Carburetor Assembly for Mercury/Mariner 8–9.9 HP 4-Stroke and Tohatsu 8–9.8 HP Outboards
Carburetor Assembly for Mercury/Mariner 8–9.9 HP 4-Stroke and Tohatsu 8–9.8 HP Outboards is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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Carburetor Assembly for Mercury/Mariner 8–9.9 HP 4-Stroke and Tohat...
Carburetor Assembly for Mercury/Mariner 8–9.9 HP 4-Stroke and Tohatsu 8–9.8 HP Outboards is backordered and will ship as soon as it is back in stock.
Product Details
This aftermarket carburetor assembly is listed as a replacement for selected Mercury and Mariner 8 HP and 9.9 HP four-stroke outboard engines, as well as mechanically equivalent Tohatsu 8 HP and 9.8 HP four-stroke models. Confirm the engine model, year, serial-number range, and existing carburetor before ordering.
The listed cross-references include Mercury/Mariner numbers 3303-895110T01, 3303-895110T11, and 3303-8M0104462, together with additional Mercury reference numbers shown in the matrix below. The Tohatsu reference listed for the corresponding applications is 3DP-03100-2. Reference numbers are provided for identification and should be compared with the number on the original component.
- Replacement carburetor assembly for selected marine gasoline engines.
- Designed for the listed four-stroke Mercury, Mariner, and Tohatsu applications.
- Includes fuel and linkage connection points corresponding to the listed applications.
- Aftermarket replacement component; not a genuine OEM part.
Part Number Matrix
Use the following numbers as cross-reference leads. Always verify the complete engine application and the original component before installation.
| Brand | Part Number |
|---|---|
| Mercury / Mariner | 3303-895110T01 / 3303-895110T11 / 3303-8M0104462 / 1300-8M0167272 / 8M0173875 / 8M0176126 |
| Tohatsu | 3DP-03100-2 |
Engine & Model Compatibility
The applications below reflect the listed compatibility information. Model designations, serial ranges, and component revisions can vary, so compare the engine identification label and original carburetor before purchase.
| Brand | Model | Rated HP | Stroke | Year / Range | Reference Part No. | Application Notes |
|---|---|---|---|---|---|---|
| Mercury | 8 HP | 8 | 4-Stroke | Listed for 2006 and later applications | 3303-895110T01 / 3303-895110T11 | Listed serial references include 0P325500 and later, and 0R676745 and earlier. Verify the complete serial number. |
| Mercury | 9.9 HP | 9.9 | 4-Stroke | Listed for 2006 and later applications | 3303-895110T01 / 3303-895110T11 | Listed serial references include 0R042475 and later, and 0P325500 and later. Verify the complete serial number. |
| Mercury | 8 HP Bodensee | 8 | 4-Stroke | Listed for 2006 and later applications | 3303-895110T01 / 3303-895110T11 | Special emission-model application; confirm the original component number. |
| Mariner | 8 HP | 8 | 4-Stroke | Listed for 2006 and later applications | 3303-895110T01 / 3303-895110T11 | Confirm model and serial number before ordering. |
| Mariner | 9.9 HP | 9.9 | 4-Stroke | Listed for 2006 and later applications | 3303-895110T01 / 3303-895110T11 | Confirm model and serial number before ordering. |
| Tohatsu | MFS8A / MFS8B | 8 | 4-Stroke | Check the corresponding Mercury-equivalent application | 3DP-03100-2 | Verify the original carburetor and complete engine identification. |
| Tohatsu | MFS9.8A / MFS9.8B | 9.8 | 4-Stroke | Check the corresponding Mercury-equivalent application | 3DP-03100-2 | Verify the original carburetor and complete engine identification. |
Technical Specifications
- Product Type
- Carburetor assembly
- Application
- Selected Mercury, Mariner, and Tohatsu four-stroke outboard engines listed above
- Fuel Type
- Gasoline
- Installation
- Replacement installation; fit must be confirmed by model, serial number, and original part comparison
- Connection Points
- Fuel inlet and throttle/linkage connection points for the listed applications
- Housing Material
- Die-cast aluminum, as listed
- Housing Color
- Silver / metallic appearance, as listed
- Approximate Weight
- 0.58 kg (1.28 lb), as listed
- Part Classification
- Aftermarket replacement component
What's in the Box
- 1 × Carburetor assembly
- Gaskets are not confirmed as included. Check the specific order contents before installation and obtain the correct replacement gasket if required.
Installation Notes
- Confirm the engine model, serial number, stroke, and original carburetor reference before beginning work.
- Work in a well-ventilated area away from flames, sparks, and other ignition sources.
- Shut off the fuel supply and safely disconnect the fuel line from the carburetor.
- Disconnect the throttle and choke linkages, noting their original positions and routing.
- Remove the mounting nuts or bolts securing the original carburetor to the intake manifold.
- Remove the original carburetor and clean old gasket material from the mounting surface without damaging the manifold.
- Install a new, application-correct gasket. Do not reuse a damaged or compressed gasket.
- Position the replacement carburetor and tighten the fasteners evenly to the engine manufacturer's specified torque.
- Reconnect the throttle and choke linkages and confirm that they move freely through their full range.
- Reconnect and secure the fuel line, then inspect all connections for proper seating.
- Turn on the fuel supply and check carefully for leaks before starting the engine.
- Start and test the engine in accordance with the manufacturer's service procedures. Adjustments, if required, should be performed by a qualified technician.
Troubleshooting & FAQ
How do I confirm that this carburetor fits my outboard?
Verify that the engine is a listed 8 HP or 9.9 HP Mercury or Mariner four-stroke, or a listed 8 HP or 9.8 HP Tohatsu four-stroke. Then compare the complete model and serial number, the original carburetor, mounting arrangement, linkage, and fuel connections with the information above. A horsepower match alone does not confirm fitment.
What symptoms can indicate a carburetor problem?
Common symptoms may include difficult starting, unstable idle, stalling at low speed, hesitation during acceleration, poor fuel economy, black exhaust smoke, or fuel leakage. These symptoms can also be caused by fuel contamination, blocked passages, ignition faults, incorrect adjustment, or other engine problems.
Are gaskets included?
Gaskets are not confirmed as part of the package contents for this listing. Check the order contents before installation and purchase the correct application-specific gasket separately if one is not supplied.
Is this a genuine OEM part?
No. This listing is for an aftermarket replacement carburetor assembly. The OEM and manufacturer reference numbers are provided only to help identify the intended application.
What are the shipping times and costs?
Available shipping methods, delivery estimates, and costs depend on the destination and are shown at checkout. Do not rely on a shipping estimate until it is displayed for your address.
What is the warranty and return policy?
Warranty coverage and return eligibility are governed by the applicable order terms. Contact customer support before returning a part, and retain the order information and installation details. The part should not be modified or installed on an unconfirmed application.
Safety & Important Information
- Compare the original part, mounting points, linkage connections, fuel connection, and reference number before purchase.
- Do not assume compatibility solely from horsepower, brand, or a similar-looking component.
- Use fresh, clean fuel and follow the engine manufacturer's fuel-system safety procedures.
- Fuel-system work should be performed by a qualified technician when the correct service procedure or adjustment is uncertain.
- This is an aftermarket replacement component, not an Original Equipment Manufacturer part.
About Sea Sierra
- Marine Replacement Parts — Replacement components are selected for listed marine applications and should be matched carefully to the engine.
- Application-Focused Support — Use the model, year, serial number, and original component number when confirming fitment.
- Order Assistance — Contact support with complete engine identification details if the application is unclear before installation.
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