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Parts for Mariner 55 HP (3 Cylinder) Cylinder Block & Crankcase

# -811209T91 POWERHEAD ASSEMBLY COMPLETE (60) (1 required per assembly) (S/N 0D181999 & BELOW) (POWERHEAD INCLUDES 0.008 REED)
811209T91 - POWERHEAD ASSEMBL  NLA
 

About Mercury Marine

OEM Part

811209T91 - PH 50/60 3 CYL,NLA [ More info ]
Unavailable
# 27-812867A97 ENGINE GASKET SET (1 required per assembly)
GASKET SET 27-812867A97
27-812867A97

About Mercury Marine

OEM Part

27-812867A97 - Engine Overhaul Gasket Set [ More info ]

Add to shopping cart $110.85
2 In Stock.

# -811209T93 POWERHEAD ASSEMBLY COMPLETE (ALL) (1 required per assembly) (S/N 0D182000 & UP) (POWERHEAD INCLUDES 0.008 REED)
811209T93 - POWERHEAD ASSEMBL  NLA
 

About Mercury Marine

OEM Part

811209T93 - PH 50/60 3CYL,NLA [ More info ]
Unavailable
# -811208T91 POWERHEAD ASSEMBLY COMPLETE (50) (1 required per assembly) (S/N 0D181999 & BELOW) (POWERHEAD INCLUDES 0.008 REED)
811208T91 - POWERHEAD ASSEMBL  NLA
 

About Mercury Marine

OEM Part

811208T91 - PH 50/60 3CYL,NLA [ More info ]
Unavailable
# -821744T92 POWERHEAD ASSEMBLY COMPLETE (55) (1 required per assembly) (S/N 0D181999 & BELOW) (POWERHEAD INCLUDES 0.008 REED)
821744T92 - POWERHEAD ASSEMBL  NLA
 

About Mercury Marine

OEM Part

821744T92 - Powerhead MARINE,NLA [ More info ]
Unavailable
#1 883-9755A 9 CYLINDER BLOCK (50) (1 required per assembly) (S/N 0D181999 & BELOW)
883-9755A 9 - CYLINDER BLOCK     NLA
 

About Mercury Marine

OEM Part

883-9755A 9 - Cylinder Block,NLA [ More info ]
Unavailable
#1 883-9755A14 CYLINDER BLOCK (55) (1 required per assembly) (S/N 0D181999 & BELOW)
883-9755A14 - CYLINDER BLOCK     - Replaced by 883-9755T14
 

883-9755A14 - CYL BLK [ More info ]
Unavailable
883-9755T14 - CYLINDER BLOCK     NLA
 

About Mercury Marine

OEM Part

883-9755T14 - Cylinder Block,NLA [ More info ]
Unavailable
#1 883-9755A10 CYLINDER BLOCK (60) (1 required per assembly) (S/N 0D181999 & BELOW)
883-9755A10 - CYLINDER BLOCK     - Replaced by 883-9755T10
 

883-9755A10 - Cylinder Block [ More info ]
Unavailable
883-9755T10 - CYLINDER BLOCK     NLA
 

About Mercury Marine

OEM Part

883-9755T10 - Cylinder Block,NLA [ More info ]
Unavailable
#1 883-9755A15 CYLINDER BLOCK (ALL) (1 required per assembly) (S/N 0D182000 & ABOVE)
883-9755A15 - CYLINDER BLOCK     - Replaced by 883-9755T15
 

883-9755A15 - Cylinder Block [ More info ]
Unavailable
883-9755T15 - CYLINDER BLOCK     NLA
 

About Mercury Marine

OEM Part

883-9755T15 - Cylinder Block, NLA [ More info ]
Unavailable
#2 10-817427 80 SCREW (8 required per assembly)
SCREW (M8 x 80) 10-817427 80
10-817427 80

About Mercury Marine

OEM Part

10-817427 80 - Screw [ More info ]

Add to shopping cart $4.30
Available to Order: Usually ships within 10 days.

