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Parts for Mariner 50 HP (4 Cylinder) Crankshaft, Pistons, & Connecting Rods

#1 459-9075 CRANKSHAFT (1 required per assembly)
459-9075 - CRANKSHAFT         - Replaced by 459-9075T
 

This part has been superseded.

459-9075 - 459-9075 - CRANKSHAFT [ More info ]
Unavailable
Replaced by 459-9075T
CRANKSHAFT ASSY,NLA 459-9075T
 

About Mercury Marine

OEM Part

459-9075T - CrankShaft [ More info ]

Add to shopping cart $585.99
3 In Stock.

#2 28-20094 KEY, CRANKSHAFT (1 required per assembly)
KEY 28-20094
28-20094

About Mercury Marine

OEM Part

28-20094 - Key - Priced Individually [ More info ]

Add to shopping cart $1.70
10+ In Stock.

#3 534-3267A25 MAIN BEARING ASSEMBLY (VALVE TYPE) (2 required per assembly)
534-3267A25 - BEARING ASSEMBLY   - Replaced by 534-3267T25
534-3267A25

This part has been superseded.

534-3267A25 - 534-3267A25 - BEARING ASSEMBLY [ More info ]
Unavailable
Replaced by 534-3267T25
REED BLOCK ASSY 534-3267T25
534-3267T25

About Mercury Marine

OEM Part

534-3267T25 - Main Bearing - Valve Type [ More info ]

Add to shopping cart $366.32
2 In Stock.

#4 17-20032 DOWEL PIN, MAIN BEARING (4 required per assembly)
PIN-DOWEL 17-20032
 

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OEM Part

17-20032 - Pin -Dowel - Priced Individually [ More info ]

Add to shopping cart $2.30
10+ In Stock.

#5 17-65855 DOWEL PIN, REED LOCATING (16 required per assembly)
PIN 17-65855
17-65855

About Mercury Marine

OEM Part

17-65855 - Pin, Dowel [ More info ]

Add to shopping cart $3.80
10+ In Stock.

#6 10-45775 SCREW, MAIN BEARING (9/16") (4 required per assembly)
SCREW,NLA 10-45775
 

About Mercury Marine

OEM Part

10-45775 - Screw, NLA [ More info ]

Add to shopping cart $3.49
10+ In Stock.

#7 11-45774 NUT, MAIN BEARING SCREW (4 required per assembly)
NUT 11-45774
 

About Mercury Marine

OEM Part

11-45774 - Nut - Priced Individually [ More info ]

Add to shopping cart $22.99
10+ In Stock.

#8 34-88498A 1 REED SET, MATCHED (2 required per assembly)
REED KIT 34-88498A 1
34-88498A 1

About Mercury Marine

OEM Part

34-88498A 1 - Reed Kit [ More info ]

Add to shopping cart $97.92
Available to Order: Usually ships within 10 days.

#9 34-79014 REED STOP (8 required per assembly)
34-79014 - STOP Reed          - Replaced by 34-822839
 

This part has been superseded.

34-79014 - 34-79014 - STOP Reed [ More info ]
Unavailable
Replaced by 34-822839
STOP-REED 34-822839
 

About Mercury Marine

OEM Part

34-822839 - Reed Stop [ More info ]

Add to shopping cart $9.30
2 In Stock.

#10 10-77280 SCREW, REED STOP (9/16") (8 required per assembly)
SCREW,NLA 10-77280
 

About Mercury Marine

OEM Part

10-77280 - Screw, NLA [ More info ]

Add to shopping cart $1.25
4 In Stock.

#11 11-20110 NUT, REED STOP SCREW (8 required per assembly)
NUT 11-20110
11-20110

About Mercury Marine

OEM Part

11-20110 - Nut (M10X32) [ More info ]

Add to shopping cart $1.60
Available to Order: Usually ships within 10 days.

#12 74-5172A 6 PISTON AND PISTON PIN ASSEMBLY (4 required per assembly)
7809229A7 743-5172A 6
 

About Mercury Marine

OEM Part

743-5172A 6 - Piston, Std [ More info ]

Add to shopping cart $95.92
1 In Stock.

PISTON ASSY-STD 780-9229A 7
780-9229A 7

About Mercury Marine

OEM Part

780-9229A 7 - Piston Assembly - Std [ More info ]

Add to shopping cart $151.58
Available to Order: Usually ships within 10 days.

#12 743-3366A 2 PISTON AND PISTON PIN ASSEMBLY (.015 OVERSIZE) (AR required per assembly)
743-3366A 2 - PISTON ASSEMBLY    - Replaced by 780-9229A10
 

This part has been superseded.

743-3366A 2 - 743-3366A 2 - PISTON ASSEMBLY [ More info ]
Unavailable
Replaced by 780-9229A10
780-9229A10 - PISTON ASSEMBLY    NLA
780-9229A10

About Mercury Marine

OEM Part

780-9229A10 - PISTON ASSEMBLY NLA [ More info ]
Unavailable
#12 743-7716A 2 PISTON AND PISTON PIN ASSEMBLY (.030 OVERSIZE) (AR required per assembly)
743-7716A 2 - PISTON ASSEMBLY    - Replaced by 780-9229A11
743-7716A 2

This part has been superseded.

743-7716A 2 - 743-7716A 2 - PISTON ASSEMBLY [ More info ]
Unavailable
Replaced by 780-9229A11
PISTON ASSY-.030,NLA 780-9229A11
780-9229A11

About Mercury Marine

OEM Part

780-9229A11 - Piston Assembly.030, NLA [ More info ]

Add to shopping cart $99.99
2 In Stock.

