YBATUWU Complete Carburetor Kit for Mercruiser Marine 2

This kit gathers all the wear items and critical components you need to service common Mercruiser 2-barrel carburetors used across a wide range of Mercury Marine part numbers. Whether you are maintaining an older boat or refreshing a carburetor during a seasonal overhaul, the YBATUWU kit is built to match original fitment for many factory applications. The set replaces gaskets, seals, needles, seats and the float so you can perform a comprehensive rebuild without hunting for individual parts.

What exactly is included in this complete carburetor kit?

The kit combines the commonly replaced internal components and external gaskets required for a full 2-barrel carburetor rebuild. Parts correspond to the illustrations provided by the manufacturer so you can check each piece during assembly.

• Float (3302-804844002 / 19032C) and float-related hardware
• Main gaskets, choke gaskets and manifold seals
• Needles, seats, small o-rings and linkages
• All other parts shown in the product image for a full replace

How does this kit fit my Mercruiser engine models?

YBATUWU lists compatibility with popular Mercruiser 2-barrel applications: 3.0L, 4.3L, 5.0L and 5.7L engines. It also matches many Mercury Marine OEM part numbers, making it suitable for direct repair or as a service kit for factory carburetors.

• Designed for Mercruiser 2-barrel carburetors on 3.0L–5.7L powerheads
• Notes compatibility with many Mercury Marine reference numbers for cross-checking
• Fitment intended for common recreational and workboat installations

Can I perform the rebuild myself, and what tools will I need?

The kit is made for do-it-yourself mechanics comfortable with basic carburetor work; the components are labeled to simplify reassembly. You’ll need standard hand tools and some patience for small parts—no specialty equipment is required beyond routine workshop supplies.

• Basic set of screwdrivers, pliers and small sockets
• Carburetor cleaner, lint-free cloths and a parts tray for organization
• Optional: small torque wrench and a rebuild manual or diagram for reference

What should I expect after installing the kit?

After a correct rebuild, you can expect restored sealing, more consistent float operation and elimination of common fuel leaks associated with worn gaskets and seals. This kit addresses the most frequently failing items to help return the carburetor to reliable operation.

• Improved seat and needle sealing to reduce flooding and leaks
• Refreshed gaskets to prevent vacuum and manifold sealing issues
• New float hardware for accurate fuel level control in the bowl

Who this is for: This YBATUWU Complete Carburetor Kit is aimed at boat owners, marine mechanics and maintenance shops who need a single-purchase solution to rebuild Mercruiser 2-barrel carburetors on 3.0L through 5.7L engines. It’s especially helpful for seasonal tune-ups, refurbishing older equipment, or bringing a carburetor back to factory-like condition without sourcing multiple separate parts. If you’re replacing worn internal components, addressing fuel leaks, or restoring proper float function, this kit supplies the necessary items to complete the job cleanly and efficiently.