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Parts for Mercury Marine 250 HP (3.0L EFI) Cyliner Block & End Cap

# 27-832934A00 GASKET SET, Powerhead (1 required per assembly)
27-832934A00 - GASKET SET Powerh
27-832934A00

About Mercury Marine

OEM Part

27-832934A00 - Powerhead Gasket Set [ More info ]
Unavailable
# 883894A07 POWERHEAD ASSEMBLY (1 required per assembly) (250)
883894A07 - POWERHEAD ASSEMBL
 

About Mercury Marine

OEM Part

883894A07 - Powerhead 250EFI 3L [ More info ]
Unavailable
# 891823A07 POWERHEAD ASSEMBLY (1 required per assembly) (200)
891823A07 - POWERHEAD ASSEMBL
 

About Mercury Marine

OEM Part

891823A07 - Powerhead 200EFI 3L [ More info ]
Unavailable
# 883892A07 POWERHEAD ASSEMBLY (1 required per assembly) (225)
883892A07 - POWERHEAD ASSEMBL
 

About Mercury Marine

OEM Part

883892A07 - Powerhead 225EFI 3L [ More info ]
Unavailable
#1 885-899162A05 CYLINDER BLOCK ASSEMBLY (1 required per assembly) (200)
885-899162A05 - CYLINDER BLOCK AS
 

About Mercury Marine

OEM Part

885-899162A05 - Cylinder Block [ More info ]
Unavailable
#1 885-899162A06 CYLINDER BLOCK ASSEMBLY (1 required per assembly) (225)
885-899162A06 - CYLINDER BLOCK AS
 

About Mercury Marine

OEM Part

885-899162A06 - Cylinder Block [ More info ]
Unavailable
#1 885-899162A07 CYLINDER BLOCK ASSEMBLY (1 required per assembly) (250)
885-899162A07 - CYLINDER BLOCK AS
 

About Mercury Marine

OEM Part

885-899162A07 - Cylinder Block [ More info ]
Unavailable
#2 10-818934 40 SCREW, (M8 x 40) (4 required per assembly)
SCREW (M8 x 40) 10-818934 40
10-818934 40

About Mercury Marine

OEM Part

10-818934 40 - Screw [ More info ]

Add to shopping cart $4.00
Available to Order: Usually ships within 10 days.

#3 856966 2 BRACKET (2 required per assembly)
856966  2 - BRACKET            - Replaced by -8M0041759
856966  2

856966 2 - COVER [ More info ]
Unavailable
8M0041759 - BRACKET            - Replaced by -8M0111325
8M0041759

8M0041759 - Cover [ More info ]
Unavailable
COVER 8M0111325
 

About Mercury Marine

OEM Part

8M0111325 - Cover [ More info ]

Add to shopping cart $44.00
Available to Order: Usually ships within 10 days.

#4 16-90350 9 STUD, (M10 x 1.5 x 64) (4 required per assembly)
STUD (M10 x 1.5 x  64) 16-90350  9
 

About Mercury Marine

OEM Part

16-90350 9 - Stud [ More info ]

Add to shopping cart $17.17
Available to Order: Usually ships within 10 days.

#5 16-815443 1 STUD, (M10 x 1.5 x 155) (6 required per assembly)
STUD (M10 x 1.5 x 155) 16-815443  1
 

About Mercury Marine

OEM Part

16-815443 1 - Stud [ More info ]

Add to shopping cart $32.58
Available to Order: Usually ships within 10 days.

#6 824857 7 DEFLECTOR (6 required per assembly)
DEFLECTOR-WATER 824857  7
824857  7

About Mercury Marine

OEM Part

824857 7 - Water Deflector [ More info ]

Add to shopping cart $2.50
Available to Order: Usually ships within 10 days.

#7 21-878105 1 CHECK VALVE (1 required per assembly)
CHECK VALVE 21-878105  1
21-878105  1

About Mercury Marine

OEM Part

21-878105 1 - Check Valve [ More info ]

Add to shopping cart $34.08
10 In Stock.

#8 17-67296 PIN (3 required per assembly)
17-67296 - PIN                - Replaced by 17-8M0036405
 

17-67296 - Pin, Dowel - Center Main [ More info ]
Unavailable
PIN-CENTER MAIN 17-8M0036405
17-8M0036405

About Mercury Marine

OEM Part

17-8M0036405 - Pin - Center Main [ More info ]

Add to shopping cart $4.20
Available to Order: Usually ships within 10 days.

