Quick Summary
The Flo-Torq II 835257Q1 is a propeller hub kit for Mercury and Mercruiser outboard and sterndrive applications. It is described as a replacement hub kit, and the fitment details list Mercury/Mariner outboard ranges plus Mercury Mercruiser Alpha, Alpha One and Bravo One.
This kit is meant for buyers replacing an existing propeller hub assembly and checking the exact application before choosing an offer. It is also described as including a forward thrust washer, driving sleeve, aft adaptor, tabwasher and propeller nut.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | Propeller hub kit replacement for outboard and sterndrive use. |
| Model / reference | 835257Q1 Flo-Torq II. |
| Compatibility | Mercury / Mariner 40-60 HP Bigfoot / Command Thrust, 70-300 HP 2-Stroke and 4 Stroke, Force 90-120, Mercury Mercruiser, Alpha and Alpha One, Bravo One under 400 HP. |
| Included items | 1 forward thrust washer, 1 driving sleeve, 1 aft adaptor, 1 tabwasher and 1 propeller nut. |
| OEM number | Replacement for 835257Q1. |
What to Compare Before Buying
- Exact application: Check the engine or drive model against the listed Mercury, Mariner and Mercruiser fitment.
- Horsepower range: The fitment covers specific outboard ranges and Bravo One use under 400 HP, so match the stated range to your setup.
- Replacement contents: Confirm that the hub kit contents match what you need for the propeller assembly.
- OEM reference: Compare the 835257Q1 reference with the part you are replacing.
What Is Included
- 1 forward thrust washer
- 1 driving sleeve
- 1 aft adaptor
- 1 tabwasher
- 1 propeller nut
Before You Decide
Check the Mercury, Mariner or Mercruiser application carefully before choosing an offer. Confirm the 835257Q1 reference, the listed horsepower range and the included hub kit parts against the propeller setup on your boat.









