Lower Unit Bearings

MERCURY OUTBOARD BEARING APPLICATION

Model

Serial Number

Bearing
(Drive Shaft)

Bearing
(Pinion)

Inside Bearing
(Forward Gear)

Outside Bearing
(Forward Gear)

Bearing
(Reverse Gear)

Thrust bearing
(Reverse Gear)

Bearing
(Bearing Carrier)

35 (2 Cyl)

6445653- & Up

—

—

—

18-1162

—

N/A

—

350

1960827-2874703

—

—

—

18-1162

—

NIA

—

400 (2 Cyl)

2874704-3336257

—

—

—

18-1162

—

N/A

—

402

3336258-4117709

—

—

—

18-1162

—

N/A

—

402

4117710- 4860102

—

—

—

18-1162

—

N/A

—

402 /40 (2Cyl)

4860103 -5556229

—

—

—

18-1162

—

N/A

—

40 (2 Cyl)

5556230 - G053313

—

—

—

18-1162

—

N/A

—

40 (4 Cyl)

Cl59200 & Up

—

—

—

18-1162

—

N/A

—

45 (4 Cyl)

5531630 & Up

—

—

—

18-1162

—

N/A

—

500

23O51O1 -2858813

—

—

—

18-1162

—

N/A

—

500

2858814-414O999

—

—

—

18-1162

—

N/A

—

4141000 - 4357639

—

—

—

18-1162

—

N/A

—

500/50

—

—

—

18-1162

—

N/A

—

500/50

4962056-5531629

—

—

—

18-1162

—

N/A

—

50 (4 Cyl)

5531630 & Up

—

—

—

18-1162

—

N/A

—

50 (3 Cyl)

6428681 & Up

—

—

—

18-1162

—

N/A

—

60 (3 Cyl)

—

—

—

18-1162

—

N/A

—

650(4 Cyl)

1542745-1765403

18-1153

—

18-1157

18-1156

—

N/A

18-1158

650 (4 Cyl)

2119749 -2309310

18-1153

—

18-1157

18-1156

—

N/A

18-1158

650 (4 Cyl)

2309311 -2452709

18-1153

—

18-1157

18-1156

—

N/A

18-1158

650(4 Cyl)

2503991 -2803561

18-1153

—

18-1157

18-1156

—

N/A

18-1158

650 (4 Cyl)

2803562 -2874263

—

—

18-1157

18-1156

N/A

18-1158

650 (4cyI)

2997339&Up

—

—

18-1157

18-1156

—

N/A

18-1158

650 (3 Cyl)

3293184-3525440

—

—

—

18-1162

—

N/A

—

650 (3 Cyl)

3547987 -4571651

—

—

—

18-1162

—

N/A

—

70 (3 Cyl)

4571652 -4977156

—

—

—

18-1162

—

N/A

—

70 (3 Cyl)

4977157-5579016

—

—

—

18-1162

—

N/A

—

70 (3 Cyl)

5579017-6428680

—

—

—

18-1162

—

N/A

—

70 (3 Cyl)

A996142-&Up

18-1118

N/A

18-1157

18-1156

18-1113

18-1112

18-1158

75(4 Cyl)

6432901 & Up

18-1121

—

18-1157

18-1156

N/A

N/A

18-1158

75 (3 Cyl)

A996142-&Up

18-1118

N/A

18-1157

18-1156

18-1113

18-1112

18-1158

800 (4 Cyl)

2559001 -3144218

18-1153

—

18-1157

18-1156

—

N/A

18-1158

800(4 Cyl)

3144219 -3493912

—

—

18-1157

18-1156

—

N/A

18-1158

80 (4 Cyl)

4831999 -6432900

18-1121

—

18-1157

18-1156

N/A

N/A

18-1158

80 (3 Cyl)

A996142&Up

18-1118

N/A

18-1157

18-1156

18-1113

18-1112

18-1158

850 (4 Cyl)

