Logo

Parts for Mariner 50 HP (4 Cylinder) Cylinder Block & Crankcase Assembly

#1 863-8358A 4 CYLINDER BLOCK/CRANKCASE ASSEMBLY (1 required per assembly)
CYLINDER BLOCK    O - Replaced by 863-8981A 6
 

This part has been superseded.

863-8358A 4 - CYLINDER BLOCK O [ More info ]
Unavailable
Replaced by 863-8981A 6
CYLINDER BLOCK    O NLA
 

About Mercury Marine

OEM Part

CYLINDER BLOCK O NLA [ More info ]
Unavailable
#2 72038 BRACKET, STARTER MOTOR (UPPER) (1 required per assembly)
BRACKET           O NLA
 

About Mercury Marine

OEM Part

BRACKET O NLA [ More info ]
Unavailable
#3 10-73279 SCREW, BRACKET TO CRANKCASE (1-7/8") (2 required per assembly)
SCREW,NLA 10-73279
 

About Mercury Marine

OEM Part

10-73279 - Screw, NLA [ More info ]

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

#4 13-26993 LOCKWASHER, BRACKET SCREW (4 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

#5 76867 COVER, STARTER MOTOR (LOWER) (1 required per assembly)
COVER 76867
76867

About Mercury Marine

OEM Part

76867 - Cover [ More info ]

Add to shopping cart $20.09
9 in stock. Explain stock levels

#7 46933A 7 CABLE ASSEMBLY, GROUND (2 required per assembly)
STRAP ASSY,NLA 46933A 7
 

About Mercury Marine

OEM Part

46933A 7 - Strap Assembly, NLA [ More info ]

Add to shopping cart $4.25
10+ in stock. Explain stock levels

#8 17-20032 DOWELL PIN, CYLINDER BLOCK TO MAIN BEARING (2 required per assembly)
PIN Dowel 17-20032
 

About Mercury Marine

OEM Part

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

Add to shopping cart $3.00
10+ in stock. Explain stock levels

#9 16-68164 STUD, CARBURETOR (1-1/4") (4 required per assembly)
STUD              O - Replaced by 16-64936
 

This part has been superseded.

16-68164 - STUD O [ More info ]
Unavailable
Replaced by 16-64936
STUD,NLA 16-64936
 

About Mercury Marine

OEM Part

16-64936 - Stud, NLA [ More info ]

Add to shopping cart $4.00
10+ in stock. Explain stock levels

#10 16-68165 STUD (2 required per assembly) CRANKCASE TO DRIVE SHAFT HOUSING (1-5/8")
STUD,NLA 16-68165
 

About Mercury Marine

OEM Part

16-68165 - Stud, NLA [ More info ]

Add to shopping cart $2.00
10+ in stock. Explain stock levels

#11 17-20033 DOWEL PIN, CRANKCASE TO CYLINDER BLOCK (2 required per assembly)
1743044 17-20033
 

About Mercury Marine

OEM Part

17-20033 - Pin -Dowel - Priced Individually [ More info ]

Add to shopping cart $1.15
3 in stock. Explain stock levels

PIN Dowel - Without Hol 17-43044
 

About Mercury Marine

OEM Part

17-43044 - Pin -Dowel-solid [ More info ]

Add to shopping cart $1.70
Available to order: Usually ships within 8 days. Explain stock levels

#12 16-87901 STUD, CYLINDER BLOCK TO DRIVE SHAFT HOUSING (4") (2 required per assembly)
STUD              O NLA
 

About Mercury Marine

OEM Part

STUD O NLA [ More info ]
Unavailable
#13 16-68166 STUD, CYLINDER BLOCK TO DRIVE SHAFT HOUSING (2-1/8") (2 required per assembly)
STUD (.312 x  2.125) 16-68166
 

About Mercury Marine

OEM Part

16-68166 - Stud [ More info ]

Add to shopping cart $39.41
Available to order: Usually ships within 8 days. Explain stock levels

#14 16-68167 STUD, CYLINDER BLOCK TO DRIVE SHAFT HOUSING (2-1/2") (2 required per assembly)
STUD (.312-18/.312-24 x 16-68167
 

About Mercury Marine

OEM Part

16-68167 - Stud [ More info ]

Add to shopping cart $19.10 $16.36
Available to order: Usually ships within 8 days. Explain stock levels

#15 10-55511 SCREW, CRANKCASE TO CYLINDER BLOCK (1-1/2") (11 required per assembly)
SCREW,NLA 10-55511
 

About Mercury Marine

OEM Part

10-55511 - Screw, NLA [ More info ]

Add to shopping cart $1.50
10+ in stock. Explain stock levels

#15 10-31984 SCREW, CRANKCASE TO CYLINDER BLOCK (1-3/8") (5 required per assembly)
SCREW (.312-18 x 1.375) 10-31984
10-31984

About Mercury Marine

OEM Part

10-31984 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.40
1 in stock. Explain stock levels

#15 10-73275 SCREW, CRANKCASE TO CYLINDER BLOCK (2-7/8") (2 required per assembly)
SCREW (.312-18 x 2.88) 10-73275
10-73275