#13 40-47276 LOCK RING, PISTON PIN (8 required per assembly)
40-47276 - LOCK RING          - Replaced by 40-828119
40-47276

This part has been superseded.

40-47276 - 40-47276 - LOCK RING [ More info ]
Unavailable
Replaced by 40-828119
RING-LOCK 40-828119
40-828119

About Mercury Marine

OEM Part

40-828119 - Lock Ring [ More info ]

Add to shopping cart $3.10
Available to Order: Usually ships within 10 days.

#14 39-27841A12 PISTON PIN (1 required per assembly)
RING SET-STD 39-27841A12
39-27841A12

About Mercury Marine

OEM Part

39-27841A12 - Piston Rings, Standard, 12 Rings [ More info ]

Add to shopping cart $95.74
1 In Stock.

#14 39-28616A12 PISTON RING (.015 OVERSIZE) (1 required per assembly)
RING SET-.015 39-28616A12
39-28616A12

About Mercury Marine

OEM Part

39-28616A12 - Rings - .015 [ More info ]

Add to shopping cart $44.99 $44.54
10+ In Stock.

#14 39-89822A12 PISTON RING (.030 OVERSIZE) (1 required per assembly)
RING SET-2-.030,NLA 39-89822A12
39-89822A12

About Mercury Marine

OEM Part

39-89822A12 - Rings - 2-.030, NLA [ More info ]

Add to shopping cart $28.00
10+ In Stock.

#15 632-7621A 3 CONNECTING ROD AND CAP ASSEMBLY (4 required per assembly)
CONNECTING ROD,NLA 632-7621A 3
632-7621A 3

About Mercury Marine

OEM Part

632-7621A 3 - Connecting Rod, New Surplus, NLA [ More info ]

Add to shopping cart $38.99
10+ In Stock.

#16 10-45379 SCREW, CAP TO ROD - WITH NUT (8 required per assembly)
SCREW,NLA 10-45379
 

About Mercury Marine

OEM Part

10-45379 - Screw only - Nut no longer included [ More info ]

Add to shopping cart $3.67
8 In Stock.

#17 11-20061 NUT, ROD SCREW - WITH NUT (8 required per assembly)
NUT,NLA 11-20061
11-20061

About Mercury Marine

OEM Part

11-20061 - Nut, NLA [ More info ]

Add to shopping cart $2.77
10+ In Stock.

#16 10-91012 SCREW, CAP TO ROD - WITHOUT NUT (8 required per assembly)
10-91012 - SCREW (.250-28 Sp
10-91012

About Mercury Marine

OEM Part

10-91012 - SCREW (.250-28 Sp [ More info ]
Unavailable
#18 29-20063 NEEDLE BEARING, PISTON PIN (108 required per assembly)
BRG-NEEDLE 29-20063
29-20063

About Mercury Marine

OEM Part

29-20063 - Needle Bearing [ More info ]

Add to shopping cart $0.60 $0.43
10+ In Stock.

#19 12-47275 WASHER, NEEDLE LOCATING (8 required per assembly)
WASHER 12-47275
 

About Mercury Marine

OEM Part

12-47275 - Washer, Needle Bearing Retaining [ More info ]

Add to shopping cart $4.00
3 In Stock.

#20 29-20046 NEEDLE BEARING, CRANKPIN (100 required per assembly)
2920046T 29-20046
29-20046

About Mercury Marine

OEM Part

29-20046 - Needle Bearing [ More info ]

Add to shopping cart $1.29
10+ In Stock.

BRG-NEEDLE 29-20046T
29-20046T

About Mercury Marine

OEM Part

29-20046T - Needle Bearing [ More info ]

Add to shopping cart $1.53
10+ In Stock.

#21 547-7060A 2 CENTER MAIN BEARING ASSEMBLY (1 required per assembly)
MAIN BEARING,NLA 547-7060A 2
 

About Mercury Marine

OEM Part

547-7060A 2 - Main Bearing, NLA [ More info ]

Add to shopping cart $85.00
1 In Stock.

#23 29-71422 NEEDLE BEARING (56 required per assembly)
29714221   PRICED EACH"" 29-71422
29-71422

About Mercury Marine

OEM Part

29714221 PRICED EACH [ More info ]

Add to shopping cart $0.30
10+ In Stock.

BRG-NEEDLE 29-714221
29-714221

About Mercury Marine

OEM Part

29-71422 1 - Needle Bearing - Priced Individually [ More info ]

Add to shopping cart $0.30
10+ In Stock.

#24 26113 RACE, OUTER (1 required per assembly)
26113 - RACE               - Replaced by -26113T
26113

26113 - Outer Race [ More info ]
Unavailable
RACE-CENTER MAIN 26113T
26113T

About Mercury Marine

OEM Part

26113T - Race - Center Main [ More info ]

Add to shopping cart $141.83
Available to Order: Usually ships within 10 days.

#25 53-26933 SNAP RING, OUTER RACE (1 required per assembly)
RING-SNAP,NLA 53-26933
 

About Mercury Marine

OEM Part

53-26933 - Ring -snap, NLA [ More info ]

Add to shopping cart $3.99
10+ In Stock.

#26 10-76630 SCREW, CENTER MAIN BEARING (1") (2 required per assembly)
108M0214943 10-76630
10-76630

About Mercury Marine

OEM Part

10-76630 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.24
10+ In Stock.

SCREW 10-8M0214943
 

About Mercury Marine

OEM Part

108M0214943 - SCREW, Priced Individually [ More info ]

Add to shopping cart $1.70
Available to Order: Usually ships within 10 days.


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