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

Carburetor Assy for Mercury Mariner

This carburetor assy replaces OEM part numbers 853720A1 and 853720A8 for Mercury Mariner 25 HP and 30 HP outboard motors.

Overview

This carburetor assy for Mercury Mariner outboard motors supplies the fuel-air mixture needed for dependable starting, acceleration, and idle on 25 HP and 30 HP engines. This carburetor assy is a direct service replacement for the original carburetor assembly. Marine mechanics and boat owners rely on this carburetor assy to restore fuel delivery and dependable operation.

Built For Performance

• Replaces OEM part numbers 853720A1 and 853720A8
• Engineered for Mercury Mariner 25 HP and 30 HP outboard motors
• Complete carburetor assembly for a straightforward exchange
• Restores fuel metering to address stalling, rough idle, and poor acceleration
• Uses standard gaskets and seals to simplify installation

Fits These Machines

• for Mercury Mariner 25 HP Outboard Motor
• for Mercury Mariner 30 HP Outboard Motor

On-The-Job Use

• Replace a leaking or failing carburetor assy during outboard maintenance
• Rebuild fuel supply on skiffs, fishing boats, and inflatables powered by 25 HP or 30 HP motors
• Restore engine responsiveness for launches, tenders, and small workboats
• Support mechanics completing fuel system work for Mercury Mariner outboards

Specs At A Glance

Good To Know

Q: Will this carburetor assy work with either 853720A1 or 853720A8? A: It is listed for Mercury Mariner 25 HP and 30 HP outboard motors and references OEM part numbers 853720A1 and 853720A8. Verify the existing carburetor part number before installation.

Q: What does this carburetor assy do for Mercury Mariner outboards? A: It meters fuel and air entering the engine so the outboard can start, idle, and accelerate properly. Replacing a worn carburetor restores normal engine performance.

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