No. Blades: 6
Depth /Height/Width :14.22mm
Outer /External impeller overall Diameter: 33.78mm
Internal shaft insert /Hub Diameter : 10.30mm
Net Weight: 7g
Material: Impeller(CR), Shaft Sleeve (Nylon)

Water Pump Impeller Dimensions:

• Water motor impeller have 6 blades.Height:14.30mm,External Impeller Overall Diameter:33.58mm,Internal Shaft Insert Diameter:10.25mm.
• This aftermarket impeller replaces Mercury outboard motor part #47-16154-3,Tohatsu outboard motor part 369-65021-1, impeller 18-3098.
• Water pump impeller are 100% brand new and don't used or rebuilt.
  Similar in design to stock OEM units and require only simple hand tools for installation.Direct replacement,OE level quality and durability.
• Water pump impeller 100% compatible with OE parts and passed TS16949 certified.Fits for Mercury/Mariner (4-STROKE) Carb 2HP 2.5HP 3HP,Mercury/Mariner (2-STROKE) 4HP 5HP,6HP.