3302-9031 Aftermarket Mercruiser Carburetor Float | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket MerCruiser Mercarb/Rochester 2-barrel float - Replacement Part Number: 3302-9031

A replacement float for selected two-barrel Mercarb and Rochester marine carburettors. It is commonly used on MerCruiser 3.0L, 4.3L and selected V6/V8 two-barrel carburettor families. Match the original float and carburettor number before installation.

⚙️ Key Features

• Precision replacement carburettor float

• Maintains the specified fuel level in the float bowl

• Operates the needle valve as fuel level rises and falls

• Helps prevent flooding, fuel starvation and unstable mixture

• Direct replacement where the original float number matches

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 3302-9031 → Replaces or cross-references to 1397-5837 on applicable carburettors

OEM / Related Numbers:

• 3302-9031

• 1397-5837

Aftermarket / Verified Equivalents:

• Sierra: 18-7202

• Recmar: REC3302-9031

• GLM: 77230

🚤 Compatibility

Commonly used on:

• MerCruiser Mercarb and Rochester two-barrel marine carburettors

Typically suits:

• Engine models:

• MerCruiser 3.0L

• MerCruiser 4.3L V6

• Selected MerCruiser V6/V8 two-barrel applications using 3302-9031

• Carburettor Type: Mercarb/Rochester marine 2-barrel

• Engine Type: Carburetted marine petrol engine

• Year Range: Determined by the original carburettor assembly number

🔌 Function

The float rises and falls with the fuel level in the carburettor bowl and moves the inlet needle to control fuel entry. Correct float height is essential for stable mixture and reliable operation.

Common signs of failure:

• Fuel flooding or overflow from the carburettor

• Rich running, smoke or spark-plug fouling

• Fuel starvation, lean surge or loss of power

• Hard starting or stalling as bowl level changes

• Float absorbs fuel, sticks, cracks or no longer closes the needle correctly

📦 Condition

• Brand new aftermarket replacement part

• New and unused

• Supplied in manufacturer or equivalent protective packaging