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Parts for Mariner 250 HP / 275 HP Cylinder Block & End Caps

#1 880-9550A14 CYLINDER BLOCK ASSEMBLY (250) (1 required per assembly)
880-9550A14 - CYLINDER BLOCK AS O NLA
 

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OEM Part

880-9550A14 - CYLINDER BLOCK AS O NLA [ More info ]
Unavailable
#1 880-9550A33 CYLINDER BLOCK ASSEMBLY (275) (1 required per assembly)
880-9550A33 - CYLINDER BLOCK AS O NLA
 

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OEM Part

880-9550A33 - CYLINDER BLOCK AS O NLA [ More info ]
Unavailable
#2 10-815549 SCREW (2") (2 required per assembly)
SCREW (.312-18 x 2.00) 10-815549
10-815549

About Mercury Marine

OEM Part

10-815549 - Screw [ More info ]

Add to shopping cart $3.00
Available to order: Usually ships within 8 days. Explain stock levels

#3 21-96887A 2 CHECK VALVE (1 required per assembly)
21-96887A 2 - CHECK VALVE ASSEM O - Replaced by 21-42864
 

This part has been superseded.

21-96887A 2 - 21-96887A 2 - CHECK VALVE ASSEM O [ More info ]
Unavailable
Replaced by 21-42864
21-42864 - FITTING           O - Replaced by 21-42864  1
 

This part has been superseded.

21-42864 - 21-42864 - FITTING O [ More info ]
Unavailable
Replaced by 21-42864 1
FITTING Check Valve 21-42864  1
 

About Mercury Marine

OEM Part

21-42864 1 - Fitting [ More info ]

Add to shopping cart $18.50 $15.84
10+ in stock. Explain stock levels

#4 21-42657A 1 CHECK VALVE (1 required per assembly)
2142657A3 21-42657A 1
 

About Mercury Marine

OEM Part

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

Add to shopping cart $3.00
9 in stock. Explain stock levels

CHECK VALVE 21-42657A 3
 

About Mercury Marine

OEM Part

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

Add to shopping cart $4.80
6 in stock. Explain stock levels

#5 16-815159 STUD (1 required per assembly)
STUD,NLA 16-815159
 

About Mercury Marine

OEM Part

16-815159 - Stud, NLA [ More info ]

Add to shopping cart $6.00
10+ in stock. Explain stock levels

#6 17-40120110 DOWEL PIN (2 required per assembly)
PIN-DOWEL,NLA 17-40120110
 

About Mercury Marine

OEM Part

17-40120110 - Pin -Dowel, NLA [ More info ]

Add to shopping cart $9.00
10+ in stock. Explain stock levels

#7 17-67296 DOWEL PIN (BEARING RACE ) (3 required per assembly)
178M0036405 17-67296
 

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OEM Part

17-67296 - PIN-CENTER MAIN [ More info ]

Add to shopping cart $1.96
2 in stock. Explain stock levels

PIN 17-8M0036405
 

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OEM Part

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

Add to shopping cart $2.50
Available to order: Usually ships within 8 days. Explain stock levels

#8 27-53862 GASKET (2 required per assembly)
GASKET Note: must be ordered in multiples of 6 27-53862
27-53862

About Mercury Marine

OEM Part

27-53862 - Gasket - Priced Individually [ More info ]

Add to shopping cart $4.10
6 in stock. Explain stock levels

#9 16-14137 STUD (162 MM) (6 required per assembly)
STUD,NLA 16-14137
 

About Mercury Marine

OEM Part

16-14137 - Stud, NLA [ More info ]

Add to shopping cart $9.00
10+ in stock. Explain stock levels

#10 16-14136 STUD(110 MM) (2 required per assembly)
16-14136 - STUD              O NLA
 

About Mercury Marine

OEM Part

16-14136 - STUD O NLA [ More info ]
Unavailable
#11 16-91000 1 STUD (60 MM) (2 required per assembly)
STUD,NLA 16-91000  1
 

About Mercury Marine

OEM Part

16-91000 1 - Stud, NLA [ More info ]

