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Flash Sale now on!

FLASHSALE26

18-8337 Lower Unit Seal Kit for Johnson/Evinrude, Mallory, and Suzuki Outboards | Sea Sierra

Sale price $25.00 Regular price $35.00

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:

  • Part Number: 18-8337
  • SKU: 188337
  • Type: Seal Kits - Lower Unit Seal Kit

Part Numbers and Replacements:

  • Interchangeable with the following:
    • Evinrude/Johnson Outboard: 5031456
    • Mallory: 9-74111
    • Suzuki Outboard: 25700-88L00, 25700-94400
    • Sierra: 18-8337

Kit Components:

Contains:

  • Water Pump Gasket: 18-0461
  • O-Ring: 18-7151, 18-7413, 18-7180
  • Drain Plug Gasket: 18-8331
  • Shift Shaft Seal: 18-8334
  • Oil Seal: 18-8345

Compatibility:

Fits the Following Outboard Applications:

  • Johnson/Evinrude: 5031456
  • Mallory: 9-74111
  • Suzuki: 25700-88L00, 25700-94400

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