Your Cart

Sierra 18-0578 Oil Seal for Mercury MerCruiser Marine Engines

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-0578
13 reviews
03/13/2036 1:34 PM
Sale Price

$23.13

In Stock (10)

delivery box

Usually delivered within 2 days

Add To Cart

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 18-0578 is a high-quality oil seal designed for Mercury MerCruiser marine engines. This precision-engineered seal meets or exceeds OEM specifications, providing reliable protection against oil leaks in demanding marine environments.

Key Features:

  • Outside diameter: 3.100 inches
  • Width: 0.500 inches
  • Premium materials designed for marine applications
  • Direct replacement for OEM parts
  • Quality construction ensures long-lasting performance

OEM Cross-References:

  • Mercury MerCruiser: 26-67388
  • Mercury MerCruiser: 26-56868
  • OMC: 913745, 3852805
  • Volvo Penta: 3852805

Sierra marine engine parts are manufactured to strict quality standards, ensuring proper fit and reliable performance. This seal is commonly used as a timing cover seal on GM-based marine engines and is an essential component for maintaining proper engine lubrication and preventing oil loss.

Nice!

Great prices, shipped timely.....seller was much better than expected.

That was quick, thanks for the Amazon option.

Happy with purchase

Thanks Autoplicity you had the best prices I could find, fast shipping, and everything I ordered was exactly what I was looking for! Great Customer Service!

Easy ordering

Shipped very quickly and had the best price I could find!

Pretty nice online store would do business again

Great prices and easy transaction

quick and easy

Easy to order

Same shipping price for larger volume is great. Thank you. www.snpspeed.com

a lot of their parts are the lowest price you can find. they will always be on my list of autopart dealers for every build

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