Powertech OSN4 Propeller Mercury

Powertech OSN4 Blade Propeller 40 - 140 HP Mercury

The OSN has a swept blade design with a narrow tip. The 4-blade version provides better overall performance including lift, hole-shot, handling and overall gip. Every PowerTech propeller is expertly crafted for high-performance and durability, even in the harshest saltwater conditions.

• 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