3493913-4831998

—

—

18-1157

18-1156

—

N/A

18-1158

900 (6Cyl)

18-1153

—

18-1157

18-1156

—

N/A

18-1158

900/90 (6 Cyl)

4845301 - & Up

18-1121

—

18-1157

18-1156

N/A

N/A

18-1158

90 (3 Cyl)

A996142 & Up

18-1118

N/A

18-1157

18-1156

18-1113

18-1112

18-1158

100 (4Cyl)

B209468 - & Up

18-1118

N/A

18-1157

18-1156

18-1113

18-1112

18-1158

1150

2836019 - 2933900

18-1153

—

18-1157

18-1156

—

N/A

18-1158

1150

2933901 -3525440

18-1153

—

18-1157

18-1156

—

N/A

18-1158

1150

3525441 -4112634

18-1153

—

18-1157

18-1156

—

N/A

18-1158

1150

4112635-4855152

18-1121

—

18-1157

18-1156

—

N/A

18-1158

1150/115

4855153-5314655

18-1121

—

18-1157

18-1156

N/A

N/A

18-1158

(1) Standard Rotation Only.
(2) For Units With A Casting Number Of 1655-9572C Only.
(3) For Units With A Casting Number Of 1674-814247C Only.
(4) Two Bearings Required.
(5) For 5/8 Dual Bearing Application.
(6) Use 18-1 155 For Counter Rotation Applications.
(7) For Counter Rotation Use 18-1114.

MERCURY OUTBOARD BEARING APPLICATION

Model

Serial Number

Bearing (Drive Shaft)

Bearing (Pinion)

Inside Bearing (Forward Gear)

Outside Bearing (Forward Gear)

Bearing (Reverse Gear)

Thrust Bearing (Reverse Gear)

Bearing (Bearing Carrier)

1 15 (6 Cyl)

5314656 . 5600966

18-1121

—

18-1 157

18-1156

N/A

N/A

18-1158

1 15 (6 Cyl)

5600967 . 6436122

18-1121

—

18-1 157

18-1156

N/A

N/A

18-1158

115 (6 Cyl)

6436123 & Up

18-1121

—

18-1157

18-1156

N/A

N/A

18-1158

115/125(4Cyl)

