Mercury Prop Shaft Carrier Tool, Replacement for OEM 91-13664

Product Overview

The Mercury Prop Shaft Carrier Tool (AMT0072) is a direct aftermarket replacement for OEM part number 91-13664. This lower unit service tool is designed to engage the propeller shaft bearing carrier on select Mercury and Mariner outboards, allowing technicians and DIY boaters to extract or torque down the bearing carrier without damaging the aluminum lower unit housing.

Important: Depending on the year and model, the bearing carrier on these engines may use left-hand (reverse) threads. Always verify thread direction in your Mercury service manual before applying torque.

Key Features

• Direct replacement for OEM 91-13664
• Steel construction for lower unit bearing carrier service
• Fits select Mercury and Mariner 6hp to 15hp outboards
• Backed by a lifetime warranty

Technical Specifications

• SKU: AMT0072
• Material: Steel
• Weight: 3 lbs
• Replaces OEM: 91-13664
• Thread note: Some models use left-hand threads. Consult your Mercury service manual before use.

Compatibility

For select Mercury and Mariner outboards. Verify your serial number prefix in the official Mercury service manual before purchase.

• 2-stroke and 4-stroke models: Select 6hp, 8hp, 9.9hp, 13.5hp, and 15hp Mercury/Mariner outboards, including Sea Pro, Marathon, and Viking variants within specific serial number ranges

Note: Gearcase designs vary by serial number range. Always reference your Mercury service manual to confirm fitment for your exact engine.

What's Included

• 1x Mercury Prop Shaft Carrier Tool (AMT0072)