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

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 863-8358A 4 CYLINDER BLOCK/CRANKCASE ASSEMBLY (1 required per assembly)
CYLINDER BLOCK    O - Replaced by 863-8981A 6  
863-8358A 4This part has been superseded. CYLINDER BLOCK O - Replaced by 863-8981A 6
(more info)
    UnavailableUnavailable Parts
CYLINDER BLOCK    O NLA  
863-8981A 6 CYLINDER BLOCK O NLA
(more info)
    UnavailableUnavailable Parts
#2 1160-5826A 2 END CAP ASSEMBLY, UPPER (1 required per assembly)
END CAP ASSY      O NLA  
1160-5826A 2 END CAP ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#3 26-41953 OIL SEAL, UPPER END CAP (1 required per assembly)
SEAL Note: must be ordered in multiples of 2 26-41953 26-41953
26-41953OEM Part 26-41953 - Seal - Priced Individually (more info) About Mercury Marine $14.90 $14.90 Add to shopping cart
10+ in stock. Explain stock levels
Oil Seal 18-2016
18-2016OEM Match 18-2016 - Seal, 26-41953 (more info)
Replaces OEM #0764337
About Sierra Marine $10.99 $8.18 Add to shopping cart
10+ in stock. Explain stock levels
#4 25-20081 "O" RING, UPPER END CAP (1 required per assembly)
O-RING 25-20081 25-20081
25-20081OEM Part 25-20081 - O-Ring - Priced Individually (more info) About Mercury Marine $2.30 $2.30 Add to shopping cart
10+ in stock. Explain stock levels
O-Ring 18-7151-9
18-7151-9OEM Match 18-7151-9 - (PK5) O-Ring Mercury 25-20081 (more info) About Sierra Marine $12.45 $7.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 30-63742 BALL BEARING, UPPER END CAP (1 required per assembly)
BEARING-BALL      O - Replaced by 30-63742T 30-63742
30-63742This part has been superseded. BEARING-BALL O - Replaced by 30-63742T
(more info)
    UnavailableUnavailable Parts
BEARING Ball 30-63742T 30-63742T
30-63742TOEM Part 30-63742T - Ball Bearing (more info) About Mercury Marine $28.30 $24.24 Add to shopping cart
Available to order:
Usually ships
within 8 days
Ball Bearing 18-1154
18-1154OEM Match 18-1154 - Bearing, 30-63742, 377139 (more info)
Replaces OEM #0377139
About Sierra Marine $25.99 $19.44 Add to shopping cart
1 in stock. Explain stock levels
#6 15-72538A 1 SHIM, UPPER END CAP (.005-10) (AR required per assembly)
SHIM SET          O NLA  
15-72538A 1 SHIM SET O NLA
(more info)
    UnavailableUnavailable Parts
#7 10-73274 SCREW, UPPER END CAP (3/4") (4 required per assembly)
SCREW @2          O - Replaced by 10-824941  
10-73274This part has been superseded. SCREW @2 O - Replaced by 10-824941
(more info)
    UnavailableUnavailable Parts
SCREW (.312-18 x 10-824941 10-824941
10-824941OEM Part 10-824941 - Screw (more info) About Mercury Marine $10.50 $10.50 Add to shopping cart
Available to order:
Usually ships
within 8 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
CYL BLOCK COVER   O NLA  
1017-7054A 1 CYL BLOCK COVER O NLA
(more info)
    UnavailableUnavailable Parts
#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
PLUG @2           O - Replaced by 22-32802  1  
22-32802This part has been superseded. PLUG @2 O - Replaced by 22-32802 1
(more info)
    UnavailableUnavailable Parts
PLUG-(BRASS)@2    O - Replaced by 22-32802  2  
22-32802 1This part has been superseded. PLUG-(BRASS)@2 O - Replaced by 22-32802 2
(more info)
    UnavailableUnavailable Parts
PLUG Pipe (.125-2 22-32802  2 22-32802 2
22-32802 2OEM Part 22-32802 2 - Plug - (brass) - Priced Individually (more info) About Mercury Marine $5.50 $5.50 Add to shopping cart
8 in stock. Explain stock levels
Pipe Plug, 1/8-27 Npt Pipe 18-4263
18-4263OEM Match 18-4263 - Pipe Plug, 1/8-27 NPT Pi (more info) About Sierra Marine $4.49 $3.24 Add to shopping cart
Available to order:
Usually ships
