New Mercury 135-150 HP V6 Outboard Lower Unit DFI – 2:1 Gear Ratio (1979–2014) – New / Re-manufactured

New Mercury 135-150 HP V6 Outboard Lower Unit DFI – 2:1 Gear Ratio (1979–2014) – New / Re-manufactured

This Mercury 135-150 HP V6 2-stroke and DFI outboard lower unit is a durable, precision-engineered replacement designed to fit models from 1979 to 2014. Featuring a 2:1 gear ratio, it supports both L (Long Shaft) and XL (Extra Long Shaft) configurations—including counter rotation (C/R) on select XL shafts. Available as new or remanufactured, all units come with a 1-year warranty for peace of mind.

Key Features

• Compatible with Mercury V6 135 HP, 150 HP, and 135 DFI 2-stroke outboards
• Extended compatibility for models from 1979 to 2014
• 2:1 OEM gear ratio for smooth power delivery
• Fits L (Long) and XL (Extra Long) shafts with counter rotation on some XL
• Available in new and remanufactured conditions
• Comes with 1-year manufacturer warranty

Specifications — Features to Details

Feature	Details
Product Type	New Lower Unit / Re-manufactured Lower Unit
Engine Compatibility	Mercury 135 HP, 150 HP, and 135 DFI V6
Year Range	1979 – 2014
Gear Ratio	2:1
Shaft Lengths	L (Long Shaft), XL (Extra Long Shaft)
Fits Models	135-150 HP Mercury V6 2-Stroke & 135 DFI Outboards
Counter Rotation (C/R)	Available on select XL shaft models
Warranty	1-Year Warranty Included

Why Choose This Product?

Our Mercury 135-150 HP V6 lower units combine durability, performance, and reliable OEM quality. Whether new or remanufactured, each unit is tested to ensure optimal power transfer and smooth operation. Supported shaft lengths and counter rotation options make it a perfect fit for a wide range of Mercury outboards.

Need other Mercury lower units?

Browse all Mercury Lower Units

Official reference:

Mercury Marine

Frequently Asked Questions