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Parts for Mercury Marine Model 500, 50 HP End Caps, Manifold & Exhaust Covers

#1 863-5885A 3 CYLINDER BLOCK AND CRANKCASE ASS'Y (1 required per assembly) SEE "CYLINDER BLOCK AND CRANKCASE ASS'Y" FOR BREAKDOWN UNITED STATES 4962055 AND BELOW AUSTRALIA 8053229 AND BELOW BELGIUM 9195685 AND BELOW CANADA 7115572 AND BELOW
863-5885A 3 - CYLINDER BLOCK    O - Replaced by 863-6467A 4
 

This part has been superseded.

863-5885A 3 - 863-5885A 3 - CYLINDER BLOCK O [ More info ]
Unavailable
Replaced by 863-6467A 4
863-6467A 4 - CYLINDER BLOCK    O - Replaced by 863-7496A 3
 

This part has been superseded.

863-6467A 4 - 863-6467A 4 - CYLINDER BLOCK O [ More info ]
Unavailable
Replaced by 863-7496A 3
863-7496A 3 - CYLINDER BLOCK    O - Replaced by 863-7593A 3
 

This part has been superseded.

863-7496A 3 - 863-7496A 3 - CYLINDER BLOCK O [ More info ]
Unavailable
Replaced by 863-7593A 3
863-7593A 3 - CYLINDER BLOCK    O - Replaced by 863-8358A 4
 

This part has been superseded.

863-7593A 3 - 863-7593A 3 - CYLINDER BLOCK O [ More info ]
Unavailable
Replaced by 863-8358A 4
863-8358A 4 - CYLINDER BLOCK AS O - Replaced by 863-8981A 6
 

This part has been superseded.

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

About Mercury Marine

OEM Part

863-8981A 6 - CYLINDER BLOCK AS O NLA [ More info ]
Unavailable
#1 863-6467A 4 CYLINDER BLOCK AND CRANKCASE ASS'Y (1 required per assembly) SEE "CYLINDER BLOCK AND CRANKCASE ASS'Y" FOR BREAKDOWN UNITED STATES 4962056 THRU 5193258 AUSTRALIA 8053230 THRU 8057394 BELGIUM 9195686 THRU 9217255 CANADA 7115573 THRU 7116222
#1 863-7496A 3 CYLINDER BLOCK AND CRANKCASE ASS'Y (1 required per assembly) SEE "CYLINDER BLOCK AND CRANKCASE ASS'Y" FOR BREAKDOWN UNITED STATES 5193259 AND UP AUSTRALIA 8057395 AND UP BELGIUM 9217256 AND UP
#2 1160-5826A 2 END CAP ASSEMBLY, UPPER (1 required per assembly)
1160-5826A 2 - END CAP ASSEMBLY  O NLA
 

About Mercury Marine

OEM Part

1160-5826A 2 - END CAP ASSEMBLY O NLA [ More info ]
Unavailable
#3 26-29476 OIL SEAL (1 required per assembly)
26-29476 - SEAL Oil          O - Replaced by 26-41953
26-29476

This part has been superseded.

26-29476 - 26-29476 - SEAL Oil O [ More info ]
Unavailable
Replaced by 26-41953
SEAL Note: must be ordered in multiples of 2 26-41953
26-41953

About Mercury Marine

OEM Part

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

Add to shopping cart $15.30
10+ in stock. Explain stock levels

Oil Seal
18-2016

About Sierra Marine

OEM Match

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

Add to shopping cart $10.99 $8.52
8 in stock. Explain stock levels

#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 $2.40
10+ in stock. Explain stock levels

O-Ring
18-7151

About Sierra Marine

OEM Match

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

Add to shopping cart $12.45 $5.54
2 in stock. Explain stock levels

#5 30-53853 BALL BEARING, UPPER END CAP (1 required per assembly)
30-53853 - BALL BEARING      O - Replaced by 30-63742
 

This part has been superseded.

30-53853 - 30-53853 - BALL BEARING O [ More info ]
Unavailable
Replaced by 30-63742
30-63742 - BEARING Ball      O - Replaced by 30-63742T
30-63742

This part has been superseded.

