- Brand: Mercruiser
- Size: R/MR/Pre-Alpha
- Color: Black
- Style: 1.98:1 Ratio - 20/24 Gears
- Condition: Used
- Notes: Good condition
- SKU: 49760 SDU
- Manufacturer Part Number: 1547-7504
- Country of Manufacture: United States
- Motor & Engine Type: MerCruiser
- Part Type: Motors, Engines & Components
- Other Part Number: 7504
- Surface Finish: Painted, Black
- Inventory Number: 49760 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
MerCruiser Pre-Alpha upper sterndrive unit, 1.98:1 gear ratio, 20/24 tooth count, 2-ring universal joint. Pair with a matching Pre-Alpha lower to complete the drive.
Specs
| ▸ | Gear ratio: 1.98:1 |
| ▸ | Tooth count: 20/24 |
| ▸ | Casting: C# 1547-7504 |
| ▸ | Joint: 2-ring universal |
Condition
| ▸ | Removed from a freshwater engine |
| ▸ | Opened and inspected by Southcentral Outboards |
| ▸ | Teeth in good condition |
| ▸ | Normal scuffs and scratches — no cracks or breaks |
| ▸ | Add gear oil before installation |
Fitment
| Years: | 1969-1983 |
| Models: | MerCruiser Pre-Alpha |
Verify by model and serial number before purchase. Contact us if you need help confirming fitment.
Warranty
Southcentral Outboards proudly warranties this upper outdrive for a full 6 months. Coverage applies to gears, bearings, and shafts. If the unit fails within that period, we will repair or replace it. Seals are not covered.
Returns & Disclaimer
If you order incorrectly or change your mind, you may return the item within 45 days with a 20% restocking fee. Buyer pays return shipping. Contact us to facilitate — do not open a return on eBay. All information in this listing is provided to the best of our knowledge but not guaranteed. Fitment is the buyer's responsibility — please verify by model and serial number before purchasing, and contact us if you are unsure.
Southcentral Outboards
Altamont, IL

