Logo

Parts for Mercury Marine Model 45, 4.5 HP (1 Cylinder) Cylinder Block & Crankcase Assembly

# 27-46232A73 GASKET SET
27-46232A73 - GASKET             - Replaced by 27-78139A79
 

This part has been superseded.

27-46232A73 - 27-46232A73 - GASKET [ More info ]
Unavailable
Replaced by 27-78139A79
27-78139A79 - GASKET SET         - Replaced by 27-78139A80
 

This part has been superseded.

27-78139A79 - 27-78139A79 - GASKET SET [ More info ]
Unavailable
Replaced by 27-78139A80
27-78139A80 - GASKET SET         NLA
27-78139A80

About Mercury Marine

OEM Part

27-78139A80 - GASKET SET NLA [ More info ]
Unavailable
#1 843-5697A 3 CYLINDER BLOCK AND CRANKCASE ASSEMBLY (1 required per assembly) UNITED STATES 4597261 AND BELOW AUSTRALIA 8044349 AND BELOW BELGIUM 9139799 AND BELOW CANADA 7091997 AND BELOW
843-5697A 3 - CYINDER BLOCK      - Replaced by 843-6423A 3
 

This part has been superseded.

843-5697A 3 - 843-5697A 3 - CYINDER BLOCK [ More info ]
Unavailable
Replaced by 843-6423A 3
843-6423A 3 - CYLINDER BLOCK     - Replaced by 843-7464A 2
 

This part has been superseded.

843-6423A 3 - 843-6423A 3 - CYLINDER BLOCK [ More info ]
Unavailable
Replaced by 843-7464A 2
843-7464A 2 - CYLINDER BLOCK     - Replaced by 843-8694A 3
 

This part has been superseded.

843-7464A 2 - 843-7464A 2 - CYLINDER BLOCK [ More info ]
Unavailable
Replaced by 843-8694A 3
843-8694A 3 - CYLINDER BLOCK     NLA
843-8694A 3

About Mercury Marine

OEM Part

843-8694A 3 - CYLINDER BLOCK NLA [ More info ]
Unavailable
#1 843-6423A 3 CYLINDER BLOCK AND CRANKCASE ASSEMBLY (1 required per assembly) UNITED STATES 4597262 THRU 5270783 AUSTRALIA 8044350 THRU 8059344 BELGIUM 9139800 THRU 9221755 CANADA 7091998 THRU 7128837
#1 843-7464A 2 CYLINDER BLOCK AND CRANKCASE ASSEMBLY (1 required per assembly) UNITED STATES 5270784 AND UP AUSTRALIA 8059345 AND UP BELGIUM 9221756 AND UP CANADA 7128838 AND UP
#2 16-66021 STUD, CYL. BLOCK, CRANKCASE AND CARBURETOR (8 required per assembly)
STUD,NLA 16-66021
 

About Mercury Marine

OEM Part

16-66021 - Stud, NLA [ More info ]

Add to shopping cart $3.00
10+ In Stock.

#4 17-46912 PIN, DOWL - CRANKCASE TO CYLINDER BLOCK (2 required per assembly)
1785500 17-46912
 

About Mercury Marine

OEM Part

17-46912 - Pin -Dowel [ More info ]

Add to shopping cart $0.50
10+ In Stock.

178M0084726 17-85500
 

About Mercury Marine

OEM Part

17-85500 - Pin, Dowel (.187 X .530) [ More info ]

Add to shopping cart $1.50
10+ In Stock.

PIN - DOWEL 17-8M0084726
 

About Mercury Marine

OEM Part

178M0084726 - Pin - Dowel [ More info ]

Add to shopping cart $4.90
Available to Order: Usually ships within 10 days.

#5 21-77561 FITTING ASSEMBLY, BLEED DRAIN (1 required per assembly)
2142867 21-77561
 

About Mercury Marine

OEM Part

21-77561 - Check Vale [ More info ]

Add to shopping cart $4.43
1 In Stock.

21-42867 - CHECK VALVE        - Replaced by 21-428671
 

This part has been superseded.

21-42867 - 21-42867 - CHECK VALVE [ More info ]
Unavailable
Replaced by 21-428671
VALVE-CHECK,NLA 21-428671
21-428671

About Mercury Marine

OEM Part

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

Add to shopping cart $25.85
10+ In Stock.

