Water Tube Grommet for Johnson Evinrude Sierra GLM - 302497, 18-3329, 86492

Water Tube Grommet for Johnson, Evinrude, Sierra, and GLM

This water tube grommet is a direct replacement for outboard water tube seals on select Johnson, Evinrude, Sierra, and GLM engines, ensuring a leak-free connection for engine cooling. OEM cross-reference numbers 302497, 18-3329, and 86492 confirm compatibility.

Overview

This water tube grommet replaces worn or damaged seals on outboard motors, preventing water leakage and maintaining proper cooling flow. Designed for Johnson, Evinrude, Sierra, and GLM engines, it is a critical component for engine longevity. The grommet seals the water tube connection, keeping the engine running at correct temperatures.

Built For Performance

• Direct replacement for OEM parts 302497, 18-3329, and 86492
• Constructed from durable rubber for long-lasting seal
• Resists heat and vibration in marine environments
• Prevents water loss and potential overheating
• Engineered for precise fitment on compatible outboard models

On-The-Job Use

• Replacing worn water tube grommets during outboard maintenance
• Restoring proper cooling on Johnson and Evinrude outboard motors
• Installing on GLM and Sierra replacement water tube assemblies
• Used by marine mechanics for routine engine service

Specs At A Glance

Good To Know

Q: Will this water tube grommet fit my outboard? A: Check your engine’s serial number against the cross-reference numbers 302497, 18-3329, and 86492 to confirm fitment. These numbers correspond to common Johnson, Evinrude, Sierra, and GLM models.

Q: How do I install this grommet? A: Remove the old grommet and clean the mounting area, then press the new grommet into place. Ensure the water tube seats fully for a secure seal.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.