#3 10-817427 30 SCREW (6 required per assembly)
SCREW (M8 x 30) 10-817427 30
10-817427 30

About Mercury Marine

OEM Part

10-817427 30 - Screw [ More info ]

Add to shopping cart $1.10 $0.94
10+ In Stock.

#4 21-42658 CHECK VALVE (1 required per assembly)
21426582 21-42658
21-42658

About Mercury Marine

OEM Part

21-42658 - Check Valve [ More info ]

Add to shopping cart $7.46
7 In Stock.

21-426582 - ->426585 - Replaced by -426585
 

21-42658 2 - Check Valve [ More info ]
Unavailable
VALVE-CHECK 21-426585
21-426585

About Mercury Marine

OEM Part

21-42658 5 - Check Valve [ More info ]

Add to shopping cart $25.17
1 In Stock.

#5 32-99130122 HOSE (16") (1 required per assembly)
32-99130122 - TUBING (20.00 Fee  - Replaced by 32-892024122
32-99130122

32-99130122 - Tubing-20 FEET [ More info ]
Unavailable
TUBING-20 FEET 32-892024122
32-892024122

About Mercury Marine

OEM Part

32-892024122 - Tubing - 20 Feet [ More info ]

Add to shopping cart $46.33
In Stock

#6 21-42623 CHECK VALVE (PRESS-IN) (1 required per assembly)
21426231 21-42623
 

About Mercury Marine

OEM Part

21-42623 - Check Valve [ More info ]

Add to shopping cart $4.43
10+ In Stock.

21426233 21-426231
21-426231

About Mercury Marine

OEM Part

21-42623 1 - Check Valve [ More info ]

Add to shopping cart $4.40
10 In Stock.

CHECK VALVE 21-426233
21-426233

About Mercury Marine

OEM Part

21-42623 3 - Check Valve [ More info ]

Add to shopping cart $102.32
3 In Stock.

#7 -812888A 1 CARRIER ASSEMBLY (2 required per assembly)
CARRIER ASSY 812888A 1
 

About Mercury Marine

OEM Part

812888A 1 - Carrier Assembly [ More info ]

Add to shopping cart $11.70
Available to Order: Usually ships within 10 days.

#8 21-42657A 1 CHECK VALVE (2 required per assembly)
2142657A3 21-42657A 1
 

About Mercury Marine

OEM Part

21-42657A 1 - Check Valve Assembly [ More info ]

Add to shopping cart $7.78
7 In Stock.

VALVE ASSY-CHECK 21-42657A 3
 

About Mercury Marine

OEM Part

21-42657A 3 - Check Valve Assembly [ More info ]

Add to shopping cart $7.00
Available to Order: Usually ships within 10 days.

#9 10-814776 ADJUSTING SCREW (1 required per assembly)
SCREW Adjusting (M6 x 5 10-814776
10-814776

About Mercury Marine

OEM Part

10-814776 - Screw [ More info ]

Add to shopping cart $3.10
7 In Stock.

#10 11-40021 2 JAM NUT (1 required per assembly)
NUT (M6) Stainless Stee 11-40021  2
11-40021  2

About Mercury Marine

OEM Part

11-40021 2 - Nut [ More info ]

Add to shopping cart $2.80
10+ In Stock.

#11 -42942 CAP (1 required per assembly)
CAP 42942
42942

About Mercury Marine

OEM Part

42942 - Nylon Cap [ More info ]

Add to shopping cart $1.80
Available to Order: Usually ships within 10 days.

#12 17-20033 DOWEL PIN (LOCATING) (1 required per assembly)
1743044 17-20033
 

About Mercury Marine

OEM Part

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

Add to shopping cart $1.27
10+ In Stock.

PIN-DOWEL-SOLID 17-43044
17-43044

About Mercury Marine

OEM Part

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

Add to shopping cart $2.40
1 In Stock.

