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26-85090A2 18-2624 Gearcase Seal Kit for Mercury Mariner Force 8-25HP Lower Unit

26-85090A2 18-2624 Gearcase Seal Kit for Mercury Mariner Force 8-25HP Lower Unit

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$116.59
Sale price  $116.59 Regular price 

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This Gearcase Seal Kit is a seal kit compatible with Mercury Mariner Force 8-25HP lower units and matches OEM Part# 26-85090A2 and 18-2624.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.

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Product Overview

This Gearcase Seal Kit replaces worn seals in Mercury, Mariner, and Force outboard lower units from 8 to 25 horsepower. It prevents gear oil leaks and water intrusion, extending the life of your lower unit. This kit is a direct replacement for OEM part numbers 26-85090A2 and 18-2624.

Key Features & Performance

  • Includes all seals needed for a complete lower unit gearcase overhaul
  • Manufactured from high-quality rubber and nitrile compounds for oil and water resistance
  • Matches OEM specifications for precise fitment
  • Replaces both drive shaft and propeller shaft seals
  • Helps maintain proper gearcase pressure and lubrication
  • Cost-effective alternative to buying individual seals

Fitment & Compatibility

  • Mercury outboards 8HP - 25HP (select models)
  • Mariner outboards 8HP - 25HP
  • Force outboards 8HP - 25HP
  • Compatible with OEM part numbers 26-85090A2 and 18-2624

Common Uses

  • Rebuilding lower unit gearcases on small Mercury/Mariner/Force outboards
  • Replacing leaking seals after gearcase removal or water intrusion
  • Performing routine maintenance during winterization or after storage

Technical Specifications

  • Part Number(s): 26-85090A2, 18-2624
  • Brand: Aftermarket (OEM replacement)
  • Material: Rubber, Nitrile

Frequently Asked Questions

Q: Will this kit fit a 15HP Mercury 2-stroke from 1990? A: This kit is designed for Mercury, Mariner, and Force outboards 8-25HP; check your lower unit model and compare with OEM part numbers 26-85090A2 / 18-2624 for exact compatibility.

Q: Are installation instructions included? A: The kit does not include instructions, but standard lower unit seal replacement procedures apply. We recommend a service manual for your specific engine.

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

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