Lower Unit Gearcase Seal Kit Replaces 433550 18-2694 87614 for Johnson Evinrude 2-Stroke Outboard Motors 25 HP 40 HP 48 HP 50 HP (1989-2005) Small Housing 2-Cylinder Loopcharged

FASWORX Premium Lower Unit Gearcase Seal Kit Protect your outboard's lower unit from water intrusion and lubrication loss with the FASWORX Gearcase Seal Kit. Engineered specifically for Johnson and Evinrude 2-cylinder loopcharged outboards, this kit leverages advanced material science to deliver exceptional environmental resilience. Whether you are running in freshwater or harsh saltwater, these seals are built to withstand extreme thermal conditions and rigorous marine environments. Scannable Fitment Guide: Designed exclusively for Johnson/Evinrude 2-Stroke, 2-Cylinder Loopcharged models (Mechanical Shift, Thru-Prop Exhaust with Small Housings). 25 HP: 1990 – 1995 (Important: Must have "D" Suffix) 40 HP: 1989 – 2005 48 HP: 1989 – 1996 50 HP: 1989 – 2005 Replaces OEM & Aftermarket Part Numbers: OMC/BRP: 433550, 0433550, 777551, 0777551 Sierra: 18-2694 GLM: 87614 Mallory: 9-74104 Technical Warning: This kit will strictly fit the horsepower and year ranges listed above. It will NOT fit newer models produced after 2005 or large housing lower units. Please confirm your engine model, year, and serial suffix prior to purchase.

• EXACT REPLACEMENT: Directly replaces OEM part numbers 433550, 0433550, 777551, and 0777551. Cross-references with aftermarket numbers Sierra 18-2694, GLM 87614, and Mallory 9-74104.
• PREMIUM MATERIAL SCIENCE: This is a high-quality premium part built to last. Engineered with marine-grade elastomers and corrosion-resistant steel to defend against harsh saltwater, thermal breakdown, and heavy gearcase loads.
• ENVIRONMENTAL RESILIENCE: Designed to provide superior sealing capabilities, keeping critical gearcase lubrication in and completely preventing water intrusion into your outboard's lower unit.
• COMPLETE OVERHAUL KIT: Contains all necessary components for a full gearcase reseal, including oil seals, O-rings, washers, and wear plate gaskets to restore your engine to factory specifications.
• STRICT FITMENT VERIFICATION: Compatible with Johnson/Evinrude 2-stroke, 2-cylinder loopcharged outboards (small housing, mechanical shift). Note: 25 HP models (1990-1995) MUST have a "D" suffix. Also fits 40 HP, 48 HP, and 50 HP (1989-2005).