DESCRIPTION
Mercruiser Sterndrive Alpha I Gen II Forward & Pinion Gear Set (13/21 teeth) – OEM replacement gears for Mercury Mercruiser Alpha I Gen II sterndrives. This matched pair delivers smooth shifting and reliable power transfer in your marine engine's lower unit.
- 13-tooth forward gear & 21-tooth pinion gear
- Factory OEM specification for Alpha I Gen II models
- Precision-cut for accurate mesh and minimal wear
- Direct replacement for original 878087 & 828071 components
Restore proper transmission engagement and eliminate gear noise or slipping with these authentic Mercruiser gears.
SHIPPING & RETURNS
SHIPPING
- Free Shipping on all orders — no minimum purchase required.
- Orders are dispatched within 24 hours of purchase (business days).
- Estimated delivery: 2–5 business days within the contiguous United States.
- Tracking information emailed as soon as your order ships.
RETURNS
- Exchanges accepted — we want you to be completely satisfied.
- If a part does not fit or is not as described, contact us within 7 days for an exchange.
- Items must be in original, unused condition and in original packaging.
WARRANTY
- 1-Year extended warranty available at additional cost — ask us for details.
FITMENT & COMPATIBILITY
Please verify that this part is compatible with your vehicle's year, make, model, and trim level before ordering. Part numbers and fitment details are listed in the product description. If you have any questions about compatibility, our team is happy to help — contact us by phone or email before purchasing.
Phone: (803) 723-7074
Email: sales@findmypart.shop
Hours: Mon–Fri, 9am–5pm EST
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