ-6108-S   O NLA  
749-5103 FD# D2AZ-6108-S O NLA
(more info)
    UnavailableUnavailable Parts
#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  
39-56114OEM Part 39-56114 - Piston Rings, NLA (more info) About Mercury Marine $20.00 $20.00 Add to shopping cart
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  
39-56115OEM Part 39-56115 - Rings, NLA (more info) About Mercury Marine $44.00 $44.00 Add to shopping cart
10+ in stock. Explain stock levels
#3 623-5104 CONNECTING ROD ASSEMBLY (8 required per assembly)
Part,NLA 623-5104  
623-5104OEM Part 623-5104 - Connecting Rod Assembly (more info) About Mercury Marine $70.00 $70.00 Add to shopping cart
5 in stock. Explain stock levels
#4 10-64770 BOLT, CONNECTING ROD (16 required per assembly)
SCREW             O NLA  
10-64770 SCREW O NLA
(more info)
    UnavailableUnavailable Parts
#5 11-64769 NUT, CONNECTING ROD BOLT (16 required per assembly)
NUT,NLA 11-64769  
11-64769OEM Part 11-64769 - Nut, NLA (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
4 in stock. Explain stock levels
#6 23-64764 BEARING UNIT, CONNECTING ROD (STANDARD) (8 required per assembly)
BEARING           O - Replaced by 23-85744  
23-64764This part has been superseded. BEARING O - Replaced by 23-85744
(more info)
    UnavailableUnavailable Parts
BEARING,NLA 23-85744  
23-85744OEM Part 23-85744 - Bearing, NLA (more info) About Mercury Marine $7.00 $7.00 Add to shopping cart
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  
23-64765This part has been superseded. BEARING O - Replaced by 23-85745
(more info)
    UnavailableUnavailable Parts
BEARING           O NLA  
23-85745 BEARING O NLA
(more info)
    UnavailableUnavailable Parts
#6 23-64766 BEARING UNIT, CONNECTING ROD (.002 US) (AR required per assembly)
BEARING           O NLA  
23-64766 BEARING O NLA
(more info)
    UnavailableUnavailable Parts
#6 23-64767 BEARING UNIT, CONNECTING ROD (.010 US) (AR required per assembly)
BEARING           O - Replaced by 23-85746  
23-64767This part has been superseded. BEARING O - Replaced by 23-85746
(more info)
    UnavailableUnavailable Parts
BEARING,NLA 23-85746  
23-85746OEM Part 23-85746 - Bearing, NLA (more info) About Mercury Marine $8.00 $8.00 Add to shopping cart
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  
23-64768This part has been superseded. NLA O - Replaced by 23-85747
(more info)
    UnavailableUnavailable Parts
BEARING           O NLA  
23-85747 BEARING O NLA
(more info)
    UnavailableUnavailable Parts
#7 446-5105 CRANKSHAFT (LEFT HAND CRANKSHAFT ROTATION) (1 required per assembly)
NLA               O NLA  
446-5105 NLA O NLA
(more info)
    UnavailableUnavailable Parts
#7 446-5106 CRANKSHAFT (RIGHT HAND ROTATION) (1 required per assembly)
NLA               O NLA  
446-5106 NLA O NLA
(more info)
    UnavailableUnavailable Parts
#8 23-55248 BEARING, CLUTCH PILOT (1 required per assembly)
BEARING           O NLA  
23-55248 BEARING O NLA
(more info)
    UnavailableUnavailable Parts
#9 238-4428 FLYWHEEL ASSEMBLY - 157 TEETH (STERN DRIVE) (1 required per assembly)
FLYWHEEL          O NLA  
238-4428 FLYWHEEL O NLA
(more info)
    UnavailableUnavailable Parts
#9 238-4055 FLYWHEEL ASSEMBLY - 164 TEETH (INBOARD) (1 required per assembly)
NLA               O NLA  
238-4055 NLA O NLA
