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FLASHSALE26

18-2624 Lower Unit Seal Kit for Mercury 9.9-25HP Outboards | SeaSierra

Sale price $64.50 Regular price $80.00

Worry-free returns

Shop with confidence. If you’re not completely satisfied, eligible items may be returned within the return window, provided they are unused and in original packaging.


If the return is due to our error or a defective item, we’ll make it right.


Please contact us before returning any item.

Delivery and Shipping

Orders are typically processed within 1–2 business days.


U.S. orders usually arrive within 6–15 days, depending on stock location and destination.


International delivery times may vary due to customs processing.


Tracking information will be provided once your order ships.

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

  • SKU: 182624
  • Brand & Manufacturer: SeaSierra
  • Category: Outboard Parts
  • Part Type: Lower Unit Seal Kit
  • Item Weight: 0.1451
  • Package Dimensions:
    • Height: 5.8501
    • Width: 6.8501
    • Depth: 1.0001

Compatibility

This kit is compatible with the following Mercury engines:

  • 9.9HP 4-stroke BigFoot: Serial # G760300 and up
  • 15HP 4-stroke BigFoot: Serial # G760300 and up
  • 15HP Magnum/Marathon 15XD Super 15: ALL
  • 18 HP: Serial # 6443973 and up
  • 20HP: Serial # 6443973 and up
  • 25HP: Serial # 6443973 and up
  • 25HP Lightning 3 cylinder: Serial # E268781 and up

Part Numbers and Replacements

  • Replaces OEM Part Numbers: MERCURY MARINE 26-85090A2
  • GLM Part Number: 87808
  • Mallory Part Number: 9-74205
  • Sears Part Number: 26-85090A2
  • Other Replaced Part Numbers: Chrysler/Force/US Marine 26-85090A2

Kit Components

The package includes the following items:

  1. Oil Seals (Part Numbers: 18-0579, 18-0580, 18-0586)
  2. Gaskets
  3. O-rings (Part Numbers: 18-7100-9, 18-7956-9, 18-7188-9, 18-7419, 18-7135)
  4. Water Tube Seals
  5. Bushings
  6. Drain Screw Gasket (Priced Per Pkg of 2) (Part Numbers: 18-2945-9, 18-2560-9, 18-2562-9)
  7. Impeller Gasket (Priced Per Pkg of 2) (Part Numbers: 18-2560-9, 18-2562-9)
  8. Shift Shaft Boot (Part Number: 18-2742)

Additional Information

  • Unit of Measure: EA
  • Item Status: A
  • Case Packaging: 1
  • Standard Packaging: 1
  • HSC: 401693
  • ECCN: 4016.93.1020

Payment & Security

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