New EMP Interchangeable Hub Kits for Mercury & Mariner Outboards
Discover the perfect replacement for your outboard—designed specifically for Mercury & Mariner engines rated 115 HP and above with 4-3/4-inch gearcases (Group E). Our hub kits deliver OEM-level compatibility, engineered for durability and seamless performance. Each kit includes precision-matched components that fit your gearcase, ensuring a smooth propeller install and reliable operation on the water. Shop confidently at ObParts for genuine parts, expert support, and fast shipping.
| Engine HP | Year | Prop Shaft | Gearcase | Group | Part # |
| 90, 100, 115 COMMAND THRUST | 2014-NEWER | 15 SPLINE | 4-1/4" | E | EMP-102B |
| 140 (INCLUDING SEA PRO/OFFSHORE) | 1978-81 | 15 SPLINE | 4-3/4" | E | EMP-102B |
| 150 (MODEL 1500) | 1977 & PRIOR | 15 SPLINE | 4-3/4" | E | EMP-102B |
| 135 | 1978-NEWER | 15 SPLINE | 4-3/4" | E | EMP-102B |
| 150/175/200 | 1978-NEWER | 15 SPLINE | 4-3/4" | E | EMP-102B |
| 220 | 1987-88 | 15 SPLINE | 4-3/4" | E | EMP-102B |
| 225 | 1980-NEWER | 15 SPLINE | 4-3/4" | E | EMP-102B |
| 225 HP (SEAPRO/MARATHON) | ALL | 15 SPLINE | 4-3/4" | E | EMP-102B |
| 250, 400 (2- & 4-STROKE) | 1990-NEWER | 15 SPLINE | 4-3/4" | E | EMP-102B |
| 3.4 LITRE | 1984-86 | 15 SPLINE | 4-3/4" | E | EMP-102B |
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