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Parts for Mercury Mariner Racing Mercury Formula I (Carburetor) Crankshaft, Pistons & Connecting Rods

#1 455-7251A 6 CRANKSHAFT ASSEMBLY (1 required per assembly)
CRANKSHAFT        O - Replaced by 455-7251A 7
 

This part has been superseded.

455-7251A 6 - CRANKSHAFT O [ More info ]
Unavailable
Replaced by 455-7251A 7
CRANKSHAFT        O - Replaced by 455-7251A 8
 

This part has been superseded.

455-7251A 7 - CRANKSHAFT O [ More info ]
Unavailable
Replaced by 455-7251A 8
CRANKSHAFT        O - Replaced by 455-7251A 9
 

This part has been superseded.

455-7251A 8 - CRANKSHAFT O [ More info ]
Unavailable
Replaced by 455-7251A 9
CRANKSHAFT        O - Replaced by 455-7251T 9
 

This part has been superseded.

455-7251A 9 - CRANKSHAFT O [ More info ]
Unavailable
Replaced by 455-7251T 9
CRANKSHAFT 455-7251T 9
 

About Mercury Marine

OEM Part

455-7251T 9 - CrankShaft [ More info ]

Add to shopping cart $2,490.77
Available to order: Usually ships within 8 days. Explain stock levels

#2 30-41421 BALL BEARING, CRANKSHAFT (LOWER) (1 required per assembly)
BALL BEARING      O - Replaced by 30-67923
 

This part has been superseded.

30-41421 - BALL BEARING O [ More info ]
Unavailable
Replaced by 30-67923
3067923T 30-67923
30-67923

About Mercury Marine

OEM Part

30-67923 - Ball Bearing [ More info ]

Add to shopping cart $50.00
3 in stock. Explain stock levels

BEARING Ball 30-67923T
30-67923T

About Mercury Marine

OEM Part

30-67923T - Ball Bearing [ More info ]

Add to shopping cart $81.08
2 in stock. Explain stock levels

Ball Bearing
18-1345

About Sierra Marine

OEM Match

18-1345 - Bearing, 30-67923T - Special Order - No Returns [ More info ]

Add to shopping cart $156.49 $132.86
In stock - special order item. Explain stock levels

#3 53-67446 RETAINING RING, BALL BEARING (1 required per assembly)
RING 53-67446
 

About Mercury Marine

OEM Part

53-67446 - Ring - Retaining [ More info ]

Add to shopping cart $2.60
Available to order: Usually ships within 8 days. Explain stock levels

#4 54196A 6 CARRIER ASSEMBLY, SEAL (1 required per assembly)
CARRIER ASSEMBLY 54196A 6
54196A 6

About Mercury Marine

OEM Part

54196A 6 - Carrier Assembly [ More info ]

Add to shopping cart $19.10 $16.36
3 in stock. Explain stock levels

#5 65800 SEAL, CARRIER (1 required per assembly)
PACKING 65800
65800

About Mercury Marine

OEM Part

65800 - Packing [ More info ]

Add to shopping cart $3.20
10+ in stock. Explain stock levels

#6 39-67377 RING, SEALING- CRANKSHAFT (.124 THICK) (9 required per assembly)
RING Sealing      O - Replaced by 39-67377T
 

This part has been superseded.

39-67377 - RING Sealing O [ More info ]
Unavailable
Replaced by 39-67377T
RING Sealing 39-67377T
39-67377T

About Mercury Marine

OEM Part

39-67377T - Seal Ring - Priced Individually [ More info ]

Add to shopping cart $11.50
8 in stock. Explain stock levels

#7 31-88903 BEARING RACE, CRANKSHAFT (2 required per assembly)
BEARING Roller    O - Replaced by 31-88903T
31-88903

This part has been superseded.

31-88903 - BEARING Roller O [ More info ]
Unavailable
Replaced by 31-88903T
BEARING,NLA 31-88903T
31-88903T

About Mercury Marine

OEM Part

31-88903T - Bearing, NLA [ More info ]

Add to shopping cart $55.00
10+ in stock. Explain stock levels

#8 53-67444 RETAINING RING, BEARING RACE (2 required per assembly)
RETAINING RING,NLA 53-67444
 

About Mercury Marine

OEM Part

53-67444 - Retaining Ring, NLA [ More info ]

Add to shopping cart $9.00
10+ in stock. Explain stock levels

#9 31-67445 ROLLER BEARING, RACE (2 required per assembly)
BEARING Roller 31-67445
31-67445

About Mercury Marine

OEM Part

31-67445 - Bearing Set [ More info ]

Add to shopping cart $23.91
Available to order: Usually ships within 8 days. Explain stock levels

#10 765-8685A 2 PISTON ASSEMBLY (STARBOARD) (3 required per assembly)
PISTON STBD FI    O NLA
 

About Mercury Marine

OEM Part

PISTON STBD FI O NLA [ More info ]
Unavailable
#10 765-8684A 2 PISTON ASSEMBLY (PORT) (3 required per assembly)
PISTON PORT FI    O NLA
 

About Mercury Marine

OEM Part

PISTON PORT FI O NLA [ More info ]
Unavailable
#11 39-88685A12 PISTON RING ASSEMBLY (.0395 THICK) (1 required per assembly)
PISTON RING SET   O - Replaced by 39-99284A12
 

This part has been superseded.