About Mercury Marine

OEM Part

10-73275 - Screw - Priced Individually [ More info ]

Add to shopping cart $2.30
Available to order: Usually ships within 8 days. Explain stock levels

#16 12-70132 WASHER, CRANKCASE SCREW (18 required per assembly)
128M0042642 12-70132
12-70132

About Mercury Marine

OEM Part

12-70132 - Washer - Priced Individually [ More info ]

Add to shopping cart $1.20
2 in stock. Explain stock levels

WASHER (.323 x .562 x . 12-8M0042642
12-8M0042642

About Mercury Marine

OEM Part

12-8M0042642 - Washer - Priced Individually [ More info ]

Add to shopping cart $1.40
2 in stock. Explain stock levels

#17 10-20359 SCREW, CENTER MAIN BEARING LOCKING (1") (1 required per assembly)
SCREW (.375-16 x 1.00) 10-20359
10-20359

About Mercury Marine

OEM Part

10-20359 - Screw - Priced Individually [ More info ]

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

#17 10-98260 SCREW, MAIN BEARING LOCKING (5/8") (2 required per assembly)
SCREW (.375-16 x .620) 10-98260
10-98260

About Mercury Marine

OEM Part

10-98260 - Screw [ More info ]

Add to shopping cart $0.80
2 in stock. Explain stock levels

#18 14-20091 TAB WASHER, CENTER BEARING LOCKING SCREW (3 required per assembly)
TAB WASHER 14-20091
 

About Mercury Marine

OEM Part

14-20091 - Tab Washer - Priced Individually [ More info ]

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

#19 32-99127109 TUBE, BALANCE - MAIN BEARING (5-1/2") (1 required per assembly)
TUBING-57 INCH    O - Replaced by 32-830756109
32-99127109

This part has been superseded.

32-99127109 - TUBING-57 INCH O [ More info ]
Unavailable
Replaced by 32-830756109
HOSE-57 INCH      O - Replaced by 32-8M0047428
32-830756109

This part has been superseded.

32-830756109 - HOSE-57 INCH O [ More info ]
Unavailable
Replaced by 32-8M0047428
HOSE-57 INCH       - Replaced by 32-8M0108355
32-8M0047428

This part has been superseded.

32-8M0047428 - HOSE-57 INCH [ More info ]
Unavailable
Replaced by 32-8M0108355
HOSE (57 Inches Bulk) 32-8M0108355
32-8M0108355

About Mercury Marine

OEM Part

32-8M0108355 - Hose-57 Inch [ More info ]

Add to shopping cart $45.00 $38.54
1 in stock. Explain stock levels

#20 22-99664 ELBOW, BALANCE TUBE TO CYLINDER BLOCK (2 required per assembly)
22996641 22-99664
 

About Mercury Marine

OEM Part

22-99664 - Elbow [ More info ]

Add to shopping cart $1.00
2 in stock. Explain stock levels

ELBOW             O - Replaced by 22-99664  2
 

This part has been superseded.

22-99664 1 - ELBOW O [ More info ]
Unavailable
Replaced by 22-99664 2
FITTING Elbow 90 Degree 22-99664  2
22-99664  2

About Mercury Marine

OEM Part

22-99664 2 - Elbow [ More info ]

Add to shopping cart $1.90
5 in stock. Explain stock levels

#21 22-65857 CONNECTOR, BLEED HOSE (UPPER) (1 required per assembly)
2256759 22-65857
 

About Mercury Marine

OEM Part

22-65857 - Fitting [ More info ]

Add to shopping cart $4.50
3 in stock. Explain stock levels

FITTING Barbed 22-56759
22-56759

About Mercury Marine

OEM Part

22-56759 - Fitting [ More info ]

Add to shopping cart $8.30
10+ in stock. Explain stock levels

#22 32-99387 79 HOSE, CYLINDER BLEED (11") (1 required per assembly)
HOSE 32-99387 79
32-99387 79

About Mercury Marine

OEM Part

32-99387 79 - Hose -27 Inch [ More info ]

Add to shopping cart $10.60
4 in stock. Explain stock levels

#23 22-42867 CHECK VALVE, BLEED HOSE (LOWER) (1 required per assembly)
CHECK VALVE       O - Replaced by 21-42867  1
 

This part has been superseded.

21-42867 - CHECK VALVE O [ More info ]
Unavailable
Replaced by 21-42867 1
VALVE-CHECK,NLA 21-42867  1
 

About Mercury Marine

OEM Part

21-42867 1 - Check Valve, NLA [ More info ]

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

#24 99156 INDICATOR, TIMING - ELECTRIC (1 required per assembly)
INDICATOR,NLA 99156
 

About Mercury Marine

OEM Part

99156 - Indicator, NLA [ More info ]

Add to shopping cart $5.00
10+ in stock. Explain stock levels

#25 10-39349 SCREW (1 required per assembly) INDICATOR TO CRANKCASE (3/4") - ELECTRIC
SCREW (.312-18 x .750) 10-39349
10-39349

About Mercury Marine

OEM Part

10-39349 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.40
6 in stock. Explain stock levels