FREE SHIPPING
Free shipping on every order — no minimum purchase required.DESCRIPTION
Mercury Lower Unit Extension Kit for 4-cylinder outboards 40, 45, and 50 HP models from the 1970s–1990s. This kit extends your lower unit for improved water clearance and performance in shallow-water conditions.
- Fits Mercury 40, 45, and 50 HP 4-cylinder engines
- Compatible with 1970s–1990s models
- Increases lower unit length for shallow-water operation
- OEM-quality construction for reliable fit and function
Ideal for anglers and boaters who need better shallow-water access without sacrificing drive performance.
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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