Mercury-MerCruiser 27-52457-2 Rochester & Weber 4BBL Carburetor Base Gasket

Mercury-MerCruiser 27-52457-2 Rochester & Weber 4BBL Carburetor Base Gasket

The Mercury-MerCruiser 27-52457-2 Rochester & Weber 4BBL Carburetor Base Gasket is a replacement gasket designed for compatible marine carburetor applications. This gasket helps create a proper seal between the carburetor and mounting surface to support correct engine performance and prevent unwanted air leaks.

A worn, damaged, or compressed carburetor base gasket can cause poor sealing, vacuum leaks, rough running, or performance issues. Replacing the gasket during carburetor removal, rebuild, or service helps ensure the carburetor is properly sealed when reinstalled.

Product Features:

• Replacement carburetor base gasket
• Designed for compatible Rochester and Weber 4BBL carburetor applications
• Helps seal the carburetor to the mounting surface
• Recommended when removing, rebuilding, or servicing the carburetor
• Helps prevent air leaks that can affect idle quality and engine performance

Product Details:

• Brand: Mercury / MerCruiser
• Manufacturer Part Number: 27-52457-2
• Part Type: Carburetor Base Gasket
• Carburetor Type: Rochester & Weber 4BBL

Replaces:

• Felpro 17842, 17844, 17845
• GLM 30380
• Mallory 9-61004
• OMC 0508593
• Redline RL2848
• Sierra 18-2848

Fitment Note: Mercury and MerCruiser carburetor parts should be verified by engine serial number, carburetor model, parts diagram, or existing part number whenever possible. Please confirm this carburetor base gasket is correct for your application before purchasing.

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