Mercury 31-78172A1 Outboard Motor Lower Unit Forward Outside Gear Bearing Sierra 18-1166

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Mercury 31-78172A1 Outboard Motor Lower Unit Forward Outside Gear Bearing
For use with:
- 175 HP (V-6) - V-175
- 200 HP (V-6) - V-200
- 220 HP (V-6) - V-220
- 150/175/200 EFI - V-150 (EFI)
- 150/175/200 EFI - V-175 (EFI)
- 135/150/175/200/XR6/MAGNUM III - XR-6
- 135/150/175/200/XR6/MAGNUM III - V-150
- 135/150/175/200/XR6/MAGNUM III - V-175
- 135/150/175/200/XR6/MAGNUM III - 105 JET
- 135/150/175/200/XR6/MAGNUM III - 140 JET
- 135/150/175/200/XR6/MAGNUM III - MAGNUM III
- 135/150/175/200 XR6 MAGNUM III 105-140 JET - XR-6
- 135/150/175/200 XR6 MAGNUM III 105-140 JET - V-150
- 135/150/175/200 XR6 MAGNUM III 105-140 JET - V-175
- 135/150/175/200 XR6 MAGNUM III 105-140 JET - V-200
- 135/150/175/200 XR6 MAGNUM III 105-140 JET - 105 JET
- 135/150/175/200 XR6 MAGNUM III 105-140 JET - 140 JET
- 135/150/175/200 XR6 MAGNUM III 105-140 JET - MAGNUM III
- 135/150/175/200(2.5L) XR4/MAGNUM II - XR-4
- 135/150/175/200(2.5L) XR4/MAGNUM II - V-175
- 135/150/175/200(2.5L) XR4/MAGNUM II - MAGNUM II
- 135/150/175/200(2.5L) XR4/MAGNUM II - V-200 (2.5L) 1991 ONLY
- 150/200 PRO-MAX/SUPER MAGNUM (EFI) - 150 EFI PRO MAX/SUPER MAG
- 150/200 EFI PROMAX/SUPER MAGNUM - 150/200 EFI PRO MAX/SUPER MAG
- 150 HP XR-2 MARATHON MAGNUM (V-6) (1978-1985 COMBINED BOOK) - V-1500
- 150 HP XR-2 MARATHON MAGNUM (V-6) (1978-1985 COMBINED BOOK) - V-150 Work
- 150 HP XR-2 MARATHON MAGNUM (V-6) (1978-1985 COMBINED BOOK) - V-150-XR-2
- 150 HP XR-2 MARATHON MAGNUM (V-6) (1978-1985 COMBINED BOOK) - V-150 Magnum
- 150 HP XR-2 MARATHON MAGNUM (V-6) (1978-1985 COMBINED BOOK) - V-150 Marathon
- 175 XRI /175 MAGNUM 200 XRI (EFI) - V-175 (MAG/EFI)
- 175 XRI /175 MAGNUM 200 XRI (EFI) - V-200 XRI (EFI)
- 200 HP (V-6) (1978-1988 COMBINED BOOKS) - V-200
- 2.5L EFI 2.5L EFI OFFSHORE - MERC/MAR 2.5L (EFI)
- 2.5L/2.5L OFFSHORE EFI - 2.5L (EFI)/(EFI-OFFSHORE)
- 2.5L EFI 2.5L EFI OFFSHORE - MERC/MAR 2.5L (EFI)/(EFI-OFFSHORE)
- XR-2 MAGNUM - MERC/MAR XR2/MAGNUM
Manufacturer: Sierra
Model Number: Bearing
Part Number: 18-1166
Also Known As:
- Allis-Chalmers P12600E, 711627810, 71162781, 11627817, 1162781, 114860, 0930882
- Caterpillar J4X8786, 8J417, 7K8877
- Eaton 312580, 248906, 132614403, 8410579, 347X167
- General Motors 4019399
- Mack 1458JM205149
- Mercury MerCruiser 31-78172A1, 3178172A1, 2697530
- Napa JM205149
- OMC 500398
- Renault 23336103
- Sierra 181166
- Timken JM205149
- Volvo 183814, 183813
- White Motor 981066, 981003, 50A5773
- Yamaha 93332000V3