Sierra NEW Lower Unit Seal Kit 18-2680 Prop Shaft NOS Rep: 398453 439074 0810

Sierra Gear Housing Lower Unit Seal Kit — Part Number 18-2680
Brand: Sierra | Condition: New Old Stock (NOS)

You are purchasing a new Sierra Gear Housing Lower Unit Seal Kit, part number 18-2680, for Johnson and Evinrude outboard motors. This kit is designed for use on gearcases with a 1.062" O.D. propeller shaft seal. This is a genuine Sierra branded part — never installed, never used.

Kit Contents:

• (1) Oil Seal, O.D. 1.062" — 18-2023 (OE 313282)
• (1) Oil Seal, O.D. 0.875" — 18-2035 (OE 327031)
• (1) Bearing Housing Gasket — 18-2891 (OE 303339)
• (2) Washers — 18-4248 (OE 311598)
• (1) O-Ring — 18-7100 (OE 301877)
• (1) O-Ring — 18-7117 (OE 303360)
• (1) O-Ring — 18-7120 (OE 307853)
• (1) Spaghetti Seal — 18-2534 (OE 309044)

Condition Details:

This is a New Old Stock (NOS) part. The seal kit itself is in new, uninstalled condition. As is common with NOS inventory, the original packaging may show signs of age, including shelf wear, dust, or minor cosmetic blemishes on the bag or box. The part is new and fully functional.

Part Number / Supersede Information:

Primary Part Number: 18-2680

This kit is designed for use on gearcases with a 1.062" O.D. propeller shaft seal. We recommend verifying fitment using your motor's model and serial number or by comparing OEM part numbers before ordering.

Fitment:

• Fits: Johnson / Evinrude outboard motors with 1.062" O.D. propeller shaft seal gearcase
• Please verify fitment using your motor's model and serial number before ordering

Why Choose Quality Replacement Parts?

Sierra parts are engineered to meet or exceed OEM specifications, providing reliable performance and a precise fit for your Johnson or Evinrude outboard. Every Sierra part is purpose-built for harsh marine environments and backed by Sierra's limited lifetime warranty covering defects in workmanship and materials.

Returns:

We proudly offer hassle-free returns. If you are not completely satisfied with your purchase for any reason, simply open a return request through eBay within 30 days of purchase and we will take care of you promptly.

Thank you for choosing QBS Parts Inc! We truly appreciate your business. If you have any issues whatsoever with your order, please give us the opportunity to resolve it before leaving feedback — we are committed to making every transaction a great experience. Please verify fitment using your motor's model and serial number before purchasing. Feel free to message us with any questions — we're here to help!

QBS Parts, Inc. — Gardena, CA