Sierra 18-0465 replaces: Mercury Marine 27-65184
Sierra 18-0465 replaces: OMC 14024393
Sierra 18-0465 replaces: Crusader 31134
Sierra 18-0465 replaces: OMC 352670
Sierra 18-4408 For: 222CID
Sierra 18-0431 replaces: OMC 912471
Sierra 18-0410 replaces: OMC 988162
Sierra 18-0410 replaces: OMC 3854406
Sierra 18-0410 replaces: OMC 986104
Sierra 18-0410 replaces: Volvo 3853912
Sierra 18-0410 replaces: OMC 3853912
Sierra 18-0410 replaces: Volvo 3854406
Sierra 18-0410 replaces: Volvo 3853913
Sierra 18-0410 replaces: Mercury Marine 27-75648
Sierra 18-0410 replaces: OMC 986103
Sierra 18-0410 replaces: OMC 3853913
Sierra 18-1238 replaces: Mercury Marine 27-824326
Sierra 18-1238 replaces: Volvo 3850379
Sierra 18-1238 replaces: OMC 912979
Sierra 18-1238 replaces: OMC 3850379

Sierra Marine engine parts are designed to meet or exceed the performance of the Original Equipment Manufacturer (OEM) part they are intended to replace—and are backed by one of the best warranties in the marine aftermarket parts industry.

Complete engine repairs with quality gaskets from Sierra Marine.

Sierra gaskets are machined to perfectly match engine component mating surfaces, which gives trained technicians and DIY mechanics alike the confidence that the job will be done right the first time. For over 50 years, Sierra has supplied the best aftermarket parts in the marine industry—so boaters can enjoy the best of times on the water.

Key Features

Engineered to meet or exceed manufacturer specifications
Match OEM hole and port patterns for an exact fit
OEM performance at a value price
Often more readily available than OEM gaskets

Find the right part for your application.

For help in selecting the correct part for your engine application or to confirm this is the correct part, please visit the Sierra Engine Parts Selector, where you can search by OEM part number, Sierra part number, Brand, Engine model, Year, Horsepower, or Serial number.

Order with confidence!

The Sierra engine parts we sell are backed by Sierra’s Limited Customer Satisfaction Warranty—one of the best in the business. Sierra warranties their engine parts to be free of defects in workmanship and materials for the useful life of the product. Subject to limitations, if a Sierra product fails to comply with the Warranty, Sierra will repair or replace the defective product free of charge.

Select a Product	18-4408 Intake Manifold Gasket for OMC Sterndrive/Cobra Stern Drives, Intake Manifold Gasket for OMC Sterndrive/Cobra Stern Drives, 18-0465 Intake Manifold Gasket for OMC Sterndrive/Cobra Stern Drives, 18-0410 Intake Manifold Gasket for OMC Sterndrive/Cobra Stern Drives, 18-1238 Intake Manifold Gasket for OMC Sterndrive/Cobra Stern Drives