#7 32-54936 HOSE, BLEED DRAIN (7 1/2") (1 required per assembly)
32-54936 - HOSE               - Replaced by 32-5493576
 

This part has been superseded.

32-54936 - 32-54936 - HOSE [ More info ]
Unavailable
Replaced by 32-5493576
32-5493576 - ->5493579 - Replaced by -5493579
 

This part has been superseded.

32-5493576 - 32-5493576 - ->5493579 [ More info ]
Unavailable
Replaced by -5493579
32-5493579 - ->9938779 - Replaced by -9938779
 

This part has been superseded.

32-5493579 - 32-5493579 - ->9938779 [ More info ]
Unavailable
Replaced by -9938779
HOSE-27 INCH 32-9938779
32-9938779

About Mercury Marine

OEM Part

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

Add to shopping cart $11.90
Available to Order: Usually ships within 10 days.

#8 54-56223 CLAMP, BLEED HOSE ATTACHING (2 required per assembly)
54-56223 - CLAMP              NLA
54-56223

About Mercury Marine

OEM Part

54-56223 - CLAMP NLA [ More info ]
Unavailable
#9 22-78916 ELBOW, BLEED DRAIN (1 required per assembly)
ELBOW,NLA 22-78916
 

About Mercury Marine

OEM Part

22-78916 - Elbow, NLA [ More info ]

Add to shopping cart $11.25
10+ In Stock.

#10 22-25885 ELBOW (90 - 1/8" MALE (TEL TALE) (1 required per assembly)
22-25885 - ELBOW              - Replaced by 22-99664
 

This part has been superseded.

22-25885 - 22-25885 - ELBOW [ More info ]
Unavailable
Replaced by 22-99664
22-99664 - ELBOW              - Replaced by 22-996641
 

This part has been superseded.

22-99664 - 22-99664 - ELBOW [ More info ]
Unavailable
Replaced by 22-996641
22-996641 - ->996642 - Replaced by -996642
 

This part has been superseded.

22-996641 - 22-996641 - ->996642 [ More info ]
Unavailable
Replaced by -996642
ELBOW 22-996642
22-996642

About Mercury Marine

OEM Part

22-99664 2 - Elbow [ More info ]

Add to shopping cart $2.60
10+ In Stock.

#11 10-24624 SCREW, CRANKCASE TO CYLINDER BLOCK (1 3/4") (2 required per assembly) UNITED STATES 4597261 AND BELOW AUSTRALIA 8044349 AND BELOW BELGIUM 9139799 AND BELOW CANADA 7091997 AND BELOW
SCREW,NLA 10-24624
 

About Mercury Marine

OEM Part

10-24624 - Screw, NLA [ More info ]

Add to shopping cart $2.20
7 In Stock.

#12 10-31294 SCREW, CRANKCASE TO CYLINDER BLOCK (1") (8 required per assembly) UNITED STATES 4597261 AND BELOW AUSTRALIA 8044349 AND BELOW BELGIUM 9139799 AND BELOW CANADA 7091997 AND BELOW
1064278 10-31294
 

About Mercury Marine

OEM Part

10-31294 - Screw, NLA [ More info ]

Add to shopping cart $0.55
1 In Stock.

SCREW,NLA 10-64278
10-64278

About Mercury Marine

OEM Part

10-64278 - Screw, NLA [ More info ]

Add to shopping cart $1.98
10+ In Stock.

#13 11-46887 NUT, CRANKCASE FASTENING SCREW (10 required per assembly) UNITED STATES 4597261 AND BELOW AUSTRALIA 8044349 AND BELOW BELGIUM 9139799 AND BELOW CANADA 7091997 AND BELOW
11-46887 - NUT (1/4-28)       - Replaced by 11-20184
 

This part has been superseded.

11-46887 - 11-46887 - NUT (1/4-28) [ More info ]
Unavailable
Replaced by 11-20184
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.

#11 10-73280 SCREW, CRANKCASE TO CYLINDER BLOCK (1 1/2") (2 required per assembly) UNITED STATES 4597262 AND UP AUSTRALIA 8044350 AND UP BELGIUM 9139800 AND UP CANADA 7091998 AND UP
SCREW,NLA 10-73280
 

About Mercury Marine

OEM Part

10-73280 - Screw, NLA [ More info ]

Add to shopping cart $1.39
10+ In Stock.