#13 17-812870 DOWEL PIN (BEARING RACE) (3 required per assembly)
17-812870 - PIN Center Main    - Replaced by 17-8128701
 

17-812870 - Pin, Center Main, Dowel [ More info ]
Unavailable
17-8128701 - ->8M0084653 - Replaced by -8M0084653
 

17-812870 1 - Pin -Dowel [ More info ]
Unavailable
PIN - DOWEL 17-8M0084653
 

About Mercury Marine

OEM Part

178M0084653 - PIN - DOWEL [ More info ]

Add to shopping cart $3.50
Available to Order: Usually ships within 10 days.

#14 -18597 COVER (1 required per assembly)
COVER,NLA 18597
 

About Mercury Marine

OEM Part

18597 - Cover [ More info ]

Add to shopping cart $14.00
10+ In Stock.

#15 10-817427 50 SCREW (2 required per assembly)
10-817427 50 - SCREW (M8 x 50)
10-817427 50

About Mercury Marine

OEM Part

10-817427 50 - Screw [ More info ]
Unavailable
#16 -65848 CARRIER (1 required per assembly) (50/60 - DESIGN I)
CARRIER 65848
65848

About Mercury Marine

OEM Part

65848 - Carrier [ More info ]

Add to shopping cart $3.50
10+ In Stock.

#17 25-64872 GROMMET (1 required per assembly) (50/60 - DESIGN I)
GROMMET 25-64872
25-64872

About Mercury Marine

OEM Part

25-64872 - Grommet, Poppet Relief Valve [ More info ]

Add to shopping cart $3.50
7 In Stock.

#18 27-812867 1 GASKET (1 required per assembly) (USE W/DESIGN I REF'S # 16 & 17)
GASKET 27-812867  1
27-812867  1

About Mercury Marine

OEM Part

27-812867 1 - Gasket [ More info ]

Add to shopping cart $6.70
3 In Stock.

#18 27-812867 2 GASKET (1 required per assembly) (DESIGN II - W/O REF'S #16 & 17)
GASKET 27-812867  2
27-812867  2

About Mercury Marine

OEM Part

27-812867 2 - Gasket [ More info ]

Add to shopping cart $7.00
4 In Stock.

#19 16-816194 1 STUD (2 required per assembly)
16-816194  1 - STUD               - Replaced by 16-816194  6
 

16-816194 1 - STUD [ More info ]
Unavailable
16-816194  6 - STUD               - Replaced by 16-816194  9
 

16-816194 6 - Stud [ More info ]
Unavailable
STUD (M6 x 44) 16-816194  9
 

About Mercury Marine

OEM Part

16-816194 9 - Stud [ More info ]

Add to shopping cart $11.70
Available to Order: Usually ships within 10 days.

#20 22-18598 PIPE PLUG (4 required per assembly)
22-18598 - PIPE PLUG          - Replaced by 22-185981
 

22-18598 - PLUG [ More info ]
Unavailable
PLUG-PIPE 22-185981
 

About Mercury Marine

OEM Part

22-18598 1 - Pipe Plug [ More info ]

Add to shopping cart $2.70
Available to Order: Usually ships within 10 days.

#21 10-817430110 SCREW (6 required per assembly)
SCREW 10-817430110
10-817430110

About Mercury Marine

OEM Part

10-817430110 - Screw [ More info ]

Add to shopping cart $3.70
10+ In Stock.

#22 10-817427 20 SCREW (20MM - QTY. OF 3 ON 55) (4 required per assembly) (USE W/DESIGN I REF'S # 16 & 17)
SCREW (M8 x 20) 10-817427 20
10-817427 20

About Mercury Marine

OEM Part

10-817427 20 - Screw [ More info ]

Add to shopping cart $8.70
Available to Order: Usually ships within 10 days.

#22A 10-12896 SCREW (55) (1 required per assembly) (USE W/DESIGN I REF'S # 16 & 17)
SCREW (#8-18 x .310) 10-12896
10-12896

About Mercury Marine

OEM Part

10-12896 - Screw [ More info ]

Add to shopping cart $1.00
Available to Order: Usually ships within 10 days.