30-63742 - 30-63742 - BEARING Ball O [ More info ]
Unavailable
Replaced by 30-63742T
BEARING Ball 30-63742T
30-63742T

About Mercury Marine

OEM Part

30-63742T - Ball Bearing [ More info ]

Add to shopping cart $29.00 $24.84
Available to order: Usually ships within 8 days. Explain stock levels

Ball Bearing
18-1154

About Sierra Marine

OEM Match

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

Add to shopping cart $25.99 $20.28
2 in stock. Explain stock levels

#6 15-72538A 1 SHIM (AR required per assembly) UPPER END CAP TO CYL. BLOCK/CRANKCASE (.005-10)
15-72538A 1 - SHIM              O NLA
 

About Mercury Marine

OEM Part

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

This part has been superseded.

10-73274 - 10-73274 - SCREW O [ More info ]
Unavailable
Replaced by 10-824941
SCREW (.312-18 x .750) 10-824941
10-824941

About Mercury Marine

OEM Part

10-824941 - Screw [ More info ]

Add to shopping cart $10.80
1 in stock. Explain stock levels

#8 37639 MOUNT, RUBBER-CRANKCASE (2 required per assembly)
63007 37639
 

About Mercury Marine

OEM Part

37639 - Mount [ More info ]

Add to shopping cart $3.60
1 in stock. Explain stock levels

63007 - MOUNT             O - Replaced by -90435
 

This part has been superseded.

63007 - 63007 - MOUNT O [ More info ]
Unavailable
Replaced by -90435
MOUNT 90435
90435

About Mercury Marine

OEM Part

90435 - Rubber Mount [ More info ]

Add to shopping cart $43.00
10+ in stock. Explain stock levels

#9 11-46887 NUT, CRANKCASE RUBBER MOUNT (4 required per assembly)
1120184 11-46887
 

About Mercury Marine

OEM Part

11-46887 - Nut [ More info ]

Add to shopping cart $0.30
4 in stock. Explain stock levels

NUT (1/4-28X7/32) 11-20184
11-20184

About Mercury Marine

OEM Part

11-20184 - Nut - Priced Individually [ More info ]

Add to shopping cart $1.30
1 in stock. Explain stock levels

#10 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 $4.00
10 in stock. Explain stock levels

#11 1158-6410A 2 END CAP ASSEMBLY, LOWER (1 required per assembly) UNITED STATES 4962055 AND BELOW AUSTRALIA 8053229 AND BELOW BELGIUM 9195685 AND BELOW CANADA 7115572 AND BELOW
1158-6410A 2 - END CAP           O - Replaced by 1158-6635A 1
 

This part has been superseded.

1158-6410A 2 - 1158-6410A 2 - END CAP O [ More info ]
Unavailable
Replaced by 1158-6635A 1
1158-6635A 1 - END CAP ASSEMBLY  O - Replaced by 1158-6635T 1
 

This part has been superseded.

1158-6635A 1 - 1158-6635A 1 - END CAP ASSEMBLY O [ More info ]
Unavailable
Replaced by 1158-6635T 1
1158-6635T 1 - END CAP           O NLA
 

About Mercury Marine

OEM Part

1158-6635T 1 - END CAP O NLA [ More info ]
Unavailable
#11 1158-6635A 1 END CAP ASSEMBLY, LOWER (1 required per assembly) UNITED STATES 4962056 AND UP AUSTRALIA 8053230 AND UP BELGIUM 9195686 AND UP CANADA 7115573 AND UP
#16 15-20085A 1 SHIM (AR required per assembly) LOWER END CAP TO CRANKCASE/CYL, BLOCK (.005-10)
SHIM SET 15-20085A 1
 

About Mercury Marine

OEM Part

15-20085A 1 - Shim Set [ More info ]

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

#17 10-29256 SCREW, LOWER END CAP MOUNTING (7/8") (3 required per assembly)
SCREW (.312-18 x .875) 10-29256
10-29256

About Mercury Marine

OEM Part

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

Add to shopping cart $1.80
10+ in stock. Explain stock levels

#18 27-72486 GASKET (1 required per assembly) CYLINDER BLOCK TO BAFFLE PLATE
27-72486 - GASKET @2         O - Replaced by 27-85491
 

This part has been superseded.

