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Parts for Mariner 250 HP (3.0L EFI) Gear Hsg (Driveshaft) (Std) (Serial No. 0G960500 & Up)

#1 1623-859399T18 GEAR HOUSING ASSEMBLY, Basic (1 required per assembly)
GEAR HOUSING ASSEMBLY B 1623-859399T18
 

About Mercury Marine

OEM Part

1623-859399T18 - Gear Housing -Basic [ More info ]

Add to shopping cart $1,314.93
Available to order: Usually ships within 8 days. Explain stock levels

#2 17-37972 1 PIN (1 required per assembly)
PIN 17-37972  1
 

About Mercury Marine

OEM Part

17-37972 1 - Pin [ More info ]

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

#3 821526 FILLER BLOCK (1 required per assembly)
821526001 821526
 

About Mercury Marine

OEM Part

821526 - Filler Block [ More info ]

Add to shopping cart $8.00
6 in stock. Explain stock levels

FILLER BLOCK 821526001
821526001

About Mercury Marine

OEM Part

821526001 - Filler Block [ More info ]

Add to shopping cart $13.90
Available to order: Usually ships within 8 days. Explain stock levels

#4 859402 PITOT TUBE (1 required per assembly)
PITOT TUBE 859402
859402

About Mercury Marine

OEM Part

859402 - Pilot Tube [ More info ]

Add to shopping cart $24.08
Available to order: Usually ships within 8 days. Explain stock levels

#5 826134Q ANODE (2 required per assembly)
ANODE Note: must be ordered in multiples of 3 97-826134Q
97-826134Q

About Mercury Marine

OEM Part

97-826134Q - Anode Outboard Side Pocket - Priced Individually [ More info ]

Add to shopping cart $10.58
6 in stock. Explain stock levels

Anode
18-6068

About Sierra Marine

OEM Match

18-6068 - Anode, Zinc, 826134 [ More info ]

Add to shopping cart $10.30 $8.14
6 in stock. Explain stock levels

ANODE Note: must be ordered in multiples of 3   97826134T
97826134T

About Mercury Marine

OEM Part

97-826134T - Anode - Outboard Side Pocket - Priced Individually [ More info ]

Add to shopping cart $10.58
2 in stock. Explain stock levels

#6 10-40003 33 SCREW, (M6 x 40) (1 required per assembly)
SCREW (M6 x 40) 10-40003 33
10-40003 33

About Mercury Marine

OEM Part

10-40003 33 - Screw - Priced Individually [ More info ]

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

#7 11-40138 6 NUT, (M6) Stainless Steel (1 required per assembly)
NUT (M6) Stainless Stee 11-40138  6
 

About Mercury Marine

OEM Part

11-40138 6 - Nut - Priced Individually [ More info ]

Add to shopping cart $3.40
Available to order: Usually ships within 8 days. Explain stock levels

#8 31-42647A 1 BEARING ASSEMBLY, Roller (1 required per assembly)
BEARING ASSEMBLY Roller 31-42647A 1
31-42647A 1

About Mercury Marine

OEM Part

31-42647A 1 - Bearing Assembly [ More info ]

Add to shopping cart $55.80 $33.48
10+ in stock. Explain stock levels

Bearing  Pinion
18-1117

About Sierra Marine

OEM Match

18-1117 - Bearing, 387817, 31-42647A1 [ More info ]

Add to shopping cart $47.49 $38.71
Available to order: Usually ships within 8 days. Explain stock levels

#9 17-43044 PIN, Dowel - Without Hole (.375 x .625) (2 required per assembly)
PIN Dowel - Without Hol 17-43044
 

About Mercury Marine

OEM Part

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

Add to shopping cart $1.70
10+ in stock. Explain stock levels

#10 10-79953Q 2 SCREW KIT, (.375-16 x .250) Drain (2 required per assembly)
10-79953Q 2 - SCREW KIT (.375-1 O - Replaced by 10-79953Q04
10-79953Q 2

This part has been superseded.

