Sierra 18-0539 Exhaust Leg Rubber Seal for Mercury Outboard

Manufacturer

Sierra

Part Number

118-0539
04/21/2036 2:43 PM
Sale Price

$7.78

1 left at this price

delivery box

Usually delivered within 2 days

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 18-0539 Exhaust Leg Rubber Seal is a high-quality replacement gasket designed for Mercury outboard engines. This critical seal prevents exhaust leaks and water intrusion at the exhaust leg connection, ensuring reliable engine performance and preventing corrosion damage.

Key Features:

  • Direct OEM replacement for Mercury Marine part number 37721
  • Precision-engineered rubber construction for durability in harsh marine environments
  • Meets or exceeds original equipment specifications
  • Designed specifically for Mercury outboard applications
  • Provides secure, leak-free seal at exhaust leg interface

Interchangeable With:

  • Mercury 37721, 37721001
  • GLM 85630

Sierra Marine, a Dometic brand with nearly 60 years of experience, manufactures premium aftermarket marine engine parts that meet OEM standards. Each Sierra product undergoes rigorous testing to ensure reliable performance and long service life in demanding marine conditions.

Anxiously awaiting my order

Easy website and great price for a great product.

Thank you Boat plicity. Everything turned out as Descrived. And looking forward to Reorder From You Soon

Everything was great and smooth. No issues. Great job. Everything was easygoing and quick shipping.

Shipping was unbelievably fast. Thanks very much

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