(more info)
    UnavailableUnavailable Parts
#10 10-60706 BOLT, FLYWHEEL TO CRANKSHAFT (15/16") (6 required per assembly)
SCREW,NLA 10-60706  
10-60706OEM Part 10-60706 - Screw, NLA (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
7 in stock. Explain stock levels
#11 62819 DRIVE PLATE, FLYWHEEL (STERN DRIVE) (1 required per assembly)
PLATE             O - Replaced by -98147  
62819This part has been superseded. PLATE O - Replaced by -98147
(more info)
    UnavailableUnavailable Parts
98147A1 98147  
98147OEM Part 98147 - Drive Plate (more info) About Mercury Marine $130.40 $130.40 Add to shopping cart
2 in stock. Explain stock levels
DRIVE PLATE ASSY  O NLA  
98147A 1 DRIVE PLATE ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#11 47608 DRIVE PLATE, FLYWHEEL (INBOARD) (1 required per assembly)
PLATE             O - Replaced by -47608A 1  
47608This part has been superseded. PLATE O - Replaced by -47608A 1
(more info)
    UnavailableUnavailable Parts
DRIVEPLATE ASSEMB 47608A 1 47608A 1
47608A 1OEM Part 47608A 1 - Plate Assembly (more info) About Mercury Marine $473.25 $473.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 10-56889 SCREW, DRIVE PLATE TO FLYWHEEL (6 required per assembly)
SCREW @2          O NLA  
10-56889 SCREW @2 O NLA
(more info)
    UnavailableUnavailable Parts
#13 13-26993 LOCKWASHER, DRIVE PLATE SCREW (6 required per assembly)
LOCKWASHER (.312) 13-26993  
13-26993OEM Part 13-26993 - LockWasher - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
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
26-64796OEM Part 26-64796 - Seal, NLA (more info) About Mercury Marine $12.50 $12.50 Add to shopping cart
10+ in stock. Explain stock levels
#14 26-64797 OIL SEAL, CRANKSHAFT REAR (RIGHT HAND CRANKSHAFT ROTATION) (1 required per assembly)
SEAL              O NLA  
26-64797 SEAL O NLA
(more info)
    UnavailableUnavailable Parts
#15 23-64774 BEARING , CRANKSHAFT MAIN - (STANDARD) (8 required per assembly)
BEARING UNIT      O - Replaced by 23-85748  
23-64774This part has been superseded. BEARING UNIT O - Replaced by 23-85748
(more info)
    UnavailableUnavailable Parts
BEARING,NLA 23-85748  
23-85748OEM Part 23-85748 - Bearing, NLA (more info) About Mercury Marine $20.00 $20.00 Add to shopping cart
8 in stock. Explain stock levels
#15 23-64775 BEARING, CRANKSHAFT MAIN - (.002 US) (AR required per assembly)
NLA               O NLA  
23-64775 NLA O NLA
(more info)
    UnavailableUnavailable Parts
#15 23-64776 BEARING, CRANKSHAFT MAIN - (.010 US) (AR required per assembly)
BEARING           O - Replaced by 23-85749  
23-64776This part has been superseded. BEARING O - Replaced by 23-85749
(more info)
    UnavailableUnavailable Parts
BEARING           O NLA  
23-85749 BEARING O NLA
(more info)
    UnavailableUnavailable Parts
#15 23-64777 BEARING, CRANKSHAFT MAIN - (.020 US) (AR required per assembly)
BEARING UNIT      O - Replaced by 23-85750  
23-64777This part has been superseded. BEARING UNIT O - Replaced by 23-85750
(more info)
    UnavailableUnavailable Parts
BEARING           O NLA  
23-85750 BEARING O NLA
(more info)
    UnavailableUnavailable Parts
#16 23-64778 BEARING, CRANKSHAFT MAIN - CENTER (STANDARD) (1 required per assembly)
BEARING UNIT      O - Replaced by 23-85751  
