Skip to product information
1 of 1

835257K12 Mercury MerCruiser Prop Hub & Seal | Genuine Quicksilver OEM Part

835257K12 Mercury MerCruiser Prop Hub & Seal | Genuine Quicksilver OEM Part

Regular price $92.00 AUD
Regular price Sale price $92.00 AUD
Sale Sold out
Shipping calculated at checkout.
Quantity

✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide

🔧 Product Description

Genuine Quicksilver Flo-Torq Reflex Propeller Hub Kit - Part Number: 835257K12

A genuine Quicksilver Flo-Torq Reflex propeller hub kit designed for selected Mercury and Mariner outboards. This hub kit helps reduce clutch rattle and transfers drive torque between the propeller shaft and compatible Flo-Torq / Reflex-style propellers.

⚙️ Key Features

  • Genuine Quicksilver OEM propeller hub kit
  • Correct Mercury part number 835257K12
  • Flo-Torq Reflex hub kit design
  • Designed to reduce propeller clutch rattle
  • Used on selected Mercury / Mariner outboard propeller applications

🚤 Compatibility

Commonly used on

  • Mercury / Mariner Flo-Torq Reflex propeller hub applications

Typically suits

  • Engine / propeller applications:
  • Mercury / Mariner 25HP to 70HP non-BigFoot outboards with 13-spline propeller shaft applications
  • Mercury / Mariner 40HP to 60HP FourStroke Reflex hub propeller applications
  • Mercury / Mariner 40HP to 60HP Command Thrust / BigFoot applications where 835257K12 is specified
  • Mercury / Mariner 70HP to 300HP outboards where the Flo-Torq II / Reflex hub kit is specified
  • Mercury Verado outboards up to 300HP where the matching propeller and hub application specifies 835257K12
  • MerCruiser Alpha sterndrive propeller applications where the matching propeller specifies 835257K12
  • MerCruiser Bravo One sterndrive applications under 400HP where the matching propeller specifies 835257K12
  • Mercury Vengeance and Spitfire propeller applications using the Reflex hub system
  • HP Range: commonly 25HP - 70HP non-BigFoot / Reflex applications, with wider propeller-dependent applications where specified
  • Engine / Drive Type: Mercury / Mariner outboard and selected MerCruiser propeller applications
  • System Type: Flo-Torq Reflex propeller hub kit

🔌 Function

The hub kit transfers power from the propeller shaft into the propeller while cushioning drivetrain shock and reducing clutch rattle.

⚠️ Common Signs of Failure

  • Propeller slips under acceleration
  • Clutch rattle or propeller chatter
  • Engine RPM rises without matching boat speed
  • Hub damage after impact
  • Poor propeller engagement or excessive propeller movement

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 835257K12 current OEM Reflex hub kit reference

OEM / Related Numbers

  • 835257K12
  • 835257 K12
  • 835257
  • Flo-Torq Reflex Hub Kit

Aftermarket / Verified Equivalents

  • No aftermarket equivalent

📦 Condition

  • Genuine Quicksilver part
  • Brand new
  • Supplied in original or equivalent packaging

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

View full details