within 8 days
#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
27-85487OEM Part 27-85487 - Gasket (more info) About Mercury Marine $6.90 $6.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
Cyl. Block Cover Gasket 18-2507-9
18-2507-9OEM Match 18-2507-9 - Gasket 27-85487 2-Pack (more info) About Sierra Marine $13.98 $9.51 Add to shopping cart
1 in stock. Explain stock levels
#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
COVER ASSY        O NLA  
1017-8360A 1 COVER ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#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
GASKET            O - Replaced by 27-43777  
27-43777 1This part has been superseded. GASKET O - Replaced by 27-43777
(more info)
    UnavailableUnavailable Parts
GASKET            O - Replaced by 27-43777  2  
27-43777This part has been superseded. GASKET O - Replaced by 27-43777 2
(more info)
    UnavailableUnavailable Parts
GASKET 27-43777  2 27-43777  2
27-43777 2OEM Part 27-43777 2 - Gasket (more info) About Mercury Marine $16.30 $13.96 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 10-69100 SCREW, CYLINDER BLOCK COVER (1") (10 required per assembly)
SCREW             O - Replaced by 10-76630  
10-69100This part has been superseded. SCREW O - Replaced by 10-76630
(more info)
    UnavailableUnavailable Parts
SCREW (.250-20 x 10-76630 10-76630
10-76630OEM Part 10-76630 - Screw - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
4 in stock. Explain stock levels
#12 88238A 2 GROUND STRAP (3-5/8") (2 required per assembly)
CABLE ASSY        O - Replaced by -88238A10  
88238A 2This part has been superseded. CABLE ASSY O - Replaced by -88238A10
(more info)
    UnavailableUnavailable Parts
CABLE ASSEMBLY Gr 88238A10 88238A10
88238A10OEM Part 88238A10 - Cable Assembly (more info) About Mercury Marine $5.70 $5.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 10-62568 SCREW, GROUND STRAP (2 required per assembly)
SCREW (#10-16 x . 10-62568 10-62568
10-62568OEM Part 10-62568 - Screw - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
#14 90435 MOUNT, RUBBER - CYLINDER BLOCK COVER (1 required per assembly)
MOUNT 90435 90435
90435OEM Part 90435 - Mount (more info) About Mercury Marine $41.58 $41.58 Add to shopping cart
8 in stock. Explain stock levels
#15 11-20184 NUT, RUBBER MOUNT (2 required per assembly)
NUT (1/4-28X7/32) 11-20184 11-20184
11-20184OEM Part 11-20184 - Nut - Priced Individually (more info) About Mercury Marine $1.30 $1.30 Add to shopping cart
2 in stock. Explain stock levels
#16 87553A 1 COVER ASSEMBLY, TRANSFER PORT (1 required per assembly)
COVER ASSY        O - Replaced by -18827A 1  
87553A 1This part has been superseded. COVER ASSY O - Replaced by -18827A 1
(more info)
    UnavailableUnavailable Parts
COVER             O NLA  
18827A 1 COVER O NLA
(more info)
    UnavailableUnavailable Parts
#17 27-27936 GASKET, TRANSFER PORT COVER (2 required per assembly)
GASKET @10        O - Replaced by 27-27936  1 27-27936
27-27936This part has been superseded. GASKET @10 O - Replaced by 27-27936 1
(more info)
    UnavailableUnavailable Parts
GASKET 27-27936  1 27-27936  1
27-27936 1OEM Part 27-27936 1 - Gasket (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 10-20540 SCREW, TRANSFER PORT COVER (5/8") (6 required per assembly)
SCREW,NLA 10-20540  
10-20540OEM Part 10-20540 - Screw, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
10+ in stock. Explain stock levels
#19 1158-6635A 1 END CAP ASSEMBLY, LOWER (1 required per assembly)
END CAP           O - Replaced by 1158-6635T 1  
1158-6635A 1This part has been superseded. END CAP O - Replaced by 1158-6635T 1
(more info)
    UnavailableUnavailable Parts
