Mercarb Marine Rebuild Kit - (Early style) 4034B
Our Part # 4034B

Premium quality Mercarb marine rebuild kits. Updated for use with today's common pump gasoline that contains alcohol. Quality OEM style needle and seat assembly, no generic "all in one" seat assembly in our kits. Most complete kit available for the Mercarb carburetor.
Fits early style Mercarb with Straight accelerator pump stem.
Made in the USA.

Replaces Mercury Marine repair kit #3302-804845

This kit contains the following parts:
Flange gasket
Throttle Body gasket
Bowl cover gasket
Venturi cluster gasket
Air cleaner gasket
Fuel Filter
Power valve assembly
Accelerator pump plunger, straight stem (alcohol resistant)
Accelerator pump return spring
Check balls
Inlet needle and seat assembly and gasket
Fuel inlet gasket
Float height setting tool
Idle Mixture Screw
Assortment of clips
Illustrated instructions included

Not sure which rebuild kit is correct for your carburetor?
Use the "Search for your Rebuild Kit" search on the Mercarb Rebuild Kits main page, just enter in your Mercarb carburetor number.

Picture Information:
Picture showing rebuild kit components is an accurate representation of the style of gaskets you will receive. However, there may be slight differences in materials due to parts availability. These differences will not affect performance of the rebuild kit.

Mercarb Marine Applications:
Mercury Marine (4,6,8)
Replaces Mercruiser kit # 3302-804845

Mercarb Marine carburetors serviced with this rebuild kit:
1389-8488A2, 1389-8489A5, 1389-8490A2, 1389-9350A2, 3304-9353A2

Not sure where to find your carburetor number? Click here to read article on Carburetor Number Identification. 

Mercarb Marine Carburetor Rebuild Kit Instructions, Specifications, & How to Information: