For Mercury & Mariner 25 30HP Outboard Motor 853720A8 Carburetor 853720A1

Carburetor for Mercury & Mariner

This carburetor for Mercury & Mariner 25 30HP outboard motors meters fuel and air into the combustion chamber, serving as an OEM cross-reference for 853720A8 and 853720A1.

Overview

The carburetor for Mercury & Mariner 25 30HP outboard motors is a direct replacement fuel delivery component built for dependable engine operation. This carburetor manages the air-fuel mixture needed for smooth idle and steady throttle response. It is intended for Mercury and Mariner outboards in the 25 and 30HP class.

Built For Performance

• OEM cross-reference numbers 853720A8 and 853720A1
• Direct replacement design for the original outboard carburetor
• Fuel passages sized for 25 and 30HP Mercury Mariner engines
• Flange configuration matches factory intake spacing
• Jet and needle settings configured for marine outboard use

Fits These Machines

• for Mercury 25HP outboard motor
• for Mercury 30HP outboard motor
• for Mariner 25HP outboard motor
• for Mariner 30HP outboard motor

On-The-Job Use

• Replaces a worn or clogged carburetor for Mercury 25HP outboard motors
• Restores fuel delivery for Mariner 30HP motors during routine service
• Used in marine repair shops when an original 853720A8 carburetor fails
• Suitable for outboard maintenance requiring replacement of 853720A1 carburetors

Specs At A Glance

Good To Know

Q: Will this carburetor work for a Mercury 25HP outboard? A: This carburetor is designed as a replacement for Mercury 25 and 30HP outboard motors using the 853720A8 or 853720A1 part numbers. Confirm serial number range before ordering.

Q: Is the 853720A8 the same as 853720A1? A: The 853720A8 and 853720A1 are OEM cross-reference numbers for carburetors for this Mercury Mariner outboard series. Use the original part number to confirm interchangeability.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.