Lower Unit Seal Kit – Fits Johnson Evinrude 85-140 HP V4 (Replaces 18-2692)

Lower Unit Seal Kit – Fits Johnson Evinrude 85-140 HP V4 (Replaces 18-2692)

This lower unit gearcase seal kit is designed for Johnson and Evinrude 85–140 HP, V4 outboard engines manufactured between 1973 and 1983. It provides all the necessary components to service and reseal your lower unit gearcase, preventing water intrusion and oil leaks.

This kit is a direct replacement for several aftermarket part numbers, including Sierra 18-2692, GLM 86712, and Mallory 9-74113, ensuring a precise fit and reliable performance.

• Installation Type: Direct OEM-spec replacement.
• Engine Compatibility: Fits V4 engine applications.
• Complete Kit: Includes all required gaskets, seals, and O-rings for a full lower unit reseal.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below. For Johnson/Evinrude owners, here’s a guide to help you identify your engine’s serial/model: Johnson/Evinrude Serial Number Guide.

Technical Specifications

Package Contents

• 1 x Shift Housing Gasket (Replaces OEM 0352165, 324670)
• 1 x Solenoid Cover Gasket (Replaces OEM 314876)
• 2 x Oil Seal (Replaces OEM 0330137)
• 2 x Oil Seal (Replaces OEM 0321453)
• 2 x Drain/Fill Plug Washer (Replaces OEM 0311598)
• 4 x O-Ring (Replaces OEM 0317178)
• 1 x O-Ring (Replaces OEM 0307853, 322598)
• 1 x O-Ring (Replaces OEM 0313446)
• 1 x O-Ring (Replaces OEM 0354731, 314728)
• 1 x O-Ring (Replaces OEM 0318372)
• 1 x O-Ring (Replaces OEM 0302493)

Installation Guide

Professional installation is recommended. Always consult your service manual for detailed instructions and torque specifications.

1. Drain Gearcase Oil: Position the outboard vertically and place a drain pan underneath. Remove the lower and upper drain/vent plugs to drain the gear oil completely.
2. Disassemble Lower Unit: Carefully remove the propeller and disassemble the lower unit components, such as the bearing carrier. Keep all parts organized.
3. Remove Old Seals: Extract all old seals, gaskets, and O-rings from their housings. Take care not to scratch or damage the sealing surfaces.
4. Clean and Inspect: Thoroughly clean all mating surfaces, grooves, and bores. Inspect shafts and housings for any scoring, wear, or corrosion that could compromise the new seals.
5. Install New Components: Lightly lubricate the new O-rings and the inner/outer lips of the oil seals with marine grease. Carefully press the new seals and gaskets into place, ensuring they are square and fully seated.
6. Reassemble and Refill: Reassemble the lower unit, ensuring all components are installed in the correct order and orientation. Torque all fasteners to the manufacturer’s specifications. Refill the gearcase with fresh, high-quality marine gear lube until it flows out of the upper vent hole, then reinstall both plugs.
7. Check for Leaks: After refilling, let the unit sit for several hours and check both plugs and the propeller shaft area for any signs of oil leakage before use.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my V4 engine?
A: This kit is designed for Johnson/Evinrude 85–140 HP V4 outboards from 1973–1983. Check the "Compatible Engine Models" table on this page to verify your specific model and year. You can also cross-reference your existing part numbers with those listed under "Part Number Cross-Reference."

Q: What are the signs my lower unit seals are failing?
A: Common indicators include milky or water-contaminated gear oil (check by briefly loosening the lower drain screw), visible oil leaks around the propeller shaft or driveshaft, or an unusual loss of gear lube between changes.

Q: Is this a complete kit for a lower unit reseal?
A: Yes, this kit includes a comprehensive set of gaskets, O-rings, and oil seals for a standard lower unit service. Please review the "Package Contents" list to see a full inventory of all included parts.

Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.