PowerTech OSN4 Stainless Propeller 40-140 HP Mercury

PowerTech OSN4 Stainless Propeller 40-140 HP Mercury

PowerTech OSN4 Swept Blade Stainless Steel Propellers for 40-140 HP Mercury-Mariner Outboard motors.

The Powertech Propellers OSN 4 blade has a swept-blade design with a narrow tip giving it excellent top end performance and is the factory equivalent for newer OMC SST-style propellers. The OSN4 comes with a factory pressed in M135 (Mercury) rubber hub bushing, for mounting using your original OEM Mercury Propeller hardware. 

OSN4 Propellers Feature:

  • Pitch range 15 thru 21
  • Available in 3 and 4 blades
  • Outboard powered Bass, Lake and Bay Boats
  • Right hand rotation
  • Excellent hole shot, handling, and grip
  • Polished Stainless Steel
  • 4.25" Gearcase
  • Thru Hub Exhaust
  • 15 Tooth Spline
  • M135 Rubber Hub Bushing

OSN4 Propellers for the following Mercury Outboard motors:

40,50,60 HP Command Thrust All Years
40,50,60 HP Big Foot All Years
60 HP Sea Pro 4-Stroke 2016 & Newer
70 HP '87-'89
75 HP(2&4-stroke) '84 & Newer
80 HP '78-'89
90 HP (2&4-stroke '78 & Newer
100 HP '88 & Newer
115 HP '78 & Newer
115 HP 4-stroke '01 & Newer
125 HP '94 & Newer
140 HP (Includes Sea Pro & Offshore) '78-'81
650 2 Cyl thru '71
800-850 6 cyl thru '72
800-850 4 cyl '72-'77
900-1500 Models thru '77
80 HP Mariner '78-'83

NOTE: If you are not satisfied with your purchase within the first 30 days, we will exchange your propeller for a different pitch for a nominal fee.

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  • Product Code: OSN4-M
  • Availability: 2
  • $461.00

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