10-79953Q 2 - 10-79953Q 2 - SCREW KIT (.375-1 O [ More info ]
Unavailable
Replaced by 10-79953Q04
SCREW KIT Drain 10-79953Q04
10-79953Q04

About Mercury Marine

OEM Part

10-79953Q04 - Screw Kit - Priced Individually [ More info ]

Add to shopping cart $5.80
10+ in stock. Explain stock levels

DRAIN PLUG
18-2244

About Sierra Marine

OEM Match

18-2244 - Plug Kit, 10-79953A2 [ More info ]

Add to shopping cart $3.08 $2.22
10+ in stock. Explain stock levels

SCREW-DRAIN Note: must be ordered in multiples of 2   10 79953K04
10 79953K04

About Mercury Marine

OEM Part

10-79953K04 - Drain Screw - Priced Individually [ More info ]

Add to shopping cart $5.80
10+ in stock. Explain stock levels

#11 12-19183 2 WASHER (2 required per assembly)
12-19183  2 - WASHER            O - Replaced by 12-19183  3
12-19183  2

This part has been superseded.

12-19183 2 - 12-19183 2 - WASHER O [ More info ]
Unavailable
Replaced by 12-19183 3
SEAL 12-19183  3
12-19183  3

About Mercury Marine

OEM Part

12-19183 3 - Seal -Blue - Priced Individually [ More info ]

Add to shopping cart $1.00
10+ in stock. Explain stock levels

DRAIN GASKET
18-2945

About Sierra Marine

OEM Match

18-2945-9 - Gasket 12-19183 2-Pack [ More info ]

Add to shopping cart $2.78 $1.56
10+ in stock. Explain stock levels

SEAL (4) Note: must be ordered in multiples of 2   12 19183Q02
12 19183Q02

About Mercury Marine

OEM Part

12-19183Q02 - Seals, Pack of 4 (yes this is actually a pack of 4) [ More info ]

Add to shopping cart $5.10
10+ in stock. Explain stock levels

SEAL (4) Note: must be ordered in multiples of 2   12 19183K02
12 19183K02

About Mercury Marine

OEM Part

12-19183K02 - Seal, Pack of 4 [ More info ]

Add to shopping cart $5.10
10+ in stock. Explain stock levels

#12 32-859449 75 TUBING, (72.00 Inches Bulk) (1 required per assembly) (LONG - 7 IN)
TUBING (72.00 Inches Bu 32-859449 75
 

About Mercury Marine

OEM Part

32-859449 75 - Tubing - 72 Inches [ More info ]

Add to shopping cart $46.90 $40.15
Available to order: Usually ships within 8 days. Explain stock levels

#13 22-859432 FITTING (1 required per assembly)
22-859432 - FITTING           O - Replaced by 22-881866
 

This part has been superseded.

22-859432 - 22-859432 - FITTING O [ More info ]
Unavailable
Replaced by 22-881866
FITTING 22-881866
 

About Mercury Marine

OEM Part

22-881866 - Fitting [ More info ]

Add to shopping cart $5.50
Available to order: Usually ships within 8 days. Explain stock levels

#14 858934 COVER (1 required per assembly)
COVER 858934
858934

About Mercury Marine

OEM Part

858934 - Cover [ More info ]

Add to shopping cart $90.08
Available to order: Usually ships within 8 days. Explain stock levels

#15 27-858935 GASKET (1 required per assembly)
GASKET 27-858935
27-858935

About Mercury Marine

OEM Part

27-858935 - Gasket [ More info ]

Add to shopping cart $4.20
Available to order: Usually ships within 8 days. Explain stock levels

Shift Housing Gasket
18-0649

About Sierra Marine

OEM Match

18-0649 - Gasket 27-858935 [ More info ]

Add to shopping cart $4.16
1 in stock. Explain stock levels

#16 NSS NOT SOLD SEPARATE, Pinion Gear (1 required per assembly) (1.75:1 - 12/21) (PART OF 43-859321A3)
NSS - NOT SOLD SEPARATE O
 

About Mercury Marine

OEM Part

NSS - NOT SOLD SEPARATE O [ More info ]
Unavailable
#17 12-92721 WASHER (1 required per assembly)
WASHER Note: must be ordered in multiples of 2 12-92721
12-92721

