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Mercury Marine 8M0151231 Enertia Propeller Assembly

Mercury Marine 8M0151231 Enertia Propeller Assembly


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Diameter15 in
Pitch15 in
Rotation DirectionRight Hand (RH)
Blade Count3
MaterialMercury X7 Stainless Steel Alloy
Hub TypeFlo-Torq II (Hub Kit Sold Separately)
Ventilation Configuration3-Hole Adjustable PVS
Blade StyleCupped, High Rake, Thin Blade Profile
Horsepower Range90-400 HP Outboard, Sterndrive
Superseded Part Number898990A46
Net Weight8.5 kg
Package Dimensions45 × 45 × 20 cm

Manufacturer No.

  • 8M0151231
  • 48-8M0151231

OEM Part No.

  • 898990A46
  • 48-898990A46

Engine Part No.

  • Mercury 90-115 HP Command Thrust FourStroke
  • Mercury 135-350 HP Verado Optimax FourStroke
  • MerCruiser Alpha One Sterndrive
  • MerCruiser Bravo One Sterndrive

Fitment Vehicles

  • Mercury 150 HP FourStroke Outboard
  • Mercury Verado 300 HP Outboard
  • MerCruiser 5.0L MPI Alpha One
  • Pontoon Boats
  • Center Console Boats
  • Sterndrive Runabouts
The Mercury Marine 8M0151231 Enertia propeller is a 3-blade right-hand rotation propeller constructed from Mercury's proprietary X7 stainless steel alloy. The X7 alloy provides a 30 percent strength increase and four times the durability compared to conventional stainless steel. The propeller features a 15-inch diameter and 15-inch pitch with aggressive cupping and high rake angles for improved acceleration, top speed, and handling. It incorporates a 3-hole Performance Vent System (PVS) allowing custom venting calibration for optimal hole-shot performance. The propeller utilizes the Flo-Torq II hub system; the hub kit is sold separately and must be selected based on the specific engine or drive application. This propeller supersedes the previous part number 898990A46.