My Account
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order

Sierra 18-2023 Oil Seal Replacement for OMC 313282 Marine Outboard

Manufacturer

Picture for manufacturer Sierra

Part Number

18-2023
14 reviews
Sale Price

$19.35

In Stock (10+)

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-2023 is a precision marine oil seal designed as a direct replacement for OMC OEM part number 313282 (0313282). Engineered to meet or exceed original equipment specifications, this oil seal is an essential component in lower unit and gearcase assemblies used in OMC, Johnson, and Evinrude outboard engines.

Key Specifications:

  • Inner Diameter (I.D.): 0.554 in.
  • Outer Diameter (O.D.): 1.062 in.
  • Height / Width: 0.312 in.
  • OEM Interchange: OMC 313282 / 0313282
  • UPC: 030999309693

Features & Benefits:

  • Direct OEM replacement — no modification required
  • Manufactured by Sierra International, a trusted leader in marine replacement parts
  • Helps prevent oil leakage from lower unit and gearcase assemblies
  • Ideal for lower unit rebuilds and routine maintenance

Sierra International's 18-2023 oil seal is a reliable, cost-effective solution for restoring proper sealing performance to OMC-based outboard powerheads and lower units. Always replace oil seals during lower unit disassembly to ensure a leak-free rebuild.

Surprisingly quick and easy.

Great found everything I need

Perfect!

Cheapest price online. Great products.. really fast shipping.. no hassle

Smooth...

Great price, good e-mail communication and fast shipping. Positive experience with Autoplicity so far.

So far G2G.

Wonderful....purchased a set of weight load scales and couldn't find them any cheaper that with Autoplicity....and we received them very timely. Ordered on 1/5 and received on 1/9.

Easy to check out with Amazon!

great

Grate

great price but the shipping a bit high

So far, so good...

No problems ordering a leak down tester from Autoplicity which had the lowest price and reasonable shipping charges. The item was well packaged and I would buy from them again.

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy