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Parts for Mariner 50 HP (4 Cylinder) End Caps & Exhaust Cover

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

863-8358A 4 - Cylinder Block [ More info ]
Unavailable
863-8981A 6 - CYLINDER BLOCK AS  NLA
 

About Mercury Marine

OEM Part

863-8981A 6 - Cylinder Block,NLA [ More info ]
Unavailable
#2 1160-5826A 2 END CAP ASSEMBLY, UPPER (1 required per assembly)
1160-5826A 2 - END CAP ASSEMBLY   NLA
 

About Mercury Marine

OEM Part

1160-5826A 2 - End Cap, NLA [ More info ]
Unavailable
#3 26-41953 OIL SEAL, UPPER END CAP (1 required per assembly)
SEAL              18-2016 26-41953
26-41953

About Mercury Marine

OEM Part

26-41953 - Oil Seal - Priced Individually [ More info ]

Add to shopping cart $19.45
4 In Stock.

OIL SEAL
18-2016

About Sierra Marine

OEM Match

18-2016 - Seal, 26-41953 [ More info ]

Add to shopping cart $13.99
6 In Stock.

#4 25-20081 "O" RING, UPPER END CAP (1 required per assembly)
O RING 25-20081
25-20081

About Mercury Marine

OEM Part

25-20081 - O-Ring - Priced Individually [ More info ]

Add to shopping cart $3.30
10+ In Stock.

O-RING 5
18-7151

About Sierra Marine

OEM Match

18-7151-9 - (PK5) O-Ring Mercury 25-20081 [ More info ]

Add to shopping cart $9.99
Available to Order: Usually ships within 10 days.

#5 30-63742 BALL BEARING, UPPER END CAP (1 required per assembly)
30-63742 - BEARING Ball       - Replaced by 30-63742T
30-63742

30-63742 - Ball Bearing [ More info ]
Unavailable
BEARING-BALL 30-63742T
30-63742T

About Mercury Marine

OEM Part

30-63742T - Ball Bearing [ More info ]

Add to shopping cart $32.25
Available to Order: Usually ships within 10 days.

BALL BEARING
18-1154

About Sierra Marine

OEM Match

18-1154 - Bearing, 30-63742, 377139 [ More info ]

Add to shopping cart $28.99 $26.47
In Stock

#6 15-72538A 1 SHIM, UPPER END CAP (.005-10) (AR required per assembly)
15-72538A 1 - SHIM               NLA
 

About Mercury Marine

OEM Part

15-72538A 1 - Shim Set, NLA [ More info ]
Unavailable
#7 10-73274 SCREW, UPPER END CAP (3/4") (4 required per assembly)
10-73274 - SCREW              - Replaced by 10-824941
 

10-73274 - SCREW Note: Priced Individually [ More info ]
Unavailable
SCREW (.312-18 x .750) 10-824941
10-824941

About Mercury Marine

OEM Part

10-824941 - Screw [ More info ]

Add to shopping cart $14.40
Available to Order: Usually ships within 10 days.

#8 1017-7054A 1 COVER ASSEMBLY, CYLINDER BLOCK (1 required per assembly) UNITED STATES 6146848 AND BELOW AUSTRALIA 8075602 AND BELOW BELGIUM 9362390 AND BELOW CANADA 7198592 AND BELOW
1017-7054A 1 - COVER ASSEMBLY     NLA
1017-7054A 1

About Mercury Marine

OEM Part

1017-7054A 1 - Cylinder Block Cover, NLA [ More info ]
Unavailable
#9 22-32802 PIPE PLUG, CYLINDER BLOCK COVER (1 required per assembly) UNITED STATES 6146848 AND BELOW AUSTRALIA 8075602 AND BELOW BELGIUM 9362390 AND BELOW CANADA 7198592 AND BELOW
22-32802 - PLUG Pipe (.125-2  - Replaced by 22-328021
22-32802

22-32802 - Plug , Priced Individually [ More info ]
Unavailable
22-328021 - ->328022 - Replaced by -328022
22-328021

22-32802 1 - Plug, Brass, Priced Individually [ More info ]
Unavailable
PLUG-(BRASS) 22-328022
22-328022

About Mercury Marine

OEM Part

22-32802 2 - Brass Pipe Plug, Priced Individually [ More info ]

Add to shopping cart $7.30
Available to Order: Usually ships within 10 days.