#22 10-40011149 SCREW (25MM - QTY. OF 3 ON 55) (4 required per assembly) (DESIGN II - W/O REF'S # 16 & 17)
SCREW (M8 x 25) Stainle 10-40011149
10-40011149

About Mercury Marine

OEM Part

10-40011149 - Screw [ More info ]

Add to shopping cart $2.60
Available to Order: Usually ships within 10 days.

#23 -812882 1 POPPET VALVE (1 required per assembly) 50/60
POPPET 812882  1
812882  1

About Mercury Marine

OEM Part

812882 1 - Poppet [ More info ]

Add to shopping cart $8.90
Available to Order: Usually ships within 10 days.

#24 -812887 DIAPHRAGM (1 required per assembly) 50/60 (USE W/DESIGN I REF'S # 16 & 17)
DIAPHRAGM 812887
812887

About Mercury Marine

OEM Part

812887 - Diaphragm [ More info ]

Add to shopping cart $35.25 $29.96
1 In Stock.

#24 -812887 1 DIAPHRAGM (1 required per assembly) (50/60) (DESIGN II - W/O REF'S #16 & 17)
812887  1 - DIAPHRAGM          - Replaced by -812887002
 

812887 1 - Diaphragm [ More info ]
Unavailable
DIAPHRAGM 812887002
812887002

About Mercury Marine

OEM Part

812887002 - Poppet Diaphragm [ More info ]

Add to shopping cart $9.50
10+ In Stock.

#25 12-94182 WASHER (1 required per assembly) (50/60)
WASHER 12-94182
12-94182

About Mercury Marine

OEM Part

12-94182 - Washer [ More info ]

Add to shopping cart $3.50
2 In Stock.

#26 10-69570 SCREW (1 required per assembly) (50/60)
SCREW (#10-16 x .750) 10-69570
10-69570

About Mercury Marine

OEM Part

10-69570 - Screw [ More info ]

Add to shopping cart $1.70
10+ In Stock.

#27 24-90392 SPRING (1 required per assembly) (50/60)
SPRING 24-90392
 

About Mercury Marine

OEM Part

24-90392 - Spring, Poppet Valve [ More info ]

Add to shopping cart $23.83
Available to Order: Usually ships within 10 days.

#27 24-18336 SPRING (60 PONTOON) (1 required per assembly) (50/60)
24-18336 - SPRING             - Replaced by 24-42996
 

24-18336 - Spring [ More info ]
Unavailable
SPRING 24-42996
24-42996

About Mercury Marine

OEM Part

24-42996 - Spring, Compression - Poppet Valve [ More info ]

Add to shopping cart $1.70
3 In Stock.

#28 -75692 THERMOSTAT (143) (1 required per assembly) (50/60)
THERMOSTAT-147 75692
75692

About Mercury Marine

OEM Part

75692 - Thermostat, 147 Degrees [ More info ]

Add to shopping cart $24.08
10+ In Stock.

THERMOSTAT
18-3553

About Sierra Marine

OEM Match

18-3553 - Thermostat, 143 Degrees, 75692 [ More info ]

Add to shopping cart $25.99 $22.66
10+ In Stock.

THERMOSTAT AY 5005440
5005440

About Johnson Evinrude OMC

OEM Part

5005440 - Thermostat, 143 Degrees [ More info ]

Add to shopping cart $27.49 $22.51
10+ In Stock.

#28 -14586 THERMOSTAT (120) (1 required per assembly) 50/60
THERMOSTAT-120 14586
14586

About Mercury Marine

OEM Part

14586 - Thermostat, 120 Degrees [ More info ]

Add to shopping cart $35.17
In Stock

THERMOSTAT 120F
18-3549

About Sierra Marine

OEM Match

18-3549 - Thermostat, 120 Degrees, 14586 [ More info ]

Add to shopping cart $27.69 $25.41
10+ In Stock.