END CAP           O NLA  
1158-6635T 1 END CAP O NLA
(more info)
    UnavailableUnavailable Parts
#23 15-20085A 1 SHIM, LOWER END CAP(.005-10) (AR required per assembly)
SHIM SET 15-20085A 1  
15-20085A 1OEM Part 15-20085A 1 - Shim Set (more info) About Mercury Marine $48.33 $48.33 Add to shopping cart
2 in stock. Explain stock levels
#24 10-29256 SCREW, LOWER END CAP (7/8") (3 required per assembly)
SCREW (.312-18 x 10-29256 10-29256
10-29256OEM Part 10-29256 - Screw - Priced Individually (more info) About Mercury Marine $1.80 $1.80 Add to shopping cart
10+ in stock. Explain stock levels
#27 84-65773A 5 GROUND STRAP, CRANKCASE MOUNT (1 required per assembly)
GROUND CABLE ASSY,NLA 84-65773A 5  
84-65773A 5OEM Part 84-65773A 5 - Ground Cable Assembly, NLA (more info) About Mercury Marine $4.00 $4.00 Add to shopping cart
10+ in stock. Explain stock levels
#28 27-85491 1 GASKET, CYLINDER BLOCK TO BAFFLE PLATE (1 required per assembly)
GASKET            O - Replaced by 27-85491  2  
27-85491 1This part has been superseded. GASKET O - Replaced by 27-85491 2
(more info)
    UnavailableUnavailable Parts
GASKET            O - Replaced by 27-85491  3  
27-85491 2This part has been superseded. GASKET O - Replaced by 27-85491 3
(more info)
    UnavailableUnavailable Parts
GASKET 27-85491  3 27-85491  3
27-85491 3OEM Part 27-85491 3 - Gasket (more info) About Mercury Marine $7.20 $7.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
Gasket 18-0942
18-0942OEM Match 18-0942 - Gasket, 27-85491 2 (more info) About Sierra Marine $6.49 $4.86 Add to shopping cart
8 in stock. Explain stock levels
#29 90421 PLATE, BAFFLE-EXHAUST MANIFOLD (1 required per assembly)
BAFFLE PLATE      O - Replaced by -90421  1  
90421This part has been superseded. BAFFLE PLATE O - Replaced by -90421 1
(more info)
    UnavailableUnavailable Parts
PLATE-BAFFLE      O - Replaced by -90421T01 90421  1
90421 1This part has been superseded. PLATE-BAFFLE O - Replaced by -90421T01
(more info)
    UnavailableUnavailable Parts
PLATE-BAFFLE 90421T01 90421T01
90421T01OEM Part 90421T01 - Baffle Plate (more info) About Mercury Marine $104.42 $104.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
#30 27-85492 1 GASKET, BAFFLE PLATE TO EXHAUST COVER (1 required per assembly)
GASKET            O - Replaced by 27-85492  2  
27-85492 1This part has been superseded. GASKET O - Replaced by 27-85492 2
(more info)
    UnavailableUnavailable Parts
GASKET            O - Replaced by 27-85492  4  
27-85492 2This part has been superseded. GASKET O - Replaced by 27-85492 4
(more info)
    UnavailableUnavailable Parts
GASKET 27-85492  4 27-85492  4
27-85492 4OEM Part 27-85492 4 - Gasket (more info) About Mercury Marine $10.30 $10.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
Gasket 18-0137
18-0137OEM Match 18-0137 - Gasket, 27-85492 2 (more info) About Sierra Marine $8.49 $6.19 Add to shopping cart
1 in stock. Explain stock levels
#31 77381 COVER, EXHAUST MANIFOLD (1 required per assembly)
EXH COVER,NLA 77381 77381
77381OEM Part 77381 - Exhaust Cover, NLA (more info) About Mercury Marine $60.00 $60.00 Add to shopping cart
5 in stock. Explain stock levels
#32 10-37562 SCREW (14 required per assembly) MANIFOLD COVER TO CYLINDER BLOCK (1")
SCREW (.312-18 x 10-37562 10-37562
10-37562OEM Part 10-37562 - Screw - Priced Individually (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#32 10-38837 SCREW (1 required per assembly) MANIFOLD COVER TO CYLINDER BLOCK (1-1/8")
SCREW (.312-18 x 10-38837 10-38837
10-38837OEM Part 10-38837 - Screw - Priced Individually (more info) About Mercury Marine $2.10 $2.10 Add to shopping cart
6 in stock. Explain stock levels