PIPE PLUG 1/8-27 NPT PIPE
18-4263

About Sierra Marine

OEM Match

18-4263 - Pipe Plug, 1/8-27 NPT, Brass [ More info ]

Add to shopping cart $5.19 $4.70
10+ In Stock.

#10 27-85487 GASKET, CYLINDER BLOCK COVER (1 required per assembly) UNITED STATES 6146848 AND BELOW AUSTRALIA 8075602 AND BELOW BELGIUM 9362390 AND BELOW CANADA 7198592 AND BELOW
GASKET 27-85487
27-85487

About Mercury Marine

OEM Part

27-85487 - Cylinder Block Cover Gasket [ More info ]

Add to shopping cart $9.50
1 In Stock.

#8 1017-8360A 1 COVER ASSEMBLY, CYLINDER BLOCK (1 required per assembly) UNITED STATES 6146849 AND UP BELGIUM 9362391 AND UP CANADA 7198593 AND UP
1017-8360A 1 - COVER ASSEMBLY     NLA
 

About Mercury Marine

OEM Part

1017-8360A 1 - Cover, NLA [ More info ]
Unavailable
#10 27-43777 1 GASKET, CYLINDER BLOCK COVER (1 required per assembly) UNITED STATES 6146849 AND UP BELGIUM 9362391 AND UP CANADA 7198593 AND UP
27-43777  1 - GASKET             - Replaced by 27-43777
 

27-43777 1 - GASKET [ More info ]
Unavailable
27-43777 - GASKET             - Replaced by 27-437772
 

27-43777 - Cylinder Block Cover Gasket [ More info ]
Unavailable
GASKET 27-437772
27-437772

About Mercury Marine

OEM Part

27-43777 2 - Gasket [ More info ]

Add to shopping cart $34.05
8 In Stock.

#11 10-69100 SCREW, CYLINDER BLOCK COVER (1") (10 required per assembly)
10-69100 - SCREW              - Replaced by 10-76630
 

10-69100 - Screw [ More info ]
Unavailable
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.

#12 88238A 2 GROUND STRAP (3-5/8") (2 required per assembly)
88238A 2 - CABLE ASSEMBLY Gr  - Replaced by -88238A10
 

88238A 2 - Cable [ More info ]
Unavailable
CABLE ASSY 88238A10
88238A10

About Mercury Marine

OEM Part

88238A10 - Cable Assembly [ More info ]

Add to shopping cart $8.00
1 In Stock.

#13 10-62568 SCREW, GROUND STRAP (2 required per assembly)
SCREW 10-62568
10-62568

About Mercury Marine

OEM Part

10-62568 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.10
10+ In Stock.

#14 90435 MOUNT, RUBBER - CYLINDER BLOCK COVER (1 required per assembly)
MOUNT 90435
90435

About Mercury Marine

OEM Part

90435 - Rubber Mount [ More info ]

Add to shopping cart $57.67
2 In Stock.

#15 11-20184 NUT, RUBBER MOUNT (2 required per assembly)
118M0207775 11-20184
11-20184

About Mercury Marine

OEM Part

11-20184 - Nut, (1/4-28x7/32) [ More info ]

Add to shopping cart $1.70
10+ In Stock.

#16 87553A 1 COVER ASSEMBLY, TRANSFER PORT (1 required per assembly)
87553A 1 - COVER ASSEMBLY     - Replaced by -18827A 1
 

87553A 1 - Cover [ More info ]
Unavailable
18827A 1 - COVER ASSEMBLY     NLA
 

About Mercury Marine

OEM Part

18827A 1 - Cover, NLA [ More info ]
Unavailable
#17 27-27936 GASKET, TRANSFER PORT COVER (2 required per assembly)
27-27936 - GASKET             - Replaced by 27-279361
27-27936

27-27936 - Starter Motor Bracket Gasket [ More info ]
Unavailable
27-279361 - GASKET
27-279361

About Mercury Marine

OEM Part

27-27936 1 - Gasket [ More info ]
Unavailable
#18 10-20540 SCREW, TRANSFER PORT COVER (5/8") (6 required per assembly)
10-20540 - SCREW (.250-20 x   NLA
 

About Mercury Marine

OEM Part

10-20540 - Screw, NLA [ More info ]
Unavailable
#19 1158-6635A 1 END CAP ASSEMBLY, LOWER (1 required per assembly)
1158-6635A 1 - END CAP ASSEMBLY   - Replaced by 1158-6635T 1
1158-6635A 1

1158-6635A 1 - End Cap [ More info ]
Unavailable
END CAP ASSY,NLA 1158-6635T 1
1158-6635T 1

About Mercury Marine

OEM Part

1158-6635T 1 - End Cap, NLA [ More info ]

Add to shopping cart $66.66
10+ In Stock.

#23 15-20085A 1 SHIM, LOWER END CAP(.005-10) (AR required per assembly)
15-20085A 1 - SHIM SET
 

About Mercury Marine

OEM Part

15-20085A 1 - Shim Set [ More info ]
Unavailable
#24 10-29256 SCREW, LOWER END CAP (7/8") (3 required per assembly)
SCREW,NLA 10-29256
10-29256

About Mercury Marine

OEM Part

10-29256 - Screw - Priced Individually [ More info ]

Add to shopping cart $2.32
10+ In Stock.

#27 84-65773A 5 GROUND STRAP, CRANKCASE MOUNT (1 required per assembly)
GROUND CABLE ASSY,NLA 84-65773A 5
 

About Mercury Marine

OEM Part

84-65773A 5 - Ground Cable Assembly, NLA [ More info ]

Add to shopping cart $1.50
6 In Stock.

#28 27-85491 1 GASKET, CYLINDER BLOCK TO BAFFLE PLATE (1 required per assembly)
27-85491  1 - GASKET             - Replaced by 27-85491  2
 

27-85491 1 - GASKET [ More info ]
Unavailable
27-85491  2 - GASKET             - Replaced by 27-85491  3
 

27-85491 2 - GASKET [ More info ]
Unavailable
GASKET 27-85491  3
27-85491  3

About Mercury Marine

OEM Part

27-85491 3 - Gasket [ More info ]

Add to shopping cart $11.90
1 In Stock.

GASKET
18-0942

About Sierra Marine

OEM Match

18-0942 - Gasket, 27-85491 2 [ More info ]

Add to shopping cart $7.10
10+ In Stock.

#29 90421 PLATE, BAFFLE-EXHAUST MANIFOLD (1 required per assembly)
90421 - PLATE              - Replaced by -904211
 

90421 - Baffle Plate [ More info ]
Unavailable
904211 - ->90421T01 - Replaced by -90421T01
904211

90421 1 - Baffle Plate [ More info ]
Unavailable
90421T01 - PLATE-BAFFLE
90421T01

About Mercury Marine

OEM Part

90421T01 - Baffle Plate [ More info ]
Unavailable
#30 27-85492 1 GASKET, BAFFLE PLATE TO EXHAUST COVER (1 required per assembly)
27-85492  1 - GASKET             - Replaced by 27-85492  2
 

27-85492 1 - Gasket [ More info ]
Unavailable
27854924 27-85492  2
 

About Mercury Marine

OEM Part

27-85492 2 - GASKET [ More info ]

Add to shopping cart $4.60
1 In Stock.

GASKET 27-85492  4
27-85492  4

About Mercury Marine

OEM Part

27-85492 4 - Gasket [ More info ]

Add to shopping cart $13.90
1 In Stock.

GASKET
18-0137

About Sierra Marine

OEM Match

18-0137 - Gasket, 27-85492 2 [ More info ]

Add to shopping cart $9.99 $9.04
6 In Stock.

#31 77381 COVER, EXHAUST MANIFOLD (1 required per assembly)
77381 - COVER              NLA
77381

About Mercury Marine

OEM Part

77381 - Exhaust Manifold Cover, NLA [ More info ]
Unavailable
#32 10-37562 SCREW (14 required per assembly) MANIFOLD COVER TO CYLINDER BLOCK (1")
SCREW 10-37562
10-37562

About Mercury Marine

OEM Part

10-37562 - Screw - Priced Individually [ More info ]

Add to shopping cart $2.90
10+ In Stock.

#32 10-38837 SCREW (1 required per assembly) MANIFOLD COVER TO CYLINDER BLOCK (1-1/8")
SCREW 10-38837
10-38837

About Mercury Marine

OEM Part

10-38837 - Screw - Priced Individually [ More info ]

Add to shopping cart $3.10
10 In Stock.


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