FREE SHIPPING
Free shipping on every order — no minimum purchase required.DESCRIPTION
F3 Mercury Mariner 40HP 4-Cylinder Starter Motor Assembly fits Mercury Mariner outboard engines with 40HP 4-cylinder configurations. This OEM-spec starter delivers reliable cold-weather starting performance and consistent engagement.
- Part Number: 50-73521
- Horsepower: 40HP
- Engine Type: 4-Cylinder
- Direct replacement for original Mercury Mariner units
Heavy-duty construction ensures years of dependable starting power without the frustration of a weak or failing motor.
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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