Carburetor Assembly – Fits Tohatsu/Nissan 8HP & 9.8HP (Replaces 3DP-03100-2, 3V1-03100-2, 3V2-03100-3, 3FS-03100-0)
Carburetor Assembly – Fits Tohatsu/Nissan 8HP & 9.8HP (Replaces 3DP-03100-2, 3V1-03100-2, 3V2-03100-3, 3FS-03100-0) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
U.S. orders usually arrive within 6–15 days, depending on stock location and destination.
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Carburetor Assembly – Fits Tohatsu/Nissan 8HP & 9.8HP (Replaces...
Carburetor Assembly – Fits Tohatsu/Nissan 8HP & 9.8HP (Replaces 3DP-03100-2, 3V1-03100-2, 3V2-03100-3, 3FS-03100-0) is backordered and will ship as soon as it is back in stock.
Product Details
This is a direct-replacement Carburetor Assembly – Fits Tohatsu/Nissan 4-Stroke 8HP & 9.8HP (Replaces 3DP-03100-2), designed for Tohatsu and Nissan 4-stroke outboard engines (8HP and 9.8HP) from 2003 and newer, including the MFS8 and MFS9.8 series. It ensures reliable fuel delivery and engine performance.
This assembly directly replaces Tohatsu OEM part numbers 3DP-03100-2, 3V1-03100-2, 3V2-03100-3, and 3FS-03100-0, providing a seamless interchange for multiple superseded parts.
- Installs directly without modification.
- Constructed with a durable metal alloy housing for longevity.
- Some models include an integrated accelerator pump for improved throttle response.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Tohatsu/Nissan | 3DP-03100-2 | Primary Replacement |
| Tohatsu/Nissan | 3V1-03100-2 | Superseded Part |
| Tohatsu/Nissan | 3V2-03100-3 | Superseded Part |
| Tohatsu/Nissan | 3FS-03100-0 | Superseded Part |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This part fits engines from both Tohatsu and their Nissan-branded equivalents (NSF models).
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Tohatsu | MFS8 | 8 | 4-Stroke | 2003 and newer | 3DP-03100-2 | Base model |
| Tohatsu | NSF8 | 8 | 4-Stroke | 2003 and newer | 3DP-03100-2 | Nissan branded version |
| Tohatsu | MFS9.8 | 9.8 | 4-Stroke | 2003 and newer | 3DP-03100-2 | Multiple variants |
| Tohatsu | MFS9.8A | 9.8 | 4-Stroke | 2003 and newer | 3DP-03100-2 | |
| Tohatsu | MFS9.8A2 | 9.8 | 4-Stroke | 2003 and newer | 3DP-03100-2 | |
| Tohatsu | MFS9.8A3 | 9.8 | 4-Stroke | 2003 and newer | 3DP-03100-2 | |
| Tohatsu | MFS9.8B | 9.8 | 4-Stroke | 2003 and newer | 3DP-03100-2 |
Technical Specs
- Product Type
- Carburetor Assembly
- Installation
- Direct replacement
- Fuel Type
- Gasoline
- Housing Material
- Metal (alloy)
- Other Technical Attributes
- Includes accelerator pump (on some models)
- Warranty
- 1-year against manufacturing defects
What’s in the Box
- 1 x Carburetor Assembly (Replaces 3DP-03100-2, 3V1-03100-2, 3V2-03100-3, 3FS-03100-0)
Installation Notes
- Ensure the engine is off and cool. Shut off the fuel supply and safely disconnect the fuel line from the carburetor.
- Note the position of and carefully disconnect the throttle and choke linkages.
- Remove the nuts or bolts securing the old carburetor to the intake manifold.
- Gently remove the old carburetor and gasket. Clean the manifold mounting surface of any old gasket material or debris.
- Position the new gasket and carburetor assembly onto the intake manifold.
- Tighten the mounting nuts or bolts evenly to the manufacturer's recommended torque.
- Reconnect the throttle and choke linkages, ensuring they move freely without binding.
- Attach the fuel line, turn the fuel supply on, and inspect carefully for any leaks before attempting to start the engine.
Troubleshooting & FAQ
How do I confirm this carburetor fits my engine?
Verify your engine's brand (Tohatsu/Nissan), model (e.g., MFS9.8A3), and year. This part fits 8HP and 9.8HP 4-stroke models from 2003 and newer. For certainty, cross-reference your existing carburetor's part number with those listed in the Part Number Matrix.
What is the difference between part numbers 3DP-03100-2, 3V1-03100-2, etc.?
These numbers represent different versions of the same part. Manufacturers often update part numbers over time due to minor revisions or supplier changes. All part numbers listed in this description are confirmed to be direct interchanges for one another.
What are common signs that my carburetor needs to be replaced?
Symptoms of a failing carburetor include difficulty starting, rough or unstable idling, stalling at low speeds, hesitation or bogging on acceleration, strong fuel smell, or visible fuel leaks from the carburetor body.
Will this carburetor require adjustment after installation?
This is a direct-fit part, but minor adjustments to the idle speed or air/fuel mixture screw might be necessary to achieve optimal performance for your specific engine and operating conditions.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). It is built to OEM-level specifications with comparable materials and manufactured in an an ISO 9002 facility, where it is batch-inspected for consistency.
Shipping speed & cost?
We ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free; expedited options will appear at checkout where available for your location.
Warranty & returns?
This product is covered by a 1-year warranty against manufacturing defects under normal use. If any issues arise, please contact our support team with your order details. Returns are accepted within our standard window, provided the item is unused and in its original condition. See our policy page or reach out for instructions.
Safety & Important Info
- Verify images and specifications against 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 quality control.
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