My Account
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order

Sierra 18-2740 Cylinder Block Gasket for Mercury Marine Outboard Engines

Manufacturer

Picture for manufacturer Sierra

Part Number

18-2740
11 reviews
Sale Price

$18.47

In Stock (6)

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 18-2740 Cylinder Block Gasket is a precision-fit replacement marine gasket designed for Mercury 3-cylinder outboard engines, including the 65 Jet, 75 HP, and 90 HP configurations. This cylinder block gasket provides a reliable, leak-free seal and is engineered to meet or exceed the specifications of the original equipment part it replaces.

Key Features:

  • Direct OEM replacement for Mercury Marine 3-cylinder outboard applications
  • Meets or exceeds original equipment manufacturer (OEM) specifications
  • Manufactured to withstand the demanding conditions of the marine environment
  • Sold as one cylinder block gasket per package
  • Interchangeable with GLM part number 37660

OEM Cross-Reference Part Numbers:

  • Mercury Marine: 27-430051, 27-430052, 27-430053, 27-430055, 27-430056, 27-430057
  • GLM: 37660

Sierra International is a trusted supplier to OEM engine manufacturers and boat builders, delivering high-quality marine engine components that hold up in harsh on-water conditions. The 18-2740 is also a component found in Sierra's 18-4336 Powerhead Gasket Set for Mercury 70–90 HP 3-cylinder outboards.

So far, so good

Quick, easy - had the part - could checkout through Amazon.

smooth

Don't know if it accepted the coupon code but shopping was easy.

Quick turnaround and the best prices on the web!

Great prices, have bought from before and will buy from again.

Nice to have shopping payment options with great prices

fine

Great price

Great prices, great communication, fast shipping.

absolutely astonished at how profesional fast and great of an experience it was with autoplicity they will now be the goto for anything for my car. I got the AEM V2 boy oh boy forget what anyone says about cai not doing anything this thing has been phenominal since I got it!! Happy!!!!!

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