27-72486 - 27-72486 - GASKET @2 O [ More info ]
Unavailable
Replaced by 27-85491
27-85491 - GASKET            O - Replaced by 27-85491  1
 

This part has been superseded.

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

This part has been superseded.

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

This part has been superseded.

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

About Mercury Marine

OEM Part

27-85491 3 - Gasket [ More info ]

Add to shopping cart $7.40
2 in stock. Explain stock levels

Gasket
18-0942

About Sierra Marine

OEM Match

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

Add to shopping cart $6.49 $5.04
10+ in stock. Explain stock levels

#19 77161 PLATE, BAFFLE-EXHAUST MANIFOLD (1 required per assembly)
77161 - BAFFLE PLATE      O - Replaced by -90421
 

This part has been superseded.

77161 - 77161 - BAFFLE PLATE O [ More info ]
Unavailable
Replaced by -90421
90421 - PLATE             O - Replaced by -90421  1
 

This part has been superseded.

90421 - 90421 - PLATE O [ More info ]
Unavailable
Replaced by -90421 1
90421T01 90421  1
90421  1

About Mercury Marine

OEM Part

90421 1 - Baffle Plate [ More info ]

Add to shopping cart $80.00
1 in stock. Explain stock levels

PLATE-BAFFLE 90421T01
90421T01

About Mercury Marine

OEM Part

90421T01 - Baffle Plate [ More info ]

Add to shopping cart $108.09
Available to order: Usually ships within 8 days. Explain stock levels

#20 27-72488 GASKET, BAFFLE PLATE TO EXHAUST COVER (1 required per assembly)
27-72488 - GASKET AT 2       O - Replaced by 27-85492
 

This part has been superseded.

27-72488 - 27-72488 - GASKET AT 2 O [ More info ]
Unavailable
Replaced by 27-85492
27-85492 - GASKET            O - Replaced by 27-85492  1
 

This part has been superseded.

27-85492 - 27-85492 - GASKET O [ More info ]
Unavailable
Replaced by 27-85492 1
27-85492  1 - GASKET            O - Replaced by 27-85492  2
 

This part has been superseded.

27-85492 1 - 27-85492 1 - GASKET O [ More info ]
Unavailable
Replaced by 27-85492 2
27-85492  2 - GASKET            O - Replaced by 27-85492  4
 

This part has been superseded.

27-85492 2 - 27-85492 2 - GASKET O [ More info ]
Unavailable
Replaced by 27-85492 4
GASKET 27-85492  4
27-85492  4

About Mercury Marine

OEM Part

27-85492 4 - Gasket [ More info ]

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

Gasket
18-0137

About Sierra Marine

OEM Match

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

Add to shopping cart $8.49 $6.38
9 in stock. Explain stock levels

#21 75966 COVER, EXHAUST MANIFOLD (1 required per assembly) UNITED STATES 4357640 THRU 4576236 AUSTRALIA 8030090 THRU 8042649 BELGIUM 9107214 THRU 9136249 CANADA 7068998 THRU 7088597
75966 - COVER             O - Replaced by -77381
 

This part has been superseded.

75966 - 75966 - COVER O [ More info ]
Unavailable
Replaced by -77381
EXH COVER,NLA 77381
77381

About Mercury Marine

OEM Part

77381 - Exhaust Manifold Cover, NLA [ More info ]

Add to shopping cart $65.00
5 in stock. Explain stock levels

#21 77381 COVER, EXHAUST MANIFOLD (1 required per assembly) UNITED STATES 4576237 AND UP AUSTRALIA 8042650 AND UP BELGIUM 9136250 AND UP CANADA 7088598 AND UP
#22 10-37562 SCREW (14 required per assembly) MANIFOLD COVER TO CYLINDER BLOCK (1")
SCREW (.312-18 x 1.00) 10-37562
10-37562