39-88685A12 - PISTON RING SET O [ More info ]
Unavailable
Replaced by 39-99284A12
PISTON RING SET   O - Replaced by 39-812957
 

This part has been superseded.

39-99284A12 - PISTON RING SET O [ More info ]
Unavailable
Replaced by 39-812957
PISTON RING       O - Replaced by 39-16687  1
 

This part has been superseded.

39-812957 - PISTON RING O [ More info ]
Unavailable
Replaced by 39-16687 1
PISTON RING 2.0   O - Replaced by 39-16687  2
 

This part has been superseded.

39-16687 1 - PISTON RING 2.0 O [ More info ]
Unavailable
Replaced by 39-16687 2
PISTON RING       O NLA
 

About Mercury Marine

OEM Part

PISTON RING O NLA [ More info ]
Unavailable
#11 39-99284A12 PISTON RING ASSEMBLY ( .0385 THICK) (1 required per assembly)
#12 40-52035 LOCK RING,PISTON (12 required per assembly)
53857196 40-52035
40-52035

About Mercury Marine

OEM Part

40-52035 - Lock Ring - Priced Individually [ More info ]

Add to shopping cart $1.25
10+ in stock. Explain stock levels

LOCK RING 53-857196
53-857196

About Mercury Marine

OEM Part

53-857196 - Lock Ring - Priced Individually [ More info ]

Add to shopping cart $2.40 $1.62
10+ in stock. Explain stock levels

Circlips (2/PKG)
18-4294

About Sierra Marine

OEM Match

18-4294-9 - Clips, PK2 [ More info ]

Add to shopping cart $4.98 $3.49
2 in stock. Explain stock levels

#13 625-7209A 6 CONNECTING ROD ASSEMBLY (6 required per assembly)
CONNECTING ROD    O - Replaced by 636-8119A 5
 

This part has been superseded.

625-7209A 6 - CONNECTING ROD O [ More info ]
Unavailable
Replaced by 636-8119A 5
6368119A6 636-8119A 5
 

About Mercury Marine

OEM Part

636-8119A 5 - Connecting Rod [ More info ]

Add to shopping cart $165.00
2 in stock. Explain stock levels

CONN ROD KIT 636-8119A 6
 

About Mercury Marine

OEM Part

636-8119A 6 - Connecting Rod Kit [ More info ]

Add to shopping cart $338.59
Available to order: Usually ships within 8 days. Explain stock levels

#14 10-91995 SCREW, CONNECTING ROD (12 required per assembly)
SCREW 10-91995
10-91995

About Mercury Marine

OEM Part

10-91995 - Screw [ More info ]

Add to shopping cart $21.48
1 in stock. Explain stock levels

#15 12-47247 WASHER, NEEDLE LOCATING (12 required per assembly)
128M0032839 12-47247
 

About Mercury Marine

OEM Part

12-47247 - Washer - Priced Individually [ More info ]

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

WASHER Note: must be ordered in multiples of 5 12-8M0032839
 

About Mercury Marine

OEM Part

12-8M0032839 - Washer - Priced Individually [ More info ]

Add to shopping cart $8.10
Available to order: Usually ships within 8 days. Explain stock levels

#16 31-67526A 1 ROLLER BEARING ASSEMBLY (6 required per assembly)
3117514A1 31-67526A 1
 

About Mercury Marine

OEM Part

31-67526A 1 - Bearing - Priced Individually [ More info ]

Add to shopping cart $15.70
3 in stock. Explain stock levels

BEARING KIT       O - Replaced by 31-8M0045428
31-17514A 1

This part has been superseded.

31-17514A 1 - BEARING KIT O [ More info ]
Unavailable
Replaced by 31-8M0045428
BEARING KIT 31-8M0045428
31-8M0045428

About Mercury Marine

OEM Part

31-8M0045428 - Bearing Kit [ More info ]

Add to shopping cart $55.50 $47.53
1 in stock. Explain stock levels

Needle Bearing Set (W/O Cag
18-4039

About Sierra Marine

OEM Match

18-4039 - Needle Bearings, Without Cage [ More info ]

Add to shopping cart $43.73 $34.18
2 in stock. Explain stock levels

Rod Bearing w/cage
18-1194

About Sierra Marine

OEM Match

18-1194 - Rod Bearing w/ Cage [ More info ]

Add to shopping cart $57.62 $38.08
3 in stock. Explain stock levels

#17 29-67483 NEEDLE BEARING, PISTON END (174 required per assembly)
BEARING Needle 29-67483
29-67483

About Mercury Marine

OEM Part

29-67483 - Needle Bearing - Priced Individually [ More info ]

Add to shopping cart $0.34
Available to order: Usually ships within 8 days. Explain stock levels