#29 27-62386 GASKET (1 required per assembly) 50/60
27-62386 - GASKET             - Replaced by 27-62386001
27-62386

27-62386 - Thermostat Gasket [ More info ]
Unavailable
278M0204714 27-62386001
27-62386001

About Mercury Marine

OEM Part

27-62386001 - Thermostat Gasket [ More info ]

Add to shopping cart $2.50
10+ In Stock.

GASKET 27-8M0204714
27-8M0204714

About Mercury Marine

OEM Part

27-8M0204714 - Thermostat Gasket, Priced Individually [ More info ]

Add to shopping cart $2.80
10+ In Stock.

THERMOSTAT GASKET 2
18-0182

About Sierra Marine

OEM Match

18-0182-9 - Gasket 27-62386 2-Pack [ More info ]

Add to shopping cart $4.13 $3.19
Available to Order: Usually ships within 10 days.

#30 22-32802 PIPE PLUG (1 required per assembly)
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.

#31 -78799 2 TEMPERATURE SENDER (1 required per assembly)
SENDER-TEMP 78799  2
78799  2

About Mercury Marine

OEM Part

78799 2 - Temperature Sender [ More info ]

Add to shopping cart $103.33
5 In Stock.

#32 -44552 RETAINER (1 required per assembly)
889733 44552
 

About Mercury Marine

OEM Part

44552 - Retainer [ More info ]

Add to shopping cart $2.50
1 In Stock.

RETAINER 889733
889733

About Mercury Marine

OEM Part

889733 - Retainer [ More info ]

Add to shopping cart $5.40
Available to Order: Usually ships within 10 days.

#33 10-812832 1 SCREW (1 required per assembly)
10-812832  1 - SCREW (#10-16 x .  - Replaced by 10-878609
 

10-812832 1 - SCREW [ More info ]
Unavailable
10-878609 - SCREW (#10-16 x .
10-878609

About Mercury Marine

OEM Part

10-878609 - Screw [ More info ]
Unavailable
#34 12-56681 WASHER (1 required per assembly)
128M0204666 12-56681
12-56681

About Mercury Marine

OEM Part

12-56681 - Washer, (.203 X .500 X .032) [ More info ]

Add to shopping cart $1.67
10+ In Stock.

WASHER 12-8M0204666
 

About Mercury Marine

OEM Part

128M0204666 - WASHER Note: Priced Individually [ More info ]

Add to shopping cart $1.70
Available to Order: Usually ships within 10 days.

#35 12-49221 WASHER (2 required per assembly) (50/60)
12-49221 - WASHER (.187 x .5  - Replaced by -8M0204663
12-49221

12-49221 - Washer, (.187 X .500 X .062) Neoprene [ More info ]
Unavailable
WASHER 12-8M0204663
12-8M0204663

About Mercury Marine

OEM Part

12-8M0204663 - Washer, Sold Individually [ More info ]

Add to shopping cart $1.20
10+ In Stock.

#36 12-69056 WASHER (2 required per assembly) (50/60)
WASHER (.255 x .620 x . 12-69056
 

About Mercury Marine

OEM Part

12-69056 - Washer, (.255 X .620 X .030) Stainless Steel [ More info ]

Add to shopping cart $1.70
4 In Stock.

#37 11-816872 WING NUT (2 required per assembly) (50/60)
NUT-WING 11-816872
 

About Mercury Marine

OEM Part

11-816872 - Wing Nut [ More info ]

Add to shopping cart $2.70
Available to Order: Usually ships within 10 days.

#38 22-99664 ELBOW (1 required per assembly) (50/60)
22-99664 - ELBOW              - Replaced by 22-996641
 

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

22-99664 1 - Elbow [ More info ]
Unavailable
ELBOW 22-996642
22-996642

About Mercury Marine

OEM Part

22-99664 2 - Elbow [ More info ]

Add to shopping cart $2.60
5 In Stock.

