Aftermarket Mercury 6-15HP Gearcase Seal Kit 26-41365A3

Aftermarket lower-unit seal kit for selected Mercury, Mariner and Force 6–15 hp gearcases using Mercury 26-41365A3. Replacement drain/fill screw seals corresponding to 26-830749 are also included as shown.

Key Features

• Aftermarket gearcase reseal kit
• Includes the oil seals and service components shown
• Includes replacement drain/fill screw seals
• Replaces Mercury 26-41365A3
• Suitable for compatible lower-unit overhaul work

Technical Specs

• Product type: lower-unit seal kit
• Application: selected 6–15 hp gearcases
• Drain-seal reference: 26-830749 / 8M0204693
• Condition: new aftermarket replacement
• Contents: confirm every component against the product photographs before installation

Compatibility / Fitment Guide

Commonly specified for selected Mercury/Mariner 6, 8, 9.9, 10 and 15 hp two-stroke gearcases and certain 8, 9.9 and 15 hp four-stroke 232 cc applications using 26-41365A3. Force applications may also exist. Serial range and standard versus BigFoot/high-thrust gearcase matter, so confirm the complete OEM seal-kit number in the parts diagram.

Part Number Cross Reference

• Mercury: 26-41365A3
• Earlier Mercury kit: 26-41365A2 / 26-41365A1
• Sierra: 18-2697-1
• Mercury drain seal: 26-830749
• Superseding drain seal: 26-8M0204693 / 8M0204693
• Sierra drain seal: 18-2430

Frequently Asked Questions

Is this a genuine Mercury or Sierra kit?
No. It is an aftermarket replacement.

Will it fit every Mercury F9.9?
No. Confirm the engine serial number, gearcase type and OEM kit number.

Are drain/fill screw seals included?
Yes, replacement seals are included as shown in the product photographs.

What should be done after resealing?
The gearcase should be correctly assembled, pressure/vacuum tested and filled with the specified lubricant by a competent marine technician.