C100000 &Up

18-1118

N/A

18-1157

18-1156

18-1113

18-1112

18-1158

1250

2314956 - 2839368

18-1153

—

18-1 157

18-1156

—

N/A

18-1158

1350

2839369 - 2940020

18-1153

—

18-1 157

18-1156

—

N/A

18-1158

1350

2940021 - 3293233

18-1153

—

1 8-1 157

18-1156

—

N/A

18-1158

1400

3293234 - 3502805

18-1153

—

18-1157

18-1156

—

N/A

18-1158

140

4865687 & Up

18-1121

—

18-1157

18-1156

N/A

N/A

18-1158

1500

3502806-4121434

18-1153

—

18-1157

18-1156

—

N/A

18-1158

1500

4121435 - 4865677

181121

181157

18-1156

N/A

181158

A904646 & Up

18-1143

18-1117

18-1122

18-1166

18-1155

N/A

18-1158

V-135

0100861 & Up

18-1143

18-1117

18-1122

18-11660

18-1155

N/A

18-1158

V-135

0239553 & Up

18-1143

18-1117

18-1122

18-1166

18-1155

N/A

18-1158

V-135

D082000 & Up

18-1143

18-1117

18-1115

18-1166

18-1155

N/A

18-1158

V-150

4868998 - 5432021

18-1164

—

18-1122

18-1166

18-1155

N/A

18-1158

V-150

5432022 - 6042945

18-1164

—

18-1122

18-1166

18-1155

N/A

18-1158

V-150

6042946 - 6443212

18-1164

—

18-1122

18-1166

18-1155

N/A

18-1158

V-150

6443213 - 6616990

18-1164

—

18-1122

18-1166

18-1155

N/A

18-1158

V-150

6616991 - A904645

18-1164

—

18-1122

18-1166

18-1155

N/A

18-1158

V-150

A904646 & Up

18-1143

18-1117

18-1122

18-1166

18-1155

N/A

18-1158

V-150

C100861 & Up

18-1143

18-1117

18-1122

18-1166

18-1155

N/A

18-1158

V-150

C239553 & Up

18-1143

18-1117

18-1122

18-116601

18-1155

N/A

18-1158

V-150

D082000 & Up

18-1143

18-1117

18-1115

18-1166

18-1155

N/A

18-1158

V-15OXRI(EFI)

D082000& Up

18-1143

—

18-1157

18-1156

N/A

N/A

18-1158

V-15OXRI(EFI)

D082000 & Up

18-1143

18-1117

18-1 115

1B-1166

18-1155

N/A

18-1158

V-15OXRI (ER)

D082000& Up

18-1143

18-1117

18-1115

18-1166O

18-11550

N/A

18-1158

V-175

4301235-5393736

18-1164

—

18-1122

18-1166

18-1155

N/A

18-1158

V-175

5393737 - 6618750

18-1164

—

18-1122

18-1166

18-1155

N/A

18-1158

V-175

6618751 & Up

18-1143

18-1117

18-11220

18-1166

18-1155

N/A

18-1158

V-175

C100861 & Up

18-1143

18-1117

18-1122O

18-1166

18-1155

N/A

18-1158

V-175

C239553& Up

18-1143

18-1117

18-1122

18-1166

18-1155

N/A

18-1158

V-175

D082000& Up

18-1143

18-1117

18-1115

18-1166

18-1155

N/A

18-1158

V-175XR1(EFI)

D000750& Up

18-1143

18-1117

18-1122

18-1166

18-1155

N/A

18-1158

V-175XR1(EFI)

D000750& Up

18-1143

18-1117

18-1122

18-1166

18-1155

N/A

18-1158

v-i 75XR1 (EFI)

D082000 & Up

18-1 143

—

18-1157

18-1 156

N/A

N/A

18-1158

V-175XRI (EFI)

D082000& Up

18-1143

18-1117

18-1115(1)(4)(7)

18-1166

18-1155

N/A

18-1158

V-175XR1(EFI)

D082000& Up

18-1143

18-1117

18-1115(1)(4)(7)

18-1166

18-1155

N/A

18-1158

V-200

4839034 - 5363917

18-1164

—

18-1122(1)

18-1166

18-1155

N/A

18-1158

V-200

5363918 - 6073191

18-1164

—

18-1122(1)

18-1166

18-1155

N/A

18-1158

V-200

6073192 - 6203990

18-1164

—

18-1122(1)

18-1166

18-1155

N/A

18-1158

V-200

6203991 -6435502

18-1164

—

18-11220(1)

18-1166

18-1155

N/A

18-1158

V-200

6435503 - 6625220

18-1 164

—

18-1122(1)

18-1166

18-1155

N/A

18-1158

V-200

6625221 - C100860

18-1143

18-1117

18-1122(1)

18-1166

18-1155

N/A

18-1158

V-200/V-200(EFI)

C100861 -C291519

18-1143

18-1117

18-1122(1)

18-1166

18-1155

N/A

18-1158

1) Standard Rotation Only.
(2) For Units With A Casting Number Of 1655-9572C Only.
(3) For Units With A Casting Number Of 1674-814247C Only.
(4) Two Bearings Required.
(5) For 5/8 Dual Bearing Application.
(6) Use 18-1 155 For Counter Rotation Applications.
(7) For Counter Rotation Use 18-1114.