#38 22-78279 ELBOW (1 required per assembly) (55)
22-78279 - ELBOW              - Replaced by 22-782791
 

22-78279 - Elbow [ More info ]
Unavailable
22-782791 - ->782792 - Replaced by -782792
 

22-78279 1 - Elbow [ More info ]
Unavailable
ELBOW 22-782792
22-782792

About Mercury Marine

OEM Part

22-78279 2 - Elbow [ More info ]

Add to shopping cart $6.80
Available to Order: Usually ships within 10 days.

#39 -19074 COVER (1 required per assembly) (USE W/DESIGN I REF'S # 16 & 17)
19074 - COVER              NLA
 

About Mercury Marine

OEM Part

19074 - Cover, NLA [ More info ]
Unavailable
#39 -19074 1 COVER (1 required per assembly) (DESIGN II - W/O REF'S #16 & 17)
19074  1 - COVER              - Replaced by -8M0036859
19074  1

19074 1 - COVER [ More info ]
Unavailable
COVER 8M0036859
8M0036859

About Mercury Marine

OEM Part

8M0036859 - Cover [ More info ]

Add to shopping cart $33.92
Available to Order: Usually ships within 10 days.

#40 22-65857 FITTING (1 required per assembly) (50/60)
2256759 22-65857
 

About Mercury Marine

OEM Part

22-65857 - Fitting [ More info ]

Add to shopping cart $5.50
10+ In Stock.

FITTING Barbed 22-56759
22-56759

About Mercury Marine

OEM Part

22-56759 - Fitting [ More info ]

Add to shopping cart $11.20
Available to Order: Usually ships within 10 days.

#41 -812996 1 COVER (1 required per assembly) (55)(S/N 0A000000-0D181999)
812996  1 - COVER              NLA
 

About Mercury Marine

OEM Part

812996 1 - COVER [ More info ]
Unavailable
#41 -812996 2 COVER (1 required per assembly) (55)(S/N 0D182000-0Z999999)
812996  2 - COVER
812996  2

About Mercury Marine

OEM Part

812996 2 - Cover [ More info ]
Unavailable
#42 25-48462 O-RING (1 required per assembly) (55)
O RING 25-48462
25-48462

About Mercury Marine

OEM Part

25-48462 - O-ring, (.614 X .070) [ More info ]

Add to shopping cart $1.70
4 In Stock.

#43 10-40011108 SCREW (2 required per assembly) (55)
SCREW (M5 x 20) Stainle 10-40011108
10-40011108

About Mercury Marine

OEM Part

10-40011108 - Screw [ More info ]

Add to shopping cart $1.70
Available to Order: Usually ships within 10 days.

#45 -821595 LIFTING EYE (1 required per assembly) (55)
EYE LIFTING,NLA 821595
 

About Mercury Marine

OEM Part

821595 - Lifting Eye, NLA [ More info ]

Add to shopping cart $4.50
8 In Stock.

#46 10-821616 SCREW (1 required per assembly) 55 (45MM - USE W/DESIGN I REF'S # 16 & 17)
10-821616 - SCREW              NLA
 

About Mercury Marine

OEM Part

10-821616 - SCREW,NLA [ More info ]
Unavailable
#46 10-821606 SCREW (1 required per assembly) 55 (55MM - DESIGN II - W/O REF'S #16 & 17 )
10-821606 - SCREW              NLA
 

About Mercury Marine

OEM Part

10-821606 - SCREW,NLA [ More info ]
Unavailable
#47 11-40026 5 NUT (1 required per assembly) (55)
11-40026  5 - NUT (M8)           - Replaced by 11-40136  8
 

11-40026 5 - NUT Note: Priced Individually [ More info ]
Unavailable
NUT 11-40136  8
 

About Mercury Marine

OEM Part

11-40136 8 - Nut - Priced Individually [ More info ]

Add to shopping cart $5.10
2 In Stock.


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