#9 17-43044 PIN, Dowel - Without Hole (.375 x .625) (1 required per assembly)
PIN-DOWEL-SOLID 17-43044
 

About Mercury Marine

OEM Part

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

Add to shopping cart $2.40
3 In Stock.

#10 10-824461 80 SCREW, (M10 x 80) (8 required per assembly)
SCREW (M10 x 80) 10-824461 80
10-824461 80

About Mercury Marine

OEM Part

10-824461 80 - Screw [ More info ]

Add to shopping cart $15.10
Available to Order: Usually ships within 10 days.

#11 10-818934 35 SCREW, (M8 x 35) (14 required per assembly)
SCREW (M8 x 35) 10-818934 35
10-818934 35

About Mercury Marine

OEM Part

10-818934 35 - Screw [ More info ]

Add to shopping cart $3.80
10+ In Stock.

#12 10-818934 20 SCREW, (M8 x 20) (1 required per assembly)
SCREW (M8 x 20) 10-818934 20
10-818934 20

About Mercury Marine

OEM Part

10-818934 20 - Screw [ More info ]

Add to shopping cart $5.60
Available to Order: Usually ships within 10 days.

#13 17-63779 PIN, Dowel (.250 x .625) (4 required per assembly)
PIN-DOWEL 17-63779
17-63779

About Mercury Marine

OEM Part

17-63779 - Pin, Dowel (.250 X .625) [ More info ]

Add to shopping cart $4.90
2 In Stock.

#14 13536A13 SENSOR ASSEMBLY, Temperature (1 required per assembly)
SENSOR-TEMP 13536A13
13536A13

About Mercury Marine

OEM Part

13536A13 - Temperature Sensor [ More info ]

Add to shopping cart $48.21
4 In Stock.

#15 17-840510 1 PIN (2 required per assembly)
PIN 17-840510  1
 

About Mercury Marine

OEM Part

17-840510 1 - Pin [ More info ]

Add to shopping cart $36.50
Available to Order: Usually ships within 10 days.

#16 858864 1 RETAINER (1 required per assembly)
RETAINER 858864  1
 

About Mercury Marine

OEM Part

858864 1 - Retainer [ More info ]

Add to shopping cart $2.90
Available to Order: Usually ships within 10 days.

#17 12-856774 WASHER, (.406 x .750 x .105) Stainless Steel (10 required per assembly)
12-856774 - WASHER (.406 x .7  - Replaced by -8M0214963
12-856774

12-856774 - Washer, (.406 X .750 X .105) Stainless Steel [ More info ]
Unavailable
WASHER 12-8M0214963
12-8M0214963

About Mercury Marine

OEM Part

128M0214963 - WASHER Note: Priced Individually [ More info ]

Add to shopping cart $2.50
10+ In Stock.

#18 11-40136 10 NUT, (M10) Stainless Steel (10 required per assembly)
NUT 11-40136 10
 

About Mercury Marine

OEM Part

11-40136 10 - Nut, (M10) Stainless Steel [ More info ]

Add to shopping cart $7.50 $6.38
10 In Stock.

#19 828358 2 SENSOR (1 required per assembly)
828358  2 - SENSOR             - Replaced by -8M0030022
828358  2

828358 2 - Sensor Assembly [ More info ]
Unavailable
8M0030022 - SENSOR             - Replaced by -8M0082988
8M0030022

8M0030022 - Sensor Assembly [ More info ]
Unavailable
SENSOR ASSY 8M0082988
8M0082988

About Mercury Marine

OEM Part

8M0082988 - Sensor Assembly [ More info ]

Add to shopping cart $115.83
1 In Stock.

#20 10-40011107 SCREW, (M5 x 16) Stainless Steel (2 required per assembly)
SCREW 10-40011107
10-40011107

About Mercury Marine

OEM Part

10-40011107 - SCREW [ More info ]

Add to shopping cart $1.70
10+ In Stock.

