Sierra Carburetor Mounting Gasket 18-0994-9 for Rochester 7044185 Carburetors, Pack of 2

The Sierra 18-0994-9 Carburetor Mounting Gasket seals the connection between a Rochester 7044185 carburetor and its intake manifold, restoring a proper seal that prevents vacuum leaks, rough idle, and air/fuel mixture problems caused by a worn or hardened original gasket. Each package contains 2 gaskets, so you have a spare on hand or enough to service more than one unit in the same job. As a direct-fit replacement engineered to Sierra's quality standards, it meets or exceeds the quality of the original equipment gasket it replaces, giving installers confidence that fit and sealing performance will match or exceed factory expectations.

This gasket is designed as a maintenance and rebuild component for marine carburetor service, where a proper seal at the carburetor base is critical to consistent engine performance on the water. It is commonly replaced any time the carburetor is removed for cleaning, rebuilding, or float service, since reusing an old gasket risks an incomplete seal. For a full carburetor rebuild rather than a gasket-only replacement, Sierra also offers carb kit 18-7075 as a more complete service option, and a companion gasket, 18-0434, is used alongside this gasket on the Rochester 7044185 carburetor.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-0994-9
• Product Type: Carburetor Mounting Gasket
• Pack Quantity: 2 gaskets
• Weight: 0.09 pounds
• UPC: 808282162269
• Compatible Carburetor: Rochester 7044185
• Related Rebuild Kit: Sierra 18-7075
• Companion Gasket: Sierra 18-0434

Fitment

• Rochester 7044185 carburetor
• Used together with companion gasket 18-0434 on this carburetor
• Sierra carb kit 18-7075 available as a full rebuild alternative

Replaces (OEM)

• Barr MC472770143
• GLM 32180
• Mallory 9-61011
• Mercruiser 27-8079821
• Mercruiser 27-701431
• Mercruiser 27-807982
• Mercruiser 27-70143
• Mercruiser 27-80798B
• Mercruiser 27-70143B1

Frequently Asked Questions

What carburetor does the Sierra 18-0994-9 gasket fit? The Sierra 18-0994-9 mounting gasket is designed for the Rochester 7044185 carburetor.

How many gaskets come in a package of 18-0994-9? Each package of the Sierra 18-0994-9 carburetor mounting gasket contains 2 gaskets.

Is the Sierra 18-0994-9 gasket interchangeable with Mercruiser part numbers? Yes, the 18-0994-9 gasket is interchangeable with Mercruiser 27-8079821, 27-701431, 27-807982, 27-70143, 27-80798B, and 27-70143B1.

Does 18-0994-9 cross-reference to any other aftermarket brands? The Sierra 18-0994-9 gasket also cross-references to Barr MC472770143, GLM 32180, and Mallory 9-61011.

How much does the 18-0994-9 gasket set weigh? The Sierra 18-0994-9 carburetor mounting gasket, packaged as a set of 2, weighs 0.09 pounds.

Do I need a second gasket for the Rochester 7044185 carburetor? Yes, the Rochester 7044185 carburetor uses gasket 18-0994 together with a companion gasket, Sierra 18-0434, so both may be needed for a complete reseal.

Is a full rebuild kit available instead of just the gasket? Sierra offers carb kit 18-7075 as a replacement option if you need a full carburetor rebuild kit rather than the 18-0994-9 mounting gasket alone.

Does the Sierra 18-0994-9 gasket meet OEM quality standards? Sierra states that the 18-0994-9 carburetor mounting gasket meets or exceeds the quality of the original equipment part it replaces.

When should I replace the carburetor mounting gasket? The 18-0994-9 gasket should be replaced any time the Rochester 7044185 carburetor is removed for cleaning, rebuilding, or service, since a reused gasket may not seal properly.

What is the UPC for the Sierra 18-0994-9 gasket? The UPC for the Sierra 18-0994-9 carburetor mounting gasket, 2-pack, is 808282162269.