Mercury Lower unit V6 150-200HP 1.87:1 Gear Ratio Lower Unit years 1979-2018

These are brand new Mercury or remanufactured Mercury outboard lower units (gearcases) for Mercury V6 engines in the 150 DFI, 150hp, 175hp, XR6, and 200hp range from 1979 to 2018 (including 2.0L, 2.4L, and 2.5L models with 1.87:1 gear ratio). Select your preference (new or reman) at checkout or via inquiry. Reman units are rebuilt with all new bearings, seals, gears, and updated parts for often-better-than-OEM reliability.

Key Features and Specs:

• Gear Ratio: 1.87:1 (standard for these V6 models).
• Propeller Shaft: 15 splines (standard across this range for prop compatibility).
• Water Pump: Included (not pre-installed—install during setup, add gear oil, and the unit is ready).
• Drive Shaft: Not included—reuse your existing drive shaft (snaps in on these models). Contact us if a replacement is needed.
• Warranty: Comes with a 2-year manufacturer warranty. A 12-month extended warranty is available for an additional $438.
• Core Policy: No core charge required, and no core value/credit if an old unit is returned maximum for this lower is $100.

Important Selection Tip: To match the correct gearcase (shaft length, rotation—standard or counter-rotating—exact model like XR6 or DFI, and compatibility), please provide the serial number and model number from your motor's transom bracket. This is essential for these classic Mercury V6 lower units.

Availability: These units are normally not stocked in-store and ship directly from the manufacturer. Contact us for current pricing, stock, lead times, new vs. reman options, and any add-ons (extended warranty, drive shaft, etc.).

Available Configurations and Shaft Lengths (Contact us for exact pricing, availability, and upcharges):

If you have questions, need help verifying fitment, or want quotes on related parts (e.g., drive shaft, gear lube kit), email us at jhawknz@gmail.com or call 615-691-1433—we're happy to assist with your purchase!

About Us: Hawkeye Marine, LLC—located in La Vergne, Tennessee—is your trusted source for high-quality marine parts. As a dealer for industry leaders like OBR Parts and Marine (established 1982), we deliver top-tier new and remanufactured outboard components with expert technical support, prompt shipping, and nationwide service for marine dealers and boaters alike.