About Mercury Marine

OEM Part

12-92721 - Washer - Priced Individually [ More info ]

Add to shopping cart $1.10 $0.62
10+ in stock. Explain stock levels

Nut Set  Drive Shaft
18-2359

About Sierra Marine

OEM Match

18-2359 - Nut Kit [ More info ]

Add to shopping cart $8.49 $4.76
1 in stock. Explain stock levels

Washer  Pinion Nut
18-2343

About Sierra Marine

OEM Match

18-2343-9 - Washer, 12-92721, 2PK [ More info ]

Add to shopping cart $3.98 $2.56
5 in stock. Explain stock levels

#18 11-35921 NUT, (.625-18) (1 required per assembly)
NUT (.625-18) 11-35921
11-35921

About Mercury Marine

OEM Part

11-35921 - Nut - Priced Individually [ More info ]

Add to shopping cart $5.10 $2.86
10+ in stock. Explain stock levels

Pinion Nut
18-3719

About Sierra Marine

OEM Match

18-3719 - Nut, 11-35921, 314730 [ More info ]

Add to shopping cart $4.95 $3.49
1 in stock. Explain stock levels

#19 26-816464 1 SEAL, Oil (1 required per assembly)
SEAL Oil 26-816464  1
26-816464  1

About Mercury Marine

OEM Part

26-816464 1 - Seal [ More info ]

Add to shopping cart $12.20
Available to order: Usually ships within 8 days. Explain stock levels

Seal  Shift Shaft
18-8347

About Sierra Marine

OEM Match

18-8347 - Seal, 26-816464 1 [ More info ]

Add to shopping cart $12.49
Available to order: Usually ships within 8 days. Explain stock levels

Oil Seal
18-2054

About Sierra Marine

OEM Match

18-2054 - Oil Seal Mercury [ More info ]

Add to shopping cart $9.99 $8.43
9 in stock. Explain stock levels

#20 25-36318 O-RING, (.799) (1 required per assembly)
O-RING (.799) 25-36318
25-36318

About Mercury Marine

OEM Part

25-36318 - O-Ring - Priced Individually [ More info ]

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

O-RING
18-7440-1

About Sierra Marine

OEM Match

18-74401 - O-Ring 301967 [ More info ]

Add to shopping cart $1.99 $0.85
Available to order: Usually ships within 8 days. Explain stock levels

O-Ring (Pkg/2)
18-7440-1

About Sierra Marine

OEM Match

18-7440-1-9 - O-Ring (PK2) [ More info ]

Add to shopping cart $3.98 $1.70
2 in stock. Explain stock levels

#21 10-19937 16 SCREW, (M6 x 16) (2 required per assembly)
SCREW (M6 x 16) 10-19937 16
10-19937 16

About Mercury Marine

OEM Part

10-19937 16 - Screw [ More info ]

Add to shopping cart $2.10
1 in stock. Explain stock levels

#22 12-77674 WASHER (1 required per assembly)
WASHER 12-77674
12-77674

About Mercury Marine

OEM Part

12-77674 - Washer [ More info ]

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

Washer
18-2316

About Sierra Marine

OEM Match

18-2316-9 - Washer, 12-77674, 5PK [ More info ]

Add to shopping cart $2.98
5 in stock. Explain stock levels

#23 824145 SHIFT SHAFT (LOWER) (1 required per assembly)
SHIFT SHAFT 824145
824145

About Mercury Marine

OEM Part

824145 - Shift Shaft - Lower [ More info ]

Add to shopping cart $65.83
Available to order: Usually ships within 8 days. Explain stock levels

#24 45-881938 DRIVESHAFT (1 required per assembly) (LONG)
DRIVESHAFT 45-881938
45-881938

About Mercury Marine

OEM Part

45-881938 - Drive Shaft [ More info ]

Add to shopping cart $366.66
Available to order: Usually ships within 8 days. Explain stock levels