MERCURY OUTBOARD BEARING APPLICATION

Model

Serial Number

Bearing

(Drive Shaft)

Bearing

(Pinion)

Inside Bearing

(Forward Gear)

Outside Bearing

(Forward Gear)

Bearing

(Reverse Gear)

Thrust Bearing

(Reverse Gear)

Bearing

(Bearing Carrier)

V-200 (2.5L)

C291520 -D081999

18-1143

18-1117

18-1122D(1)(5)(7)

18-1166D1(1)(6)

18-1155(1)

N/A

18-1158

V-200

D082000 & Up

18-1143

18-1117

18-1115(1)(7)

18-1166D~(1)(6)

18-1155(1)

N/A

18-1158

V-200XRI(EFI)

C291520 & Up

18-1143

18-1117

18-1122(1)

18-1166

18-1155

N/A

18-1158

V-200XRI(EFI)

D082000 & Up

18-1143

—

18-1157

18-1156(1)

N/A

N/A

18-1158

V•200XRI(EFI)

D082000 & Up

18-1143

18-1117

18-1115(1)(4)(7)

18-1166(1)(6)

18-1155(1)

N/A

18-1158

V-200XRI(EFI)

0082000 & Up

18-1143

18-1117

18-1115(1)(4)(6)

18-1166i(1)(6)

18-1155(1)

N/A

18-1158

V-220

B117316&Up

18-1143

18-1117

18-1122(1)

18-1166

18-1155

N/A

18-1158

V-225

5628028 & Up

18-1164

—

18-1122(1)

18-1166

18-1155

N/A

18-1158

225

D280813 & Up

18-1143

18-1117

18-1157(1)(7)

18-1159(1)

18-1155(1)

N/A

18-1158

XR-4

B242885 &Up(2)

18-1143

—

18-1157

18-1156

N/A

N/A

18-1158

XR-4

B242885 & Up

18-1143

—

18-1157

18-1156

N/A

NIA

18-1158

XR-4(2)

C100861&Up

18-1143

—

18-1157

18-1156

N/A

N/A

18-1158

XR-4(3)

C100861 & Up

18-1143

—

18-1157

18-1156

N/A

N/A

18-1158

XR-4

C239553 & Up

18-1143

—

18-1157

18-1156

N/A

N/A

18-1158

XR-6

D082000&Up

18-1143

—

18-1157

18-1156

N/A

N/A

18-1158

Reverse Gear Thrust
Bearing 18-1112
OE:31-12576

Reverse Gear
Bearing 18-1113
OE:31-12578

Inside Forward Gear
Bearing 18-1114
OE: 31-15844

Pinion Bearing 18-1115
OE: 31-32898

Pinion Bearing 18-1116
OE: 31-35934A1

Pinion Bearing 18-1117
OE: 31-42647A1

Drive Shaft Bearing 18-1118
OE: 31-42677A1

Drive Shaft Bearing 18-1121
OE: 31-69220

Inside Forward
Bearing 18-1122
OE: 31 -73363

BalI Bearing
18-1153
OE: 30-63326

Tapered Rolling
Bearing 18-1143
OE: 31-36387A1

BaIl Bearing 18-1155
OE: 30-88957A1

Tapered Roller
Bearing 18-1156
OE: 31 -30894A1

Needle Roller
Bearing 18-1157
OE: 31-30895

Needle Roller
Bearing 18-1158
OE: 31-330956

Tapered Rolling
Bearing 18-1159
OE:31 -35928A1

Tapered Roller
Bearing 18-1162
OE 31-38356A1

Tapered Roller
Bearing 18-1164
OE 31-53079A1

Tapered Rolling
Bearing 18-1166
OE 31 -781 72A1

Pinion Nut 18-3719 Replaces: 11-35921

Anode! Trim Tab 18-6011 Replaces: 31 640A1

Anode 18-6249
Replaces:818298A1

Tab Washer (small) 2298
OE: 14-18323

Tab Washer (large) 2299
OE: 14-79447

V-6 Spanner Nut (small)
 3750
OE: 52699 4" dia. 101mm

V-6 Spanner Nut (large) 3751
OE: 79448 4-3/8" dia. 111mm!