23-64778This part has been superseded. BEARING UNIT O - Replaced by 23-85751
(more info)
    UnavailableUnavailable Parts
BEARING           O NLA  
23-85751 BEARING O NLA
(more info)
    UnavailableUnavailable Parts
#16 23-64779 BEARING, CRANKSHAFT MAIN - CENTER (.002 US) (AR required per assembly)
BEARING UNIT      O NLA  
23-64779 BEARING UNIT O NLA
(more info)
    UnavailableUnavailable Parts
#16 23-64780 BEARING, CRANKSHAFT MAIN - CENTER (.010 US) (AR required per assembly)
BEARING UNIT      O - Replaced by 23-85752  
23-64780This part has been superseded. BEARING UNIT O - Replaced by 23-85752
(more info)
    UnavailableUnavailable Parts
BEARING           O NLA  
23-85752 BEARING O NLA
(more info)
    UnavailableUnavailable Parts
#16 23-64781 BEARING, CRANKSHAFT MAIN - CENTER (.020 US) (AR required per assembly)
BEARING UNIT      O - Replaced by 23-85753  
23-64781This part has been superseded. BEARING UNIT O - Replaced by 23-85753
(more info)
    UnavailableUnavailable Parts
NLA               O NLA  
23-85753 NLA O NLA
(more info)
    UnavailableUnavailable Parts
#17 28-64771 KEY, TIMING SPROCKET TO CRANKSHAFT (1 required per assembly)
KEY               O NLA  
28-64771 KEY O NLA
(more info)
    UnavailableUnavailable Parts
#18 43-56141 SPROCKET, CRANKSHAFT TIMING (21 TEETH) (1 required per assembly)
SPROCKET,NLA 43-56141  
43-56141OEM Part 43-56141 - Sprocket, NLA (more info) About Mercury Marine $41.00 $41.00 Add to shopping cart
1 in stock. Explain stock levels
#19 56143 SLINGER, OIL - CRANKSHAFT (1 required per assembly)
SLINGER,NLA 56143  
56143OEM Part 56143 - Slinger, NLA (more info) About Mercury Marine $6.00 $6.00 Add to shopping cart
8 in stock. Explain stock levels
#20 64772 DAMPER ASSEMBLY, CRANKSHAFT (LEFT HAND CRANKSHAFT ROTATION) (1 required per assembly)
NLA               O NLA  
64772 NLA O NLA
(more info)
    UnavailableUnavailable Parts
#20 64773 DAMPER ASSEMBLY, CRANKSHAFT (RIGHT HAND CRANKSHAFT ROTATION) (1 required per assembly)
NLA               O NLA  
64773 NLA O NLA
(more info)
    UnavailableUnavailable Parts
#21 10-60709 BOLT, DAMPER TO CRANKSHAFT (1 5/8") (1 required per assembly)
BOLT,NLA 10-60709  
10-60709OEM Part 10-60709 - Bolt, NLA (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
6 in stock. Explain stock levels
#22 12-56148 WASHER, DAMPER TO CRANKSHAFT BOLT (1 required per assembly)
WASHER @2         O NLA  
12-56148 WASHER @2 O NLA
(more info)
    UnavailableUnavailable Parts
#23 56144 PULLEY, CRANKSHAFT (1 required per assembly) STERN DRIVE WITHOUT POWER STEERING AND INBOARD
NLA               O NLA  
56144 NLA O NLA
(more info)
    UnavailableUnavailable Parts
#24 10-21077 SCREW, PULLEY TO DAMPER (3 required per assembly) STERN DRIVE WITHOUT POWER STEERING AND INBOARD
SCREW,NLA 10-21077  
10-21077OEM Part 10-21077 - Screw, NLA (more info) About Mercury Marine $1.35 $1.35 Add to shopping cart
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
13-35048OEM Part 13-35048 - LockWasher - Priced Individually (more info) About Mercury Marine $0.90 $0.90 Add to shopping cart
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 .7 12-20553  
12-20553OEM Part 12-20553 - Washer - Priced Individually (more info) About Mercury Marine $1.10 $1.10 Add to shopping cart
Available to order:
Usually ships
within 8 days