18-2694 433550 Lower Unit Gearcase Seal Kit for Johnson Evinrude 25 40 48 50 HP

Product Overview

This lower unit gearcase seal kit provides all necessary seals to prevent water intrusion and lubricant leaks in compatible Johnson Evinrude outboard motors. Designed for 25, 40, 48, and 50 HP models, it ensures reliable performance and extends the life of your gearcase.

Key Features & Performance

• Includes all seals required for a complete lower unit rebuild
• Matches OEM part numbers 18-2694 and 433550 for exact fit
• High-quality rubber compounds resist corrosion and wear
• Easy to install with basic hand tools following factory service manual
• Restores factory sealing performance

Fitment & Compatibility

• Fits Johnson Evinrude outboard motors 25 HP
• Fits Johnson Evinrude outboard motors 40 HP
• Fits Johnson Evinrude outboard motors 48 HP
• Fits Johnson Evinrude outboard motors 50 HP

Common Uses

• Replacing worn seals during lower unit overhaul
• Preventing gearcase oil leakage
• Maintaining water pump integrity on outboard motors

Technical Specifications

• Part Number(s): 18-2694, 433550
• Product Type: Lower Unit Gearcase Seal Kit

Frequently Asked Questions

Q: Does this seal kit include the shift shaft seal? A: Yes, the kit includes all seals needed for the lower unit gearcase, including the shift shaft seal and the O-rings.

Q: Is this kit compatible with 2-stroke and 4-stroke models? A: This kit is designed for Johnson Evinrude 2-stroke outboards of the specified horsepower ranges.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.