Mercury Quicksilver Flo-Torq II Hub Kit 835257K1
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The Mercury Quicksilver Flo-Torq II Hub Kit 835257K1 is a genuine OEM propeller hub system designed for select Mercury and Mariner outboard engines. The Flo-Torq II system uses a slip-clutch design that absorbs impact shock during strike events, protecting the gearcase and driveshaft from damage while allowing the propeller to continue rotating.
Key Features
- Genuine Mercury Quicksilver OEM Flo-Torq II hub kit.
- Part number 835257K1.
- Slip-clutch design absorbs propeller strike shock — protects gearcase and driveshaft.
- Allows propeller to slip on impact, reducing damage to drivetrain components.
- Kit includes hub, insert, and required hardware for complete installation.
- Factory-specification OEM replacement for worn or damaged Flo-Torq II hub systems.
- Must be matched to the correct propeller and engine application by serial number.
Compatibility
Designed for select Mercury and Mariner outboard engines. Fitment depends on propeller bore size, spline count, and engine model. Verify compatibility using your outboard serial number and the correct Mercury propeller / hub application chart before ordering.
Installation Notes
Install per Mercury factory service procedures. Ensure the correct insert is used for your propeller bore and spline configuration. Inspect the driveshaft splines and propeller bore for wear or damage before installation. Torque propeller nut to factory specification.
Parts Desk Insight
Flo-Torq II hub kits are propeller-specific — the correct insert must match both the propeller bore and the engine spline count. When replacing after a strike event, always inspect the driveshaft, propeller, and gearcase for secondary damage before reinstalling.
Ships same or next day for fast Canada wide shipping. ⚓
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.