#12 10-76621 SCREW, CRANKCASE TO CYLINDER BLOCK (1") (8 required per assembly) UNITED STATES 4597262 AND UP AUSTRALIA 8044350 AND UP BELGIUM 9139800 AND UP CANADA 7091998 AND UP
SCREW,NLA 10-76621
 

About Mercury Marine

OEM Part

10-76621 - Screw, NLA [ More info ]

Add to shopping cart $1.59
10+ In Stock.

#14 70726 REED BLOCK (1 required per assembly)
70726 - REED BLOCK         NLA
 

About Mercury Marine

OEM Part

70726 - Reed Block,NLA [ More info ]
Unavailable
#15 34-35836 REED, INLET VALVE (2 required per assembly)
REED 34-35836
34-35836

About Mercury Marine

OEM Part

34-35836 - Reed - Priced Individually [ More info ]

Add to shopping cart $10.90
Available to Order: Usually ships within 10 days.

#16 34-22215 RETAINER, REED (2 required per assembly)
REED STOP,NLA 34-22215
 

About Mercury Marine

OEM Part

34-22215 - Reed Stop, NLA [ More info ]

Add to shopping cart $7.00
10+ In Stock.

#17 10-28430 SCREW, REED AND RETAINER TO BLOCK (1/4") (4 required per assembly)
SCREW (#6-32 x .25) 10-28430
10-28430

About Mercury Marine

OEM Part

10-28430 - Screw [ More info ]

Add to shopping cart $1.10
Available to Order: Usually ships within 10 days.

#18 27-35739 GASKET, REED BLOCK TO CRANKCASE (1 required per assembly)
27357391 27-35739
27-35739

About Mercury Marine

OEM Part

27-35739 - Reed Block To Crankcase Gasket [ More info ]

Add to shopping cart $2.77
10+ In Stock.

GASKET,NLA 27-357391
27-357391

About Mercury Marine

OEM Part

27-35739 1 - Gasket, NLA [ More info ]

Add to shopping cart $2.78
10+ In Stock.

#19 30-20861 BEARING, BALL - CRANKCASE (LOWER) (1 required per assembly)
30-20861 - BALL BEARING@2     - Replaced by 30-72961
 

This part has been superseded.

30-20861 - 30-20861 - BALL BEARING@2 [ More info ]
Unavailable
Replaced by 30-72961
BEARING-BALL 30-72961
30-72961

About Mercury Marine

OEM Part

30-72961 - Ball Bearing [ More info ]

Add to shopping cart $23.00
In Stock

BEARING BALL
18-1398

About Sierra Marine

OEM Match

18-1398 - Bearing, 30-72961 [ More info ]

Add to shopping cart $20.99 $17.23
In Stock

#20 26-56397 OIL SEAL, CRANKCASE (LOWER) (1 required per assembly)
SEAL,NLA 26-56397
26-56397

About Mercury Marine

OEM Part

26-56397 - Seal, NLA [ More info ]

Add to shopping cart $26.66
10+ In Stock.

#21 15-31412A 1 SHIM ASSEMBLY (AR required per assembly) UPPER HOUSING TO BLOCK (.002-3-5-10)
SHIM SET,NLA 15-31412A 1
 

About Mercury Marine

OEM Part

15-31412A 1 - Shim Set, NLA [ More info ]

Add to shopping cart $12.83
6 In Stock.

#22 1132-4471A 1 BEARING HOUSING ASSEMBLY, UPPER (1 required per assembly) UNITED STATES 4597261 AND BELOW AUSTRALIA 8044349 AND BELOW BELGIUM 9139799 AND BELOW CANADA 7091997 AND BELOW
1132-4471A 1 - HOUSING ASSY       - Replaced by 1132-6352A 1
 

This part has been superseded.

1132-4471A 1 - 1132-4471A 1 - HOUSING ASSY [ More info ]
Unavailable
Replaced by 1132-6352A 1
1132-6352A 1 - HOUSING ASSEMBLY   NLA
 

About Mercury Marine

OEM Part

1132-6352A 1 - HOUSING ASSEMBLY NLA [ More info ]
Unavailable
#22 1132-6352A 1 BEARING HOUISNG ASSEMBLY, UPPER (1 required per assembly) UNITED STATES 4597262 AND UP AUSTRALIA 8044350 AND UP BELGIUM 9139800 AND UP CANADA 7091998 AND UP
#24 31-31410 BEARING, ROLLER - UPPER BEARING HOUSING (1 required per assembly)
BEARING,NLA 31-31410
31-31410

About Mercury Marine

OEM Part

31-31410 - Roller Bearing - Upper Bearing Housing [ More info ]

Add to shopping cart $23.22
10+ In Stock.