Add to shopping cart $8.00
10+ in stock. Explain stock levels

#12 13-40024 8 LOCKWASHER (1 required per assembly)
LOCKWASHER (M10) 13-40024  8
 

About Mercury Marine

OEM Part

13-40024 8 - LockWasher [ More info ]

Add to shopping cart $1.20
7 in stock. Explain stock levels

#13 11-90517 NUT (1 required per assembly)
NUT (M10) 11-90517
 

About Mercury Marine

OEM Part

11-90517 - Nut [ More info ]

Add to shopping cart $2.00
7 in stock. Explain stock levels

#14 10-815162 90 SCREW (90 MM) (1 required per assembly)
SCREW,NLA 10-815162 90
 

About Mercury Marine

OEM Part

10-815162 90 - Screw, NLA [ More info ]

Add to shopping cart $4.00
10+ in stock. Explain stock levels

#15 10-815162170 SCREW (170 MM) (2 required per assembly)
10-815162170 - SCREW             O NLA
 

About Mercury Marine

OEM Part

10-815162170 - SCREW O NLA [ More info ]
Unavailable
#16 10-91006 SCREW (105 MM ) (4 required per assembly)
10-91006 - SCREW             O - Replaced by 10-815162105
 

This part has been superseded.

10-91006 - 10-91006 - SCREW O [ More info ]
Unavailable
Replaced by 10-815162105
10-815162105 - SCREW             O NLA
 

About Mercury Marine

OEM Part

10-815162105 - SCREW O NLA [ More info ]
Unavailable
#17 86-19437 3 TERMINAL BLOCK (1 required per assembly) OLD DESIGN
TERMINAL BLOCK,NLA 86-19437  3
 

About Mercury Marine

OEM Part

86-19437 3 - Terminal Block, NLA [ More info ]

Add to shopping cart $11.50
10+ in stock. Explain stock levels

#18 10-40003 29 SCREW (2 required per assembly) OLD DESIGN
SCREW (M6 x 20) 10-40003 29
10-40003 29

About Mercury Marine

OEM Part

10-40003 29 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.00
2 in stock. Explain stock levels

#19 12-29245 WASHER (2 required per assembly) OLD DESIGN
WASHER (.281 x .500 x . 12-29245
12-29245

About Mercury Marine

OEM Part

12-29245 - Washer [ More info ]

Add to shopping cart $0.90
10+ in stock. Explain stock levels

Ss Washer
18-4275

About Sierra Marine

OEM Match

18-4275 - SS Washer [ More info ]

Add to shopping cart $1.99 $1.46
4 in stock. Explain stock levels

#20 54-814008 CLIP (1 required per assembly)
54-814008 - CLIP              O NLA
 

About Mercury Marine

OEM Part

54-814008 - CLIP O NLA [ More info ]
Unavailable
#21 12-40023 19 WASHER (INSIDE) (4 required per assembly)
WASHER Note: must be ordered in multiples of 3 12-40023 19
 

About Mercury Marine

OEM Part

12-40023 19 - Washer - Priced Individually [ More info ]

Add to shopping cart $2.20
Available to order: Usually ships within 8 days. Explain stock levels

#22 13-40025 8 LOCKWASHER (10 required per assembly)
LOCKWASHER (M10) Stainl 13-40025  8
 

About Mercury Marine

OEM Part

13-40025 8 - LockWasher [ More info ]

Add to shopping cart $1.10
Available to order: Usually ships within 8 days. Explain stock levels

#23 11-40114 NUT (10 required per assembly)
NUT (M10 x 1.5) 11-40114
 

About Mercury Marine

OEM Part

11-40114 - Nut [ More info ]

Add to shopping cart $4.80
Available to order: Usually ships within 8 days. Explain stock levels

#24 10-62568 SCREW (1 required per assembly)
SCREW (#10-16 x .375) 10-62568
10-62568

About Mercury Marine

OEM Part

10-62568 - Screw - Priced Individually [ More info ]

Add to shopping cart $0.80
Available to order: Usually ships within 8 days. Explain stock levels

#25 88782 1 BRACKET(FRONT) (1 required per assembly)
88782  1 - BRACKET           O NLA
 