#24 45-881942 DRIVESHAFT (1 required per assembly) (X-LONG)
DRIVESHAFT 45-881942
 

About Mercury Marine

OEM Part

45-881942 - Drive Shaft [ More info ]

Add to shopping cart $359.58
Available to order: Usually ships within 8 days. Explain stock levels

#24 45-881943 DRIVESHAFT (1 required per assembly) (XX-LONG)
DRIVESHAFT 45-881943
45-881943

About Mercury Marine

OEM Part

45-881943 - Drive Shaft [ More info ]

Add to shopping cart $570.58
1 in stock. Explain stock levels

#25 15-38657A 1 SHIM ASSEMBLY (AR required per assembly)
15-38657A 1 - SHIM ASSEMBLY     O NLA
 

About Mercury Marine

OEM Part

15-38657A 1 - SHIM ASSEMBLY O NLA [ More info ]
Unavailable
#26 31-48939A 2 BEARING, Tapered Roller (1 required per assembly)
BEARING Tapered Roller 31-48939A 2
31-48939A 2

About Mercury Marine

OEM Part

31-48939A 2 - Bearing Assembly [ More info ]

Add to shopping cart $31.40 $26.89
Available to order: Usually ships within 8 days. Explain stock levels

Bearing Assy.
18-1144

About Sierra Marine

OEM Match

18-1144 - Bearing, 31-48939A2 [ More info ]

Add to shopping cart $26.53
Available to order: Usually ships within 8 days. Explain stock levels

#28 28-43037 KEY (1 required per assembly)
288M0032833 28-43037
28-43037

About Mercury Marine

OEM Part

28-43037 - Key [ More info ]

Add to shopping cart $2.20
3 in stock. Explain stock levels

KEY 28-8M0032833
28-8M0032833

About Mercury Marine

OEM Part

28-8M0032833 - Key [ More info ]

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

Impeller Key
18-3293

About Sierra Marine

OEM Match

18-3293 - Key, 28-43037 [ More info ]

Add to shopping cart $2.99 $2.48
10+ in stock. Explain stock levels

#29 15-42637A 1 SHIM SET (AR required per assembly)
158M0063267 15-42637A 1
 

About Mercury Marine

OEM Part

15-42637A 1 - SHIM SET [ More info ]

Add to shopping cart $12.50
10+ in stock. Explain stock levels

Shim Kit
18-2294

About Sierra Marine

OEM Match

18-2294 - Shim 15-42637A1 [ More info ]

Add to shopping cart $24.77 $18.62
2 in stock. Explain stock levels

#30 31-36387A 1 BEARING, Roller (1 required per assembly)
BEARING ASSEMBLY Roller 31-36387A 1
31-36387A 1

About Mercury Marine

OEM Part

31-36387A 1 - Bearing Kit [ More info ]

Add to shopping cart $61.00 $30.20
10+ in stock. Explain stock levels

Alpha Bearing
18-1143

About Sierra Marine

OEM Match

18-1143 - Bearing 31-36387A1 [ More info ]

Add to shopping cart $45.01 $42.03
4 in stock. Explain stock levels

#32 824519 1 RETAINER (1 required per assembly)
RETAINER 824519  1
824519  1

About Mercury Marine

OEM Part

824519 1 - Retainer [ More info ]

Add to shopping cart $5.00
Available to order: Usually ships within 8 days. Explain stock levels

Retainer Brng Race Preload
18-2346

About Sierra Marine

OEM Match

18-2346 - Retainer, 824519 1 [ More info ]

Add to shopping cart $5.99 $4.79
Available to order: Usually ships within 8 days. Explain stock levels

#33 807929A 1 CARRIER ASSEMBLY (1 required per assembly)
CARRIER ASSEMBLY 807929A 1
807929A 1

About Mercury Marine

OEM Part

807929A 1 - Carrier Assembly [ More info ]

Add to shopping cart $32.92
3 in stock. Explain stock levels

Seal Carrier
18-2354

About Sierra Marine

OEM Match

18-2354 - Carrier, 821759A4 [ More info ]

Add to shopping cart $29.99 $25.32
10+ in stock. Explain stock levels

#34 25-90011 O-RING, (2.175 x .175) (1 required per assembly)
25896523 25-90011
25-90011