#25 26-31411 OIL SEAL, UPPER BEARING HOUSING (1 required per assembly) UNITED STATES 4597261 AND BELOW AUSTRALIA 8044349 AND BELOW BELGIUM 9139799 AND BELOW CANADA 7091997 AND BELOW
SEAL ,NLA 26-31411
26-31411

About Mercury Marine

OEM Part

26-31411 - Seal, NLA [ More info ]

Add to shopping cart $35.54
10+ In Stock.

#25 26-66301 OIL SEAL, UPPER BEARING HOUSING (1 required per assembly) UNITED STATES 4597262 AND UP AUSTRALIA 8044350 AND UP BELGIUM 9139800 AND UP CANADA 7091998 AND UP
SEAL 26-66301
26-66301

About Mercury Marine

OEM Part

26-66301 - Seal - Priced Individually [ More info ]

Add to shopping cart $19.75 $13.28
7 In Stock.

#26 25-20863 "O" RING, UPPER BEARING HOUSING (1 required per assembly)
O RING 25-20863
25-20863

About Mercury Marine

OEM Part

25-20863 - O-ring, Upper Bearing Housing [ More info ]

Add to shopping cart $4.40
10+ In Stock.

O-RING 5
18-7152

About Sierra Marine

OEM Match

18-7152-9 - O-Ring 5 Pack 25-20863 [ More info ]

Add to shopping cart $10.19
1 In Stock.

#27 54-34598 CLAMP, HOLD DOWN RING (2 required per assembly)
CLIP,NLA 54-34598
54-34598

About Mercury Marine

OEM Part

54-34598 - Clip, NLA [ More info ]

Add to shopping cart $6.00
10+ In Stock.

#28 10-36205 SCREW (4 required per assembly) HOLD DOWN RING CLAMP TO BEARING HSG. (9/16")
SCREW,NLA 10-36205
 

About Mercury Marine

OEM Part

10-36205 - Screw, NLA [ More info ]

Add to shopping cart $1.25
10+ In Stock.

#29 24-34731 SPRING, HOLD DOWN RING CLAMP (4 required per assembly)
SPRING,NLA 24-34731
 

About Mercury Marine

OEM Part

24-34731 - Spring, NLA [ More info ]

Add to shopping cart $1.50
10+ In Stock.

#30 10-39002 SCREW, UPPER BEARING HOUSING (#12-24 X 1/2) (4 required per assembly)
SCREW,NLA 10-39002
 

About Mercury Marine

OEM Part

10-39002 - Screw, NLA [ More info ]

Add to shopping cart $1.50
10+ In Stock.

#31 35658 COVER, TRANSFER COVER (1 required per assembly)
35658 - COVER              NLA
 

About Mercury Marine

OEM Part

35658 - Cover, NLA [ More info ]
Unavailable
#32 27-35657 GASKET, TRANSFER PORT COVER (1 required per assembly)
GASKET,NLA 27-35657
27-35657

About Mercury Marine

OEM Part

27-35657 - Transfer Port Cover Gasket [ More info ]

Add to shopping cart $5.99
10+ In Stock.

#33 10-20720 SCREW (2 required per assembly) TRANSFER PORT COVER TO CYLINDER BLOCK (5/8")
SCREW,NLA 10-20720
 

About Mercury Marine

OEM Part

10-20720 - Screw, NLA [ More info ]

Add to shopping cart $1.39
10+ In Stock.

#34 1016-5230A 1 COVER ASSEMBLY, CYLINDER BLOCK (1 required per assembly) UNITED STATES 4869517 AND BELOW AUSTRALIA 8052879 AND BELOW BELGIUM 9186200 AND BELOW CANADA 7112922 AND BELOW
1016-5230A 1 - COVER ASSY         - Replaced by 1016-7070A 1
 

This part has been superseded.