About Mercury Marine

OEM Part

88782 1 - BRACKET O NLA [ More info ]
Unavailable
#26 10-40062127 SCREW (2 required per assembly)
10-40062127 - SCREW             O NLA
 

About Mercury Marine

OEM Part

10-40062127 - SCREW O NLA [ More info ]
Unavailable
#27 22-56759 FITTING (PRESS-IN)(OLD DESIGN) (1 required per assembly)
FITTING Barbed 22-56759
22-56759

About Mercury Marine

OEM Part

22-56759 - Fitting [ More info ]

Add to shopping cart $8.30
10 in stock. Explain stock levels

#28 10-815162 35 SCREW (35 MM) (6 required per assembly)
SCREW,NLA 10-815162 35
 

About Mercury Marine

OEM Part

10-815162 35 - Screw, NLA [ More info ]

Add to shopping cart $2.00
3 in stock. Explain stock levels

#29 32-99126 88 TUBING (1 required per assembly)
TUBING (36.00 Inches Bu 32-99126 88
32-99126 88

About Mercury Marine

OEM Part

32-99126 88 - Tubing - 36 Inch [ More info ]

Add to shopping cart $25.60 $21.92
2 in stock. Explain stock levels

#30 54-22627 J-CLAMP (1 required per assembly)
CLIP,NLA 54-22627
 

About Mercury Marine

OEM Part

54-22627 - Clip, NLA [ More info ]

Add to shopping cart $5.00
2 in stock. Explain stock levels

#31 10-48408 SCREW (1 required per assembly)
SCREW (#10-16 x .500) 10-48408
10-48408

About Mercury Marine

OEM Part

10-48408 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.65
10+ in stock. Explain stock levels

#32 69205 C-WASHER (1 required per assembly)
8M0084613 69205
69205

About Mercury Marine

OEM Part

69205 - C Washer [ More info ]

Add to shopping cart $0.80
10+ in stock. Explain stock levels

8M0084613 - C-WASHER          O
 

About Mercury Marine

OEM Part

8M0084613 - C-WASHER O [ More info ]
Unavailable
#33 21-42623 CHECK VALVE (1 required per assembly)
21426231 21-42623
 

About Mercury Marine

OEM Part

21-42623 - Check Valve [ More info ]

Add to shopping cart $2.95
10+ in stock. Explain stock levels

21426233 21-42623  1
 

About Mercury Marine

OEM Part

21-42623 1 - Check Valve [ More info ]

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

CHECK VALVE 21-42623  3
21-42623  3

About Mercury Marine

OEM Part

21-42623 3 - Check Valve [ More info ]

Add to shopping cart $5.80
2 in stock. Explain stock levels

#34 54-816311 CLAMP (AR required per assembly)
54-816311 - TIE STRAP (8.00 I O - Replaced by 54-816311T
54-816311

This part has been superseded.

54-816311 - 54-816311 - TIE STRAP (8.00 I O [ More info ]
Unavailable
Replaced by 54-816311T
TIE STRAP (8.00 Inches) 54-816311T
54-816311T

About Mercury Marine

OEM Part

54-816311T - Tie Strap, 8 Inches, Priced Individually [ More info ]

Add to shopping cart $0.44
10+ in stock. Explain stock levels

#35 22-15133 FITTING (PRESS-IN) (1 required per assembly)
FITTING 22-15133
22-15133

About Mercury Marine

OEM Part

22-15133 - Fitting [ More info ]

Add to shopping cart $10.30
2 in stock. Explain stock levels

#36 96839 BRACKET (1 required per assembly)
96839 - BRACKET           O NLA
 

About Mercury Marine

OEM Part

96839 - BRACKET O NLA [ More info ]
Unavailable
#37 10-40010127 SCREW (1 required per assembly)
10-40010127 - SCREW             O NLA
 

About Mercury Marine

OEM Part

10-40010127 - SCREW O NLA [ More info ]
Unavailable
#38 13-26992 LOCKWASHER (1 required per assembly)
LOCKWASHER (.250) Stain 13-26992
 

About Mercury Marine

OEM Part

13-26992 - LockWasher - Priced Individually [ More info ]

Add to shopping cart $0.80
10+ in stock. Explain stock levels

#39 10-78841 SCREW (1 required per assembly)
BOLT,NLA 10-78841
 

About Mercury Marine

OEM Part

10-78841 - Bolt, NLA [ More info ]

Add to shopping cart $1.65
10+ in stock. Explain stock levels

#40 12-70132 WASHER (1 required per assembly)
12-70132 - WASHER (.323 x .5 O - Replaced by 12-8M0042642
12-70132

This part has been superseded.