About Mercury Marine

OEM Part

25-90011 - Drive Shaft Cover O-Ring [ More info ]

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

O-RING (2.175 x .103) 25-896523
25-896523

About Mercury Marine

OEM Part

25-896523 - O-Ring [ More info ]

Add to shopping cart $2.40
4 in stock. Explain stock levels

O-Ring
18-7176

About Sierra Marine

OEM Match

18-7176-9 - O-Ring (PK5) 25-90011 [ More info ]

Add to shopping cart $15.40 $7.67
9 in stock. Explain stock levels

#35 26-66302 SEAL, Oil (1 required per assembly)
SEAL Oil 26-66302
26-66302

About Mercury Marine

OEM Part

26-66302 - Seal - Priced Individually [ More info ]

Add to shopping cart $14.20
10+ in stock. Explain stock levels

Oil Seal
18-2056

About Sierra Marine

OEM Match

18-2056 - Seal, 26-96503 1 [ More info ]

Add to shopping cart $11.99 $9.36
10+ in stock. Explain stock levels

#37 817275A 1 PUMP ASSEMBLY, Water (1 required per assembly)
HOUSING KIT Water Pump 817275A 1
817275A 1

About Mercury Marine

OEM Part

817275A 1 - Housing for Water Pump [ More info ]

Add to shopping cart $80.80 $69.18
2 in stock. Explain stock levels

Water Pump Housing Kit  Upp
18-3571

About Sierra Marine

OEM Match

18-3571 - Water Pump Kit 817275A1 , See Notes on Detail Page [ More info ]

Add to shopping cart $89.99 $76.67
1 in stock. Explain stock levels

Water Pump kit
18-3570

About Sierra Marine

OEM Match

18-3570 - Water Pump Kit 817275A1, A2 [ More info ]

Add to shopping cart $61.99 $52.78
10+ in stock. Explain stock levels

#38 26-816575A 2 SEAL KIT (1 required per assembly)
SEAL KIT 26-816575A 2
26-816575A 2

About Mercury Marine

OEM Part

26-816575A 2 - Seal Kit -obm [ More info ]

Add to shopping cart $7.90
10+ in stock. Explain stock levels

Face Seal
18-2599

About Sierra Marine

OEM Match

18-2599 - Seal, 26-816575A 2 [ More info ]

Add to shopping cart $7.21 $5.18
10+ in stock. Explain stock levels

#39 27-43033 1 GASKET (1 required per assembly)
GASKET 27-43033  1
27-43033  1

About Mercury Marine

OEM Part

27-43033 1 - Gasket [ More info ]

Add to shopping cart $7.90
10+ in stock. Explain stock levels

#40 27-817277 1 GASKET (1 required per assembly)
GASKET 27-817277  1
27-817277  1

About Mercury Marine

OEM Part

27-817277 1 - Gasket [ More info ]

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

Impeller Gasket
18-2566

About Sierra Marine

OEM Match

18-2566-9 - Gasket 27-817277 2-Pack [ More info ]

Add to shopping cart $6.98 $5.06
10+ in stock. Explain stock levels

#41 817276 1 FACEPLATE (1 required per assembly)
FACEPLATE 817276  1
817276  1

About Mercury Marine

OEM Part

817276 1 - Water Pump Face Plate [ More info ]

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

Impeller Plate
18-3122

About Sierra Marine

OEM Match

18-3122 - Plate, 817276 [ More info ]

Add to shopping cart $9.99 $7.78
10+ in stock. Explain stock levels

#42 47-43026T 2 IMPELLER (1 required per assembly)
IMPELLER 47-43026T 2
47-43026T 2

About Mercury Marine

OEM Part

47-43026T 2 - Water Pump Impeller [ More info ]

Add to shopping cart $28.16
10+ in stock. Explain stock levels

IMPELLER
18-3056

About Sierra Marine

OEM Match

18-3056 - Impeller 47-43026-2 [ More info ]