About Mercury Marine

OEM Part

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

Add to shopping cart $2.10
10+ in stock. Explain stock levels

#22 10-38837 SCREW (1 required per assembly) MANIFOLD COVER TO CYLINGER BLOCK (1 1/8")
SCREW (.312-18 x 1.12) 10-38837
10-38837

About Mercury Marine

OEM Part

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

Add to shopping cart $2.20
10+ in stock. Explain stock levels

#23 10-73280 SCREW (1 required per assembly) ADJUSTING-EXHAUST MANIFOLD COVER (1 1/2")
10-73280 - SCREW             O NLA
 

About Mercury Marine

OEM Part

10-73280 - SCREW O NLA [ More info ]
Unavailable
#23 10-73281 SCREW (2 required per assembly) ADJUSTING-ECHAUST MANIFOLD COVER (1 3/4")
SCREW,NLA 10-73281
 

About Mercury Marine

OEM Part

10-73281 - Screw, NLA [ More info ]

Add to shopping cart $1.25
8 in stock. Explain stock levels

#24 11-20890 NUT, ADJUSTING SCREW (3 required per assembly)
NUT (.250-20) 11-20890
11-20890

About Mercury Marine

OEM Part

11-20890 - Nut - Priced Individually [ More info ]

Add to shopping cart $1.20
10+ in stock. Explain stock levels

#25 26852 CAP, ADJUSTING SCREW (3 required per assembly)
CAP Nylon 26852
26852

About Mercury Marine

OEM Part

26852 - Nylon Cap [ More info ]

Add to shopping cart $2.80
10 in stock. Explain stock levels

#26 1017-4002A 1 COVER ASSEMBLY, CYLINGER BLOCK (1 required per assembly) UNITED STATES 4962055 AND BELOW AUSTRALIA 8053229 AND BELOW BELGIUM 9195685 AND BELOW CANADA 7115572 AND BELOW
1017-4002A 1 - COVER ASSY        O - Replaced by 1017-7054A 1
 

This part has been superseded.

1017-4002A 1 - 1017-4002A 1 - COVER ASSY O [ More info ]
Unavailable
Replaced by 1017-7054A 1
CYL BLOCK COVER,NLA 1017-7054A 1
 

About Mercury Marine

OEM Part

1017-7054A 1 - Cylinder Block Cover, NLA [ More info ]

Add to shopping cart $80.00
1 in stock. Explain stock levels

#26 1017-7054A 1 COVER ASSEMBLY, CYLINDER BLOCK (1 required per assembly) UNITED STATES 4962056 AND UP AUSTRALIA 8053230 AND UP BELGIUM 9195686 AND UP CANADA 7115573 AND UP
#27 22-32802 PLUG, PIPE-CYLINDER BLOCK COVER (1 required per assembly)
22328021 22-32802
22-32802

About Mercury Marine

OEM Part

22-32802 - Plug , Priced Individually [ More info ]

Add to shopping cart $2.50
2 in stock. Explain stock levels

22-32802  1 - PLUG Pipe (.125-2 O - Replaced by 22-32802  2
22-32802  1

This part has been superseded.

22-32802 1 - 22-32802 1 - PLUG Pipe (.125-2 O [ More info ]
Unavailable
Replaced by 22-32802 2
PLUG Pipe (.125-27) Bra 22-32802  2
22-32802  2

About Mercury Marine

OEM Part

22-32802 2 - Plug - (brass) - Priced Individually [ More info ]

Add to shopping cart $5.60
5 in stock. Explain stock levels

Pipe Plug, 1/8-27 Npt Pipe
18-4263

About Sierra Marine

OEM Match

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

Add to shopping cart $4.49 $3.35
Available to order: Usually ships within 8 days. Explain stock levels

#28 27-78026 GASKET, CYLINDER BLOCK COVER (1 required per assembly)
2785487 27-78026
 

About Mercury Marine

OEM Part

27-78026 - Gasket - Priced Individually [ More info ]