12-70132 - 12-70132 - WASHER (.323 x .5 O [ More info ]
Unavailable
Replaced by 12-8M0042642
WASHER (.323 x .562 x . 12-8M0042642
12-8M0042642

About Mercury Marine

OEM Part

12-8M0042642 - Washer - Priced Individually [ More info ]

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

#41 11-35814 NUT (1 required per assembly)
11-35814 - NUT (.312-24) Sta O - Replaced by 11-826709 11
 

This part has been superseded.

11-35814 - 11-35814 - NUT (.312-24) Sta O [ More info ]
Unavailable
Replaced by 11-826709 11
NUT (.312-24) Stainless 11-826709 11
11-826709 11

About Mercury Marine

OEM Part

11-826709 11 - Nut - Priced Individually [ More info ]

Add to shopping cart $3.70
10+ in stock. Explain stock levels

#42 1166-8792A 1 LOWR END CAP ASSEMBLY (1 required per assembly)
END CAP,NLA 1166-8792A 1
 

About Mercury Marine

OEM Part

1166-8792A 1 - End Cap, NLA [ More info ]

Add to shopping cart $100.00
5 in stock. Explain stock levels

#43 26-54815 OIL SEAL (1 required per assembly)
SEAL,NLA 26-54815
26-54815

About Mercury Marine

OEM Part

26-54815 - Seal, NLA [ More info ]

Add to shopping cart $19.00
10+ in stock. Explain stock levels

#44 25-88955 O-RING (1 required per assembly)
O-RING 25-88955
25-88955

About Mercury Marine

OEM Part

25-88955 - O-Ring [ More info ]

Add to shopping cart $7.00
Available to order: Usually ships within 8 days. Explain stock levels

#45 10-815160 25 SCREW (4 required per assembly)
10-815160 25 - SCREW             O - Replaced by 10-40011149
 

This part has been superseded.

10-815160 25 - 10-815160 25 - SCREW O [ More info ]
Unavailable
Replaced by 10-40011149
SCREW (M8 x 25) Stainle 10-40011149
10-40011149

About Mercury Marine

OEM Part

10-40011149 - Screw [ More info ]

Add to shopping cart $1.90
Available to order: Usually ships within 8 days. Explain stock levels

#47 11-813938 CAP NUT (OLD DESIGN) (3 required per assembly)
CAP NUT (#10-32) 11-813938
 

About Mercury Marine

OEM Part

11-813938 - Capnut [ More info ]

Add to shopping cart $2.50
Available to order: Usually ships within 8 days. Explain stock levels

#49 32-99130122 HOSE (1 required per assembly)
32-99130122 - TUBING (20.00 Fee O - Replaced by 32-892024122
32-99130122

This part has been superseded.

32-99130122 - 32-99130122 - TUBING (20.00 Fee O [ More info ]
Unavailable
Replaced by 32-892024122
TUBING (240.00 Inches B 32-892024122
32-892024122

About Mercury Marine

OEM Part

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

Add to shopping cart $41.90 $35.88
2 in stock. Explain stock levels

#50 21-14912 CHECK VALVE (6 required per assembly)
21149126 21-14912
 

About Mercury Marine

OEM Part

21-14912 - Check Valve [ More info ]

Add to shopping cart $6.45
10+ in stock. Explain stock levels

CHECK VALVE 21-14912  6
21-14912  6

About Mercury Marine

OEM Part

21-14912 6 - Check Valve [ More info ]

Add to shopping cart $14.80
Available to order: Usually ships within 8 days. Explain stock levels