Add to shopping cart $25.49 $16.44
10+ in stock. Explain stock levels

IMPELLER   47 43026Q02
47 43026Q02

About Mercury Marine

OEM Part

47-43026Q02 - Water Pump Impeller [ More info ]

Add to shopping cart $29.26
Available to order: Usually ships within 8 days. Explain stock levels

#44 832942A 1 COUPLING ASSEMBLY (1 required per assembly)
COUPLING ASSEMBLY 832942A 1
832942A 1

About Mercury Marine

OEM Part

832942A 1 - Coupling Kit [ More info ]

Add to shopping cart $24.70 $21.15
Available to order: Usually ships within 8 days. Explain stock levels

#45 25-21836 O-RING, (.796 x .139) (1 required per assembly)
O-RING (.796 x .139) 25-21836
25-21836

About Mercury Marine

OEM Part

25-21836 - O-Ring [ More info ]

Add to shopping cart $1.30
10+ in stock. Explain stock levels

O-Ring (5/PKG)
18-7153

About Sierra Marine

OEM Match

18-7153-9 - (PK5) O-Ring 25-25439 [ More info ]

Add to shopping cart $10.26 $7.24
10+ in stock. Explain stock levels

#46 25-35027 O-RING, (1.046) (1 required per assembly)
O-RING (1.046) 25-35027
25-35027

About Mercury Marine

OEM Part

25-35027 - O-Ring - Priced Individually [ More info ]

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

O-Ring
18-7117

About Sierra Marine

OEM Match

18-7117 - O-Ring 303360, 25-35027 [ More info ]

Add to shopping cart $2.05 $0.94
6 in stock. Explain stock levels

#- 26-816575A 4 SEAL KIT, Gear Housing (1 required per assembly)
SEAL KIT Gear Housing 26-816575A 4
26-816575A 4

About Mercury Marine

OEM Part

26-816575A 4 - Seal Kit [ More info ]

Add to shopping cart $39.90 $23.94
10+ in stock. Explain stock levels

Lower Unit Seal Kit
18-8382

About Sierra Marine

OEM Match

18-8382 - Seal Kit, 26-816575A4 [ More info ]

Add to shopping cart $33.49 $28.07
3 in stock. Explain stock levels

#- 817275A 5 REBUILD KIT, Water Pump (1 required per assembly)
REBUILD KIT Water Pump 817275A 5
817275A 5

About Mercury Marine

OEM Part

817275A 5 - Water Pump Rebuild Kit [ More info ]

Add to shopping cart $123.59
In stock Explain stock levels

#- 47-43026T11 REPAIR KIT, Water Pump Impeller (1 required per assembly)
47-43026T11 - REPAIR KIT Water  O - Replaced by 47-43026Q06
 

This part has been superseded.

47-43026T11 - 47-43026T11 - REPAIR KIT Water O [ More info ]
Unavailable
Replaced by 47-43026Q06
47-43026Q06 - REPAIR KIT Water   - Replaced by 47-8M0100526
47-43026Q06

This part has been superseded.

47-43026Q06 - 47-43026Q06 - REPAIR KIT Water [ More info ]
Unavailable
Replaced by 47-8M0100526
REPAIR KIT Water Pump 47-8M0100526
47-8M0100526

About Mercury Marine

OEM Part

47-8M0100526 - Repair Kit - Impeller [ More info ]

Add to shopping cart $48.75
10 in stock. Explain stock levels

Impeller Repair Kit
18-3265

About Sierra Marine

OEM Match

18-3265 - Water Pump Kit 47-43026Q06 [ More info ]

Add to shopping cart $42.92 $36.56
10+ in stock. Explain stock levels

IMPELLER REPAIR KIT
18-3214

About Sierra Marine

OEM Match

18-3214 - Impeller Repair Kit [ More info ]

Add to shopping cart $43.99 $29.14
10+ in stock. Explain stock levels

REPAIR KIT Water Pump   478M0100527
 

About Mercury Marine

OEM Part

47-8M0100527 - Repair Kit - Impeller [ More info ]

Add to shopping cart $48.75
Available to order: Usually ships within 8 days. Explain stock levels