Add to shopping cart $3.75
7 in stock. Explain stock levels

GASKET 27-85487
27-85487

About Mercury Marine

OEM Part

27-85487 - Gasket [ More info ]

Add to shopping cart $7.10
Available to order: Usually ships within 8 days. Explain stock levels

Cyl. Block Cover Gasket
18-2507

About Sierra Marine

OEM Match

18-2507-9 - Gasket 27-85487 2-Pack [ More info ]

Add to shopping cart $13.98 $9.95
5 in stock. Explain stock levels

#29 10-69100 SCREW, CYLINDER BLOCK COVER (1") (10 required per assembly)
10-69100 - SCREW             O - Replaced by 10-76630
 

This part has been superseded.

10-69100 - 10-69100 - SCREW O [ More info ]
Unavailable
Replaced by 10-76630
SCREW (.250-20 x 1.00) 10-76630
10-76630

About Mercury Marine

OEM Part

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

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

#33 72036 COVER, TRANSFER PORT (1 required per assembly) UNITED STATES 4357640 THRU 4576236 AUSTRALIA 8030090 THRU 8042649 BELGIUM 9107214 THRU 9136249 CANADA 7068998 THRU 7088597
72036 - COVER             O - Replaced by -76420A 1
 

This part has been superseded.

72036 - 72036 - COVER O [ More info ]
Unavailable
Replaced by -76420A 1
76420A 1 - COVER ASSY        O - Replaced by -87553A 1
 

This part has been superseded.

76420A 1 - 76420A 1 - COVER ASSY O [ More info ]
Unavailable
Replaced by -87553A 1
87553A 1 - COVER ASSEMBLY    O - Replaced by -18827A 1
 

This part has been superseded.

87553A 1 - 87553A 1 - COVER ASSEMBLY O [ More info ]
Unavailable
Replaced by -18827A 1
18827A 1 - COVER ASSEMBLY    O NLA
 

About Mercury Marine

OEM Part

18827A 1 - COVER ASSEMBLY O NLA [ More info ]
Unavailable
#31 76420A 1 COVER ASSEMBLY, TRANSFER PORT (1 required per assembly) UNITED STATES 4576237 AND UP AUSTRALIA 8042650 AND UP BELGIUM 9136250 AND UP CANADA 7088598 AND UP
#34 27-27936 GASKET, TRANSFER PORT COVER (2 required per assembly)
27-27936 - GASKET            O - Replaced by 27-27936  1
27-27936

This part has been superseded.

27-27936 - 27-27936 - GASKET O [ More info ]
Unavailable
Replaced by 27-27936 1
GASKET 27-27936  1
27-27936  1

About Mercury Marine

OEM Part

27-27936 1 - Gasket [ More info ]

Add to shopping cart $2.60
10+ in stock. Explain stock levels

#35 10-20540 SCREW, TRANSFER PORT COVER MOUNTING (5/8") (6 required per assembly)
SCREW,NLA 10-20540
 

About Mercury Marine

OEM Part

10-20540 - Screw, NLA [ More info ]

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

#- 27-72486A78 GASKET SET
27-72486A78 - GASKET SET        O - Replaced by 27-72486A79
 

This part has been superseded.

27-72486A78 - 27-72486A78 - GASKET SET O [ More info ]
Unavailable
Replaced by 27-72486A79
27-72486A79 - GASKET SET        O - Replaced by 27-72486A32
 

This part has been superseded.

27-72486A79 - 27-72486A79 - GASKET SET O [ More info ]
Unavailable
Replaced by 27-72486A32
27-72486A32 - GASKET SET        O NLA
27-72486A32

About Mercury Marine

OEM Part

27-72486A32 - GASKET SET O NLA [ More info ]
Unavailable
Powerhead Gasket Set
18-4353

About Sierra Marine

OEM Match

18-4353 - Gasket Set 27-72486A32 [ More info ]

Add to shopping cart $92.99 $76.21
In stock Explain stock levels

#- 27-72486A79 GASKET SET