Mercury 3.0L V6 1.75:1 Counter-Rotation XX-Long Complete Gearcase 880686A53

Mercury Complete Gearcase 880686A53 is a genuine OEM replacement gearcase for compatible 3.0L V6 Mercury OptiMax and Pro XS outboards. This configuration features a 1.75:1 gear ratio, counter-rotation, and XX-Long 30-inch shaft length. Mercury's repower guide identifies it for 3.0L OptiMax and Pro XS applications.

Configuration:

• 3.0L V6 OptiMax / Pro XS
• 1.75:1 gear ratio
• Counter-rotation
• XX-Long 30-inch shaft length
• Black finish
• 12-tooth pinion
• Complete gearcase assembly

This complete assembly includes the gearcase housing and internal gearcase components as an assembled replacement unit. It is used on compatible 3.0L OptiMax and Pro XS outboards requiring the 30-inch counter-rotation configuration.

Supersedes/Replaces: 880686T39

To Confirm Compatibility: Contact our team with your engine serial number at (727) 596-5929 before ordering.