Sierra 18-7370N MerCruiser 2.5L/3.0L Carburetor

Sierra 18-7370N MerCruiser 2.5L/3.0L Carburetor

• Flow tested throughout the entire throttle range
• Fuel mixture and idle settings are preset, only minor idle and choke adjustments are needed
• Includes base gasket
• Fits MerCruiser Marine 120/2.5L & 140/3.0L

Interchangeable With:

MerCruiser Stern Drive

• 3310-860070A2
• 3310-806077A2
• 3310-806078A2
• 1389-9562A1
• 1389-9350A2
• 1389-8490A2
• 1389-815396A2

Frequently Asked Questions

What is the Sierra 18-7370N MerCruiser 2.5L/3.0L Carburetor used for?

The Sierra 18-7370N is a replacement carburetor for MerCruiser Marine 120/2.5L and 140/3.0L applications. It is flow tested throughout the entire throttle range, with fuel mixture and idle settings preset from the manufacturer. Only minor idle and choke adjustments are needed according to the supplied product description.

What MerCruiser engines does the Sierra 18-7370N carburetor fit?

The Sierra 18-7370N carburetor fits MerCruiser Marine 120/2.5L and 140/3.0L applications. The supplied description does not provide specific model years or serial-number ranges, so verify your engine application before purchasing.

Does the Sierra 18-7370N carburetor come with a gasket?

Yes. The Sierra 18-7370N MerCruiser carburetor includes a base gasket. The supplied product description does not list any other included components, so do not assume additional gaskets, hardware, or accessories are included.

Are the fuel mixture and idle settings preset on the Sierra 18-7370N carburetor?

Yes. The fuel mixture and idle settings are preset on the Sierra 18-7370N carburetor. The description states that only minor idle and choke adjustments are needed. Follow the applicable equipment instructions for any required adjustments during installation.

What MerCruiser part numbers are interchangeable with the Sierra 18-7370N carburetor?

The Sierra 18-7370N is listed as interchangeable with MerCruiser Stern Drive part numbers 3310-860070A2, 3310-806077A2, 3310-806078A2, 1389-9562A1, 1389-9350A2, 1389-8490A2, and 1389-815396A2. Verify the applicable part number and engine application before installation.

Is the Sierra 18-7370N carburetor flow tested?

Yes. The Sierra 18-7370N carburetor is flow tested throughout the entire throttle range. The product description also states that its fuel mixture and idle settings are preset, while minor idle and choke adjustments may be needed for the application.

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