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10.6" x 11" PolaStorm 4-Blade Aluminium-Titanium Propeller Mercury Mariner 25-70hp


10.6" x 11" PolaStorm 4-Blade Aluminium-Titanium Propeller Mercury Mariner 25-70hp


PolaStorm produce incredibly strong, titanium-aluminium alloy propellers that equal or exceed OEM equivalents. We’re able to offer these at competitive prices, due to a shortened supply chain.

4-Blade Aluminium propeller with pressed rubber hub to suit Mercury & Mariner outboards, when replacing a pressed hub propeller. 4-Blade propeller offer increased thrust at low speeds making them ideal for watersports and heavier craft. This 11" pitch 4-blade propeller would best suit craft that have outboards currently fitted with 12" and 13" pitch aluminium or 11" and 12" stainless steel 3-blade propellers.

This propeller is requires the thrust washer from a Mercury pressed rubber hub propeller. Pressed hub Mercury propellers use different washers than modern Mercury Flo-Torq replaceable hub propellers.

Propeller Specification:

  • Material: Titanium/Strontium/Aluminium Alloy
  • Process: Aerospace Precision Casting (APC) (up to 33% stronger)
  • Diameter: 10.6"
  • Pitch: 11"
  • Colour: Black
  • Spline Tooth: 13
  • Blades: 4
  • To suit:  3 1/4" gearcase

Outboard Application

Mercury & Mariner models:

4 Stroke:

  • 25hp Bigfoot / Command Trust  (1999+)
  • 30-40hp (1997+)
  • 50hp (1995+)
  • 60hp (2001+)
  • All 40-60hp (1977+) (not BigFoot)

2 Stroke:

30hp (1994 -2002)

  • 30hp Sea Pro/ Marathon (1994+)
  • 35hp (1984-1989)
  • 40 HP (1977 & newer)
  • 45hp (1986-1998)
  • 48hp
  • 50hp (1977+)
  • 55hp (1995+)
  • 60hp (1978+)
  • 70hp (1983)
  • All 40-60hp (1977+) (not BigFoot)

Why choose a PolaStorm QPIM propeller?

An advanced Aerospace Precision Casting (APC) process using Titanium/Strontium/Aluminium alloy, results in a product which is up to 33% stronger than traditional Die and Squeeze Cast aluminium propellers. They are then finished using a robotically applied AkzoNobel* patented, environmentally friendly, anti-corrosion powder coating.

We're proud to be the British Isles exclusive distributor. Stock is held at our base in Wiltshire, allowing us to offer Next Day mainland GB delivery (except Highlands & Islands) if ordered before midday on weekdays. 

*AkzoNobel are the owners of International Paints, Sikkens, Dulux etc.”

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