- Brand: MerCruiser
- Size: 1.84:1
- Color: Black
- Style: 17 Splines
- Condition: Used
- Notes: Professionally Inspected
- SKU: 15235 SDU
- Manufacturer Part Number: 1547-9412
- Country of Manufacture: United States
- Motor & Engine Type: Mercruiser
- Part Type: Motors, Engines & Components
- Other Part Number: N/A
- Surface Finish: Painted, Black
- Warranty: 6 Month
- Inventory Number: 15235 SDU
- Website Category: Sterndrive and Jetdrive Parts
- Website Sub Category: Sterndrive Gimbal and Transom Assy
- UPC: N/A
- Shipping: $75.00
MerCruiser Pre-Alpha upper outdrive with a 1.84:1 gear ratio. Opened and inspected — no metal or water in the case, gear teeth in great condition. Decals removed but can be replaced. Light surface rust on the shaft, with plenty of life remaining.
Part Number
Casting Number: 1547-9412
Condition
| ▸ | Opened and inspected — no metal or water in case |
| ▸ | Gear teeth in great condition |
| ▸ | Gear ratio: 1.84:1 |
| ▸ | Decals removed (replaceable), light surface rust on shaft |
| ▸ | Please remember to add oil before installation |
Fitment
Years: 1969 – 1983
Horsepower: 170 – 190 HP
Gear Ratio: 1.84:1
Engines: 4.3L • 470
Cross-reference is accurate to the best of our knowledge but not guaranteed. Verify by casting number before purchasing. Contact us if you need help.
| 6Month Mechanical Warranty |
Southcentral Outboards backs this upper with a 6-month mechanical warranty. If anything goes wrong within that period, we will refund or replace as appropriate. Warranty does not cover incorrect ordering.
Returns
If you order this incorrectly or change your mind within 45 days, you may return it with a 20% restocking fee. Buyer pays return shipping. Contact us to facilitate — do not open a return on eBay.

