3303-853720A1 Outboard Carbs Carburetor for Mercury Mariner Marine Outboard
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Compatible Models
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Carburetor for Mercury Mariner
This outboard carburetor for Mercury Mariner marine engines meters fuel and air for reliable operation and is identified by OEM cross-reference number 3303-853720A1.
Overview
The 3303-853720A1 outboard carburetor for Mercury Mariner marine outboards is a replacement fuel mixer designed to keep the engine running smoothly. This carburetor works for Mercury and Mariner outboard motors in marine applications. It replaces a worn original unit to restore starting and throttle response.
Built For Performance
- OEM cross-reference number 3303-853720A1
- Direct replacement for Mercury Mariner outboard carburetors
- Fuel passages sized for marine outboard operation
- Aluminum construction for corrosion resistance
- Mounting flange designed to match factory intake spacing
On-The-Job Use
- Used to replace a failed carburetor for Mercury marine outboards
- Common for Mariner outboard motors during fuel system overhaul
- Supports repair of rough idle, stalling, and weak acceleration in marine engines
- Used during service work for Mercury and Mariner outboards
Specs At A Glance
| Part Number(s) | 3303-853720A1, 853720A1 |
| Brand Fitment | Mercury, Mariner |
| Application | Marine outboard |
| Type | Carburetor |
Good To Know
Q: Is this carburetor for Mercury Mariner outboards? A: This carburetor is intended for Mercury Mariner marine outboard applications. Confirm the engine serial number before purchasing.
Q: Does the 3303-853720A1 replace the original carburetor? A: The 3303-853720A1 is a replacement carburetor reference for Mercury Mariner outboards. Compare the mounting flange and casting with the original unit to verify fit.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.