#21 1171-9787A 4 END CAP ASSEMBLY (1 required per assembly)
END CAP ASSY 1171-9787A 4
 

About Mercury Marine

OEM Part

1171-9787A 4 - End Cap Assembly [ More info ]

Add to shopping cart $96.58
Available to Order: Usually ships within 10 days.

#22 25-62700 O-RING, (3.237 x .103) (1 required per assembly)
O RING 25-62700
25-62700

About Mercury Marine

OEM Part

25-62700 - O-Ring [ More info ]

Add to shopping cart $3.80
Available to Order: Usually ships within 10 days.

#23 26-830898 1 SEAL (2 required per assembly)
SEAL 26-830898  1
26-830898  1

About Mercury Marine

OEM Part

26-830898 1 - Seal [ More info ]

Add to shopping cart $26.25
Available to Order: Usually ships within 10 days.

#24 10-821300 20 SCREW, (M6 x 20) (4 required per assembly)
SCREW 10-821300 20
10-821300 20

About Mercury Marine

OEM Part

10-821300 20 - Screw - Priced Individually [ More info ]

Add to shopping cart $2.60
4 In Stock.

#25 857186A 1 PLATE ASSEMBLY (1 required per assembly)
857186A 1 - PLATE ASSEMBLY     - Replaced by -857186T02
 

857186A 1 - Plate-ALT [ More info ]
Unavailable
PLATE ASSY-ALT 857186T02
 

About Mercury Marine

OEM Part

857186T02 - Plate Assembly -alt [ More info ]

Add to shopping cart $196.42
Available to Order: Usually ships within 10 days.

#26 23-855729 MOUNT (3 required per assembly)
MOUNT 23-855729
23-855729

About Mercury Marine

OEM Part

23-855729 - Mount [ More info ]

Add to shopping cart $38.92
Available to Order: Usually ships within 10 days.

#27 10-821301 45 SCREW, (M10 x 45) (3 required per assembly)
SCREW (M10 x 45) 10-821301 45
10-821301 45

About Mercury Marine

OEM Part

10-821301 45 - Screw [ More info ]

Add to shopping cart $10.60
Available to Order: Usually ships within 10 days.

#28 10-824948 10 SCREW, (M6 x 10) (1 required per assembly)
SCREW (M6 x 10) 10-824948 10
10-824948 10

About Mercury Marine

OEM Part

10-824948 10 - Screw [ More info ]

Add to shopping cart $0.50
Available to Order: Usually ships within 10 days.

#29 25-19565002 GROMMET (1 required per assembly)
GROMMET 25-19565002
25-19565002

About Mercury Marine

OEM Part

25-19565002 - Grommet [ More info ]

Add to shopping cart $29.75
Available to Order: Usually ships within 10 days.

#30 12-855725 WASHER (6 required per assembly)
WASHER 12-855725
 

About Mercury Marine

OEM Part

12-855725 - Washer [ More info ]

Add to shopping cart $2.10
Available to Order: Usually ships within 10 days.

#31 13715 1 RETAINER (1 required per assembly)
RETAINER 13715  1
 

About Mercury Marine

OEM Part

13715 1 - Retainer [ More info ]

Add to shopping cart $4.10
2 In Stock.

#32 54-858951 J CLIP (1 required per assembly)
J CLIP 54-858951
 

About Mercury Marine

OEM Part

54-858951 - J Clip [ More info ]

Add to shopping cart $6.50
Available to Order: Usually ships within 10 days.

#33 10-821300 12 SCREW, (M6 x 12) (1 required per assembly)
SCREW 10-821300 12
10-821300 12

About Mercury Marine

OEM Part

10-821300 12 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.70
7 In Stock.

#34 818574 SEAL (2 required per assembly)
SEAL 818574
818574

About Mercury Marine

OEM Part

818574 - Cylinder Head Seal [ More info ]

Add to shopping cart $27.23
3 In Stock.

#35 812851A27 CYLINDER HEAD ASSEMBLY (2 required per assembly)
CYLINDER HEAD ASSEMBLY 812851A27
 

About Mercury Marine

OEM Part

812851A27 - Cylinder Head [ More info ]

Add to shopping cart $481.71 $377.66
1 In Stock.

#36 884391 SEAL (6 required per assembly)
SEAL 884391
884391

About Mercury Marine

OEM Part

884391 - Cylinder Bore Seal [ More info ]

Add to shopping cart $20.33
3 In Stock.