1016-5230A 1 - 1016-5230A 1 - COVER ASSY [ More info ]
Unavailable
Replaced by 1016-7070A 1
1016-7070A 1 - COVER ASSEMBLY     NLA
 

About Mercury Marine

OEM Part

1016-7070A 1 - COVER ASSEMBLY NLA [ More info ]
Unavailable
#34 1016-7070A 1 COVER ASSEMBLY, CLYINDER BLOCK (1 required per assembly) UNITED STATES 4869518 AND UP AUSTRALIA 8052880 AND UP BELGIUM 9186201 AND UP CANADA 7112923 AND UP
#35 66019 MOUNT, RUBBER - COVER TO TOP COWL (2 required per assembly)
MOUNT,NLA 66019
66019

About Mercury Marine

OEM Part

66019 - Mount, NLA [ More info ]

Add to shopping cart $8.00
10+ In Stock.

#36 13-20202 LOCKWASHER, RUBBER MOUNT 2 (2 required per assembly)
LOCKWASHER,NLA 13-20202
 

About Mercury Marine

OEM Part

13-20202 - LockWasher, NLA [ More info ]

Add to shopping cart $1.65
10+ In Stock.

#37 NUT, RUBBER MOUNT TO COVER (2 required per assembly)
#38 27-78140 GASKET, COVER TO CYLINDER BLOCK (1 required per assembly)
27-78140 - GASKET             - Replaced by 27-41615
27-78140

This part has been superseded.

27-78140 - 27-78140 - GASKET [ More info ]
Unavailable
Replaced by 27-41615
27-41615 - GASKET             - Replaced by 27-416151
27-41615

This part has been superseded.

27-41615 - 27-41615 - GASKET [ More info ]
Unavailable
Replaced by 27-416151
GASKET 27-416151
27-416151

About Mercury Marine

OEM Part

27-41615 1 - Gasket [ More info ]

Add to shopping cart $8.00
1 In Stock.

#39 10-69086 SCREW (4 required per assembly) CYLINDER BLOCK COVER TO CYLINDER BLOCK (1 1/4") UNITED STATES 4597261 AND BELOW AUSTRALIA 8044349 AND BELOW BELGIUM 9139799 AND BELOW CANADA 7091997 AND BELOW
1021091 10-69086
 

About Mercury Marine

OEM Part

10-69086 - Screw - Priced Individually [ More info ]

Add to shopping cart $0.49
10+ In Stock.

SCREW,NLA 10-21091
 

About Mercury Marine

OEM Part

10-21091 - Screw, NLA [ More info ]

Add to shopping cart $1.99
10+ In Stock.

#39 10-76630 SCREW, CYLINDER BLOCK COVER TO CYLINDER BLOCK (1") (4 required per assembly) UNITED STATES 4597262 AND UP AUSTRALIA 8044350 AND UP BELGIUM 9139800 AND UP CANADA 7091998 AND UP
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.

#41 27-78139 GASKET, CYLINDER BLOCK TO BAFFLE PLATE (1 required per assembly)
27-78139 - GASKET             - Replaced by 27-41614
27-78139

This part has been superseded.

27-78139 - 27-78139 - GASKET [ More info ]
Unavailable
Replaced by 27-41614
27416141 27-41614
27-41614

About Mercury Marine

OEM Part

27-41614 - Cylinder Block Gasket [ More info ]

Add to shopping cart $1.80
1 In Stock.

GASKET 27-416141
27-416141

About Mercury Marine

OEM Part

27-41614 1 - Gasket - Priced Individually [ More info ]

Add to shopping cart $9.30
2 In Stock.

#42 46234 PLATE, BAFFLE - EXHAUST MANIFOLD (1 required per assembly)
PLATE,NLA 46234
46234

About Mercury Marine

OEM Part

46234 - Baffle Plate [ More info ]

Add to shopping cart $27.99
10+ In Stock.

#44 46171 COVER, EXHAUST MANIFOLD (1 required per assembly)
COVER,NLA 46171
 

About Mercury Marine

OEM Part

46171 - Exhaust Manifold Cover [ More info ]

Add to shopping cart $14.00
3 In Stock.

#45 10-49668 SCREW, PALTE/MANIFOLD COVER TO BLOCK (3/4") (6 required per assembly)
SCREW 10-49668
10-49668

About Mercury Marine

OEM Part

10-49668 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.10
2 In Stock.


This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.