Turning Point Propellers Express Mach3 OS Left Hand Stainless Steel 3-Blade Propeller 15.6" x 17 Pitch

Express Mach3 OS - Left Hand - Stainless Steel Propeller - OS-1617-L - 3-Blade - 15.6" x 17 Pitch

The Express Mach3 OS Series of Stainless Steel Propellers are the next step in the evolution of our very popular larger diameter VO series. Our Engineers and Propeller Experts made improvements to the cup, leading and trailing edges, and the aggressive progressive rake and blade geometry that are Turning Point hallmarks. These modifications have produced a propeller with excellent hole shot, impressive bow lift, and class leading cornering.

The Express Mach3 OS is perfectly matched to large horsepower bay boats, offshore center consoles, and high horsepower pontoons/tri-toons. It will fit all 90hp and larger 4.75" gearcase outboards from all engine manufacturers, and Mercury Alpha One and Bravo One, and Volvo Penta SX sterndrives. Large diameter three blade propellers offer great mid-range fuel economy in many applications. Whether you are looking to maximize your time on the water, extend your cruise range, or just stretch your fuel dollars, the Express Mach3 OS is a great choice to get the most out of your boat.

Proprietary Stainless Steel, TP17

Formulated to meet the exacting requirements of the New Express Mach3 and Mach4 designs. 20% higher chromium content than the competition - more shine, better corrosion resistance. Almost 250% Stronger and 5X more durable than run-of-the-mill stainless steel. This new material allows Turning Point's Engineers and Designers the freedom to produce radical new designs that will help you wring the most performance out of your boat.

Large Free Flowing Exhaust Ports

Turning Point's Propeller Housings have massive Exhaust flow pathways. Their Propellers have 40% more exhaust flow Area versus competitive product. More exhaust flow and less backpressure can generate more horsepower. Like headers for your boat.

Turning Point manufactures Express propellers to fit 9.9(bigfoot)-300+hp Evinrude, Force, Honda, Johnson, Mariner, Mercruiser, Mercury, Nissan, OMC, Parsun, Suzuki, Tohatsu, Volvo Penta, and Yamaha Outboards and Sterndrives. Choose one of our Lifetime Warranty MasterGuard Installation Kits to fit your engine, then choose the propeller that matches your boating requirements. There are 3 and 4 blade, left and right rotation prop models with a variety of diameter and pitch options available for almost all boat types. Turning Point's Props Run Faster, Pull Harder, and Handle Better.

Note: A Hub Kit is required for installation of this propeller. See the Turning Point Selection Chart or the Prop Wizard for hub kit selection.

WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

The Turning Point Propellers Express Mach3 OS Series features a high-performance stainless steel propeller designed for demanding boating applications. Crafted with proprietary TP17 stainless steel, this 3-blade propeller offers 20% higher chromium content for enhanced corrosion resistance, greater shine, and increased durability compared to standard stainless steel. Its aggressive blade geometry, improved cup, and optimized leading and trailing edges contribute to superior hole shot, impressive bow lift, and exceptional cornering capabilities. These enhancements help boaters achieve faster acceleration and better handling, especially in large horsepower bay boats, offshore center consoles, and high-performance pontoons or tri-toons.

The Mach3 OS is engineered to fit all 90hp and larger 4.75-inch gearcase outboards from various manufacturers, including Mercury, Yamaha, Volvo Penta, and others. Its large diameter and three-blade design deliver excellent mid-range fuel economy and consistent performance across different boating scenarios. Whether you're aiming to extend your cruising range, maximize fuel efficiency, or enjoy more time on the water, this propeller offers a reliable solution. Additionally, its large exhaust ports facilitate increased exhaust flow, reducing backpressure and supporting more horsepower output, similar to high-performance headers for your boat.

Turning Point manufactures this propeller to meet the needs of a wide range of engines, including Evinrude, Force, Honda, Johnson, Mariner, Mercruiser, Nissan, Parsun, Suzuki, Tohatsu, and Sterndrives from Mercury and Volvo Penta. To ensure proper fitment, install the propeller with a compatible Hub Kit, which is available separately. With a variety of rotation options, blade counts, and pitches, the Express Mach3 OS is designed to run faster, pull harder, and handle better, making it an excellent choice for serious boaters seeking maximum performance and reliability.

Features:

• Proprietary TP17 stainless steel with 20% higher chromium for corrosion resistance and durability

• Large exhaust ports providing 40% more exhaust flow area for increased horsepower

• Optimized blade design with improved cup, leading, and trailing edges for better hole shot and cornering

• Compatible with all 90hp and larger 4.75-inch gearcase outboards from major brands

• Suitable for large horsepower bay boats, offshore center consoles, and high-performance pontoons or tri-toons