#37 885599004 THERMOSTAT, 54 Degree C/130 Degree F (2 required per assembly)
885599004 - THERMOSTAT 54 Deg  - Replaced by -8M0057307
 

885599004 - Thermostat, 130 Degrees [ More info ]
Unavailable
THERMOSTAT 130 8M0057307
8M0057307

About Mercury Marine

OEM Part

8M0057307 - Thermostat 130 [ More info ]

Add to shopping cart $129.50
In Stock

THERMOSTAT
18-3535

About Sierra Marine

OEM Match

18-3535 - Thermostat, 130 Degrees, 885599004 [ More info ]

Add to shopping cart $116.99 $105.59
10+ In Stock.

#38 27-850318 1 GASKET (2 required per assembly)
GASKET 27-850318  1
27-850318  1

About Mercury Marine

OEM Part

27-850318 1 - Gasket [ More info ]

Add to shopping cart $4.80
10+ In Stock.

#39 887926 COVER, Thermostat (2 required per assembly)
8M0039357 887926
 

About Mercury Marine

OEM Part

887926 - Cover [ More info ]

Add to shopping cart $6.00
9 In Stock.

COVER 8M0039357
 

About Mercury Marine

OEM Part

8M0039357 - Cover [ More info ]

Add to shopping cart $39.17
2 In Stock.

#41 10-891570050 SCREW, (M8 x 50) (40 required per assembly)
10-891570050 - SCREW (M8 x 50)    - Replaced by 10-8M0045380
 

10-891570050 - SCREW Note: Priced Individually [ More info ]
Unavailable
SCREW 10-8M0045380
 

About Mercury Marine

OEM Part

10-8M0045380 - Screw - Priced Individually [ More info ]

Add to shopping cart $6.60
4 In Stock.

#42 885342002 SENSOR ASSEMBLY (2 required per assembly)
885342002 - SENSOR ASSEMBLY    - Replaced by -8M0148668
885342002

885342002 - Sensor Assembly [ More info ]
Unavailable
SENSOR-TEMP 8M0148668
8M0148668

About Mercury Marine

OEM Part

8M0148668 - Temperature Sensor [ More info ]

Add to shopping cart $46.51
2 In Stock.

#43 25-896699 O-RING, (1.78 mm x .08 mm) (2 required per assembly)
O-RING (1.78 mm x .08 m 25-896699
 

About Mercury Marine

OEM Part

25-896699 - O-ring, (1.78 Mm X .08 Mm) [ More info ]

Add to shopping cart $12.00
8 In Stock.

#44 10-818934 14 SCREW, (M8 x 14) (1 required per assembly)
SCREW (M8 x 14) 10-818934 14
10-818934 14

About Mercury Marine

OEM Part

10-818934 14 - Screw [ More info ]

Add to shopping cart $3.30
Available to Order: Usually ships within 10 days.

#45 22-78279 2 FITTING, Elbow 45 Degree (1.25) (1 required per assembly)
ELBOW 22-78279  2
22-78279  2

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.

#46 858356 1 LEVER, TPI (1 required per assembly)
LEVER-TPS 858356  1
 

About Mercury Marine

OEM Part

858356 1 - Lever -tps [ More info ]

Add to shopping cart $17.90
Available to Order: Usually ships within 10 days.

#47 10-821300 25 SCREW, (M6 x 25) (3 required per assembly)
SCREW 10-821300 25
10-821300 25

About Mercury Marine

OEM Part

10-821300 25 - Screw [ More info ]

Add to shopping cart $3.90
5 In Stock.

#48 23-856954 BUSHING (3 required per assembly)
BUSHING 23-856954
23-856954

About Mercury Marine

OEM Part

23-856954 - Bushing [ More info ]

Add to shopping cart $6.70
1 In Stock.

#49 25-834985 GROMMET (3 required per assembly)
GROMMET 25-834985
25-834985

About Mercury Marine

OEM Part

25-834985 - Grommet [ More info ]

Add to shopping cart $3.00
Available to Order: Usually ships within 10 days.

#50 12-65567 WASHER, (.265 x .750 x .048) Stainless Steel (3 required per assembly)
WASHER 12-65567
 

About Mercury Marine

OEM Part

12-65567 - Washer, (.265 X .750 X .048) Stainless Steel [ More info ]

Add to shopping cart $2.80
Available to Order: Usually ships within 10 days.

