YOUNG PROPS 14 x 19 Boat Propeller for Mercury 48-8M0084495 — 4‑Blade, 15‑Tooth with Hub Kit

A durable 14 x 19, 4-blade alloy-aluminum propeller engineered by YOUNG PROPS to replace Mercury 48-8M0084495 for 135–300HP outboards and sterndrives.

If you need a reliable, OEM-compatible replacement propeller for Mercury/Mercruiser engines (Alpha/Bravo One Drive, 2- and 4-stroke outboards) the YOUNG PROPS 14 x 19 prop delivers a balance of speed, acceleration and longevity. This right-rotation prop features a 14-inch diameter, 19-inch pitch, four blades and a 15-tooth spline designed to match the fit and performance range of engines from 135 to 300 horsepower. It ships with a complete hub kit and installation hardware to simplify swapping it onto your drive.

How does this prop perform on acceleration and top speed?

The 4-blade, 14 x 19 design is intended to offer solid mid-range acceleration while maintaining competitive top-end speed for the specified horsepower band. Its alloy-aluminum construction aims to preserve engine RPM and responsiveness without excessive drag.

• Four blades for improved thrust and reduced ventilation.
• 19-inch pitch tuned to balance acceleration and cruise speed.
• Alloy-aluminum material for lightweight strength and corrosion resistance.
• Right-hand rotation compatible with many Mercury sterndrives and outboards.

Will this fit my Mercury or Mercruiser 135–300HP setup?

This prop is manufactured to match the Mercury reference 48-8M0084495 fitment, including a 15-tooth spline and standard dimensions. It fits many Alpha/Bravo One Drive and compatible outboard and sterndrive models within the 135–300HP range, but always verify spline count and rotation before purchase.

• 15-tooth spline for correct shaft engagement.
• Right-hand rotation — verify your engine’s rotation direction.
• Designed as an OEM-style replacement for Mercury/Mercruiser ref 48-8M0084495.
• Compatible with 2- and 4-stroke outboards and sterndrives in the stated HP range.

What hardware and support come with the propeller?

The prop includes a hub kit and installation hardware so you receive everything needed for a straightforward replacement. Parts provided reduce the need to source additional components separately.

• Interchangeable hub for shock protection and correct fit.
• Forward thrust washer, drive sleeve, aft adaptor, tab washer and prop nut included.
• Hardware selection designed to fit standard Mercury/Mercruiser installations.
• Simple installation when following manufacturer torque and safety procedures.

What quality and warranty assurances are offered?

YOUNG PROPS manufactures this alloy-aluminum prop under strict quality control to reduce wear and provide consistent marine performance. A limited warranty covers blade fractures and hub slip for 12 months under normal use conditions, with standard exclusions.

• Manufactured with durability and consistent blade geometry.
• 12-month replacement warranty for blade fracture and bush slipping.
• Warranty excludes normal wear, accidental damage, modification, or improper installation.
• Quality checks aimed at maintaining RPMs and fuel efficiency.

Who is this for: The YOUNG PROPS 14 x 19 (48-8M0084495) is aimed at boat owners and anglers running Mercury or Mercruiser outboards and sterndrives in the 135–300HP range who need an OEM-compatible replacement propeller. It suits users seeking a ready-to-install prop with included hub hardware, a focus on reliable mid-range acceleration and cruise performance, and a practical warranty for normal marine use.