Carburetor Gasket Set – Fits Mercury/Mariner 40 HP 2-Stroke (Replaces 1395-9651)

$7.99 $12.00

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Product Details

This Carburetor Gasket Set is designed for Mercury/Mariner 40 HP 2-stroke outboard engines. For specific model compatibility, always consult your owner's manual to ensure a correct fit.

It serves as a direct interchange for Mercury/Mariner 1395-9651, Quicksilver 1395-9651, and Sierra 18-0651.

Installation requires referencing your engine's service manual for proper procedures.
Engineered for use with 2-stroke gasoline fuel systems.
Provides essential seals for carburetor maintenance and repair.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Brand	Part Number
Mercury/Mariner	1395-9651
Quicksilver	1395-9651
Sierra	18-0651

Engine & Model Compatibility

Confirm your engine model/year in the table below.

This gasket set is compatible with various 40 hp 2-cycle outboards from Mercury and Mariner that specify the original part number.

Brand	Model	Rated HP	Stroke	OEM Part No.	Notes
Mercury/Mariner	Various	40	2-Stroke	1395-9651	Carburetor gasket set 9651 is for various 40 hp Mercury and Mariner 2-cycle outboards

Technical Specs

Product Type: Carburetor Gasket Set
Fuel Type: Gasoline (2-stroke)
Dimensions: 9.0" L x 12.5" W x 0.5" H
Installation: See service manual for installation instructions

What’s in the Box

1 x Carburetor Gasket Set

Installation Notes

Disconnect the battery and ensure the engine is cool.
Turn off the fuel supply and safely disconnect the fuel line from the carburetor.
Carefully remove the airbox or flame arrestor to access the carburetor.
Note the position of all linkages and springs before disconnecting them.
Remove the mounting bolts and detach the carburetor from the engine.
Disassemble the carburetor, laying out parts in order on a clean surface.
Remove old gaskets, ensuring all mating surfaces are clean and free of debris.
Install the new gaskets from the kit, matching them to their correct locations.
Reassemble the carburetor, ensuring all components are correctly seated.
Reinstall the carburetor onto the engine, reconnecting linkages and fuel lines.
Reattach the airbox, reconnect the battery, and test the engine.
Check for fuel leaks and adjust the idle as needed per the service manual.

Troubleshooting & FAQ

How do I confirm this gasket set will fit my exact engine model?

This set is for specific Mercury/Mariner 40 HP 2-stroke outboards. The best way to confirm fitment is to check your engine's service manual or parts diagram for the OEM part number 1395-9651. If it matches, this set is compatible.

What are common symptoms of a bad carburetor gasket?

Signs of a failing carburetor gasket include rough idling, engine stalling, poor acceleration, fuel leaks around the carburetor body, or an engine that is hard to start. These symptoms are often caused by air leaks or fuel delivery issues resulting from a compromised seal.

How often should I replace my carburetor gaskets?

There is no fixed replacement interval. Gaskets should be replaced whenever the carburetor is removed for service, cleaning, or rebuilding. They can degrade over time due to fuel exposure and temperature changes, so proactive replacement during maintenance is recommended.

Will this kit solve my engine's running problems?

If your engine issues are caused by old or leaking carburetor gaskets, this kit can resolve them by restoring proper sealing. However, it will not fix problems related to incorrect fuel mixture, ignition timing, or other mechanical or electrical faults.

OEM vs. Aftermarket?

This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.

Shipping speed & cost

We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.

Warranty & returns

Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.

Safety & Important Info

Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
This is an aftermarket replacement, not an OEM component.
Professional installation is recommended for safety and performance.

About Sea Sierra

Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.

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