Quicksilver 9148T85 Complete Lower Unit Gearcase Assembly 2.5L V6 25" 1.87:1

The Quicksilver 9148T85 is a complete OEM lower unit gearcase assembly designed for Mercury V6 2-stroke outboard motors ranging from 135 to 200 horsepower. This genuine Mercury Marine replacement part delivers factory-level precision and reliability for 2.5L engines.

Key Specifications:

• Gear ratio: 1.87:1 for optimal performance and fuel efficiency
• Shaft length: 25 inches (extra long shaft configuration)
• Standard right-hand rotation for most applications
• Compatible with EFI, DFI, and OptiMax fuel systems
• Pinion teeth: 15
• Black anodized finish for corrosion resistance

Features and Benefits:

• Complete assembly includes all internal gears, bearings, seals, and housing components
• OEM quality ensures precise fit and long-lasting durability in harsh marine environments
• Designed specifically for Mercury 2.5L V6 2-stroke engines (135, 150, 175, and 200 HP models)
• Direct replacement for maintaining original equipment performance
• Backed by Mercury Marine engineering and quality standards

This lower unit assembly is engineered to deliver reliable power transfer from the engine to the propeller while withstanding the demanding conditions of saltwater and freshwater use. Quicksilver parts are manufactured by Mercury Marine to exact OEM specifications, ensuring compatibility and performance that matches or exceeds the original equipment installed on your outboard motor.