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Mercury Marine V8 5.44″ Lower Unit – 1.75 Gear Ratio (25″ Shaft)
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Mercury Marine V8 5.44″ Lower Unit – 1.75 Gear Ratio (25″ Shaft)

$6,500.00
In Stock

This genuine Mercury 5.44" gearcase is engineered specifically for high-horsepower V8 applications. Designed for durability and hydrodynamic efficiency, this lower unit provides the heavy-duty performance required for larger offshore and center console boats.

  • Heavy-Duty Construction: Built to handle the high torque of Mercury V8 outboards.

  • Hydrodynamic Design: The 5.44" diameter torpedo reduces drag while maintaining superior cooling water intake.

  • Precision Gearing: Features a 1.75:1 gear ratio for optimal acceleration and top-speed balance.

  • Condition: Professional silver finish, ready for installation.

Product Specifications

Feature Details
Compatibility Mercury V8 Outboard Engines
Gearcase Diameter 5.44"
Gear Ratio 1.75:1
Shaft Length 25" (Extra Long)
Rotation Standard (Right Hand)
Color/Finish Phantom Black / Silver Primer
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10%
2025 Mercury 150 Pro XS
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2025 Mercury 150 Pro XS

Original price was: $2,000.00.Current price is: $1,800.00.
In Stock

Brand New OEM Mercury 150 Pro XS Gearbox. Removed from a 2025 motor for a counter-rotation swap. Zero hours, 2.08:1 gear ratio, and 20" shaft. A perfect, unused factory replacement for your high-performance outboard.

Attribute Value
Brand Mercury OEM
Condition New Take-Off (Unused)
Gear Ratio 2.08:1
Shaft Length 20”
Rotation Standard (RH)
Driveshaft Spline 12
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