DESCRIPTION
SeaDoo GS/GSI 717/720 Crankcase - OEM replacement crankcase for SeaDoo GS and GSI jet ski models with 717cc and 720cc engines. This critical engine component houses the crankshaft and maintains proper oil circulation.
- Fits: SeaDoo GS, GSI (717cc and 720cc models)
- OEM part number: 420890121
- Durable cast construction
- Essential for engine block integrity and lubrication
Keep your jet ski running reliably with this genuine SeaDoo crankcase - a core engine component that ensures proper fit and long-term 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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- SHIPS IN 24 HOURSOrders dispatched within one business day, delivered in 2–5 business days.
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