YOUNG PROPS 14x17 Boat Propeller for Mercruiser Alpha & Bravo One — 4-Blade RH Aluminum, Includes Full Hub Kit

This precision-forged aluminum propeller (14" diameter, 17" pitch, 4 blades, right rotation) is built as a direct-fit alternative to OEM Mercury props used on 135–300 HP outboards. It comes with a full hub kit and hardware so you can swap it into compatible Mercruiser Alpha or Bravo One drives quickly, getting your boat back on the water with reliable acceleration and stable top-end speed.

Will this prop fit my Mercruiser Alpha or Bravo One drive?

Yes — the YOUNG PROPS 14x17 is engineered to match common Mercruiser Alpha and Bravo One specifications and replaces OEM reference 48-8M0084494. Always confirm your lower unit type and spline/tooth count before purchase.

• Diameter: 14 inches; Pitch: 17 inches
• Blade count: 4; Tooth (spline) count: 15
• Rotation: Right-hand (clockwise)
• Compatible with Mercury outboards 135–300 HP when specified

How does this propeller affect boat performance?

The 4-blade design balances thrust and handling: it improves low-end acceleration and hole-shot while maintaining stable cruise speeds. The alloy-aluminum construction aims to deliver consistent RPM response without heavy weight penalties.

• Better acceleration from planning and during maneuvers
• Smoother RPM control across throttle range
• Improved load handling compared with some 3-blade options
• Durable alloy resists routine wear for longer service life

What comes with the propeller and how easy is installation?

YOUNG PROPS includes a complete hub kit and all necessary hardware so you won’t need additional parts for a standard swap. The kit is intended for straightforward installation by a competent DIYer or marine technician.

• Included: forward thrust washer, drive sleeve, aft adaptor, tab washer, propeller nut
• Interchangeable hub allows fitment to the specified spline count
• Installation requires basic marine tools and torqueing to spec
• Refer to service manual to confirm proper installation procedure

What quality and warranty protections are provided?

The propeller is manufactured under strict quality control to balance durability with performance. YOUNG PROPS offers a 12-month replacement warranty covering blade fractures and hub bushing slippage under typical use; normal wear and damage from impacts or improper installation are excluded.

• Alloy-aluminum construction for lightweight strength
• Quality control checks aim to preserve top speed and RPM consistency
• 12-month replacement guarantee for specific manufacturing failures
• Warranty excludes normal wear, accidental impacts, and misuse

Who is this for? This YOUNG PROPS 14x17 4-blade right-hand propeller suits boat owners and service professionals who need a reliable OEM-compatible replacement for Mercruiser Alpha and Bravo One lower units. It’s ideal if you want improved acceleration and dependable cruising behavior, a ready-to-install hub kit, and a backed replacement policy for manufacturing defects. Verify your drive model, spline-tooth count, rotation, and engine horsepower range before ordering to ensure correct fit and optimal performance.