#51 10-40011113 SCREW, (M5 x 45) Stainless Steel (3 required per assembly)
SCREW (M5 x 45) Stainle 10-40011113
10-40011113

About Mercury Marine

OEM Part

10-40011113 - Screw [ More info ]

Add to shopping cart $3.80
Available to Order: Usually ships within 10 days.

#52 832952 11 INDICATOR, Throttle Position (1 required per assembly)
832952 11 - INDICATOR Throttl
832952 11

About Mercury Marine

OEM Part

832952 11 - Throttle Position Indicator [ More info ]
Unavailable
#53 8M0008113 LINK (1 required per assembly)
8M0008113 - LINK               - Replaced by -8M0084743
 

8M0008113 - Link [ More info ]
Unavailable
LINK 8M0084743
 

About Mercury Marine

OEM Part

8M0084743 - LINK [ More info ]

Add to shopping cart $24.00
Available to Order: Usually ships within 10 days.

#54 54-858902 CLAMP (1 required per assembly)
CLAMP 54-858902
 

About Mercury Marine

OEM Part

54-858902 - Clamp [ More info ]

Add to shopping cart $4.60
Available to Order: Usually ships within 10 days.

#55 858226 1 COVER (1 required per assembly)
COVER 858226  1
 

About Mercury Marine

OEM Part

858226 1 - Cover [ More info ]

Add to shopping cart $24.92
Available to Order: Usually ships within 10 days.

#56 854486 2 BRACKET (1 required per assembly)
BRACKET 854486  2
 

About Mercury Marine

OEM Part

854486 2 - Bracket [ More info ]

Add to shopping cart $22.08
Available to Order: Usually ships within 10 days.

#57 54-888988014 CLAMP, (25.6 mm) (4 required per assembly)
54-888988014 - CLAMP (25.6 mm)    - Replaced by 54-855228
 

54-888988014 - Clamp [ More info ]
Unavailable
CLAMP 54-855228
54-855228

About Mercury Marine

OEM Part

54-855228 - Clamp [ More info ]

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

#58 22-853339 4 FITTING (2 required per assembly)
FITTING 22-853339  4
 

About Mercury Marine

OEM Part

22-853339 4 - Fitting [ More info ]

Add to shopping cart $20.91
2 In Stock.

#59 32-840446 1 HOSE (Starboard) (1 required per assembly)
HOSE-MOLDED 32-840446  1
32-840446  1

About Mercury Marine

OEM Part

32-840446 1 - Molded Hose [ More info ]

Add to shopping cart $16.23
Available to Order: Usually ships within 10 days.

#60 32-840446 2 HOSE (Port) (1 required per assembly)
HOSE-MOLDED 32-840446  2
32-840446  2

About Mercury Marine

OEM Part

32-840446 2 - Molded Hose [ More info ]

Add to shopping cart $26.00
Available to Order: Usually ships within 10 days.

#61 878187 SENSOR ASSEMBLY, Knock (2 required per assembly) (200)
8M6003194 878187
878187

About Mercury Marine

OEM Part

878187 - Knock Sensor [ More info ]

Add to shopping cart $60.49
2 In Stock.

SENSOR-KNOCK 8M6003194
8M6003194

About Mercury Marine

OEM Part

8M6003194 - Knock Sensor [ More info ]

Add to shopping cart $74.92
In Stock

KNOCK SENSOR
18-7554

About Sierra Marine

OEM Match

18-7554 - Knock Sensor 878187 [ More info ]

Add to shopping cart $81.39 $73.67
2 In Stock.

#62 16-882781 STUD (2 required per assembly) (200)
STUD 16-882781
 

About Mercury Marine

OEM Part

16-882781 - Stud [ More info ]

Add to shopping cart $46.33
Available to Order: Usually ships within 10 days.

#63 11-826292 NUT, (M10) Brass/Nickel Plated (2 required per assembly) (200)
NUT (M10) Brass/Nickel 11-826292
 

About Mercury Marine

OEM Part

11-826292 - Nut (M10) [ More info ]

Add to shopping cart $4.00 $3.40
10+ In Stock.


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