Aftermarket Carburetor Assembly for Tohatsu & Nissan 4-Stroke 6HP – Replaces 3R4032000M and 3R4-03200-0
Aftermarket Carburetor Assembly for Tohatsu & Nissan 4-Stroke 6HP – Replaces 3R4032000M and 3R4-03200-0 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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Aftermarket Carburetor Assembly for Tohatsu & Nissan 4-Stroke 6...
Aftermarket Carburetor Assembly for Tohatsu & Nissan 4-Stroke 6HP – Replaces 3R4032000M and 3R4-03200-0 is backordered and will ship as soon as it is back in stock.
Product Details
This aftermarket carburetor assembly is intended as a replacement for selected Tohatsu and Nissan 4-stroke outboard applications, including listed MFS6 and NSF6 variants. It is designed to restore proper fuel delivery when the original carburetor is damaged, contaminated, leaking, or no longer operating correctly.
Commonly referenced replacement numbers include 3R4032000M, 3R4-03200-0, 3AU032000M, and related references shown below. Confirm the exact engine model, year, serial range, mounting arrangement, and existing carburetor number before ordering.
- Replacement carburetor assembly for listed small outboard applications.
- Designed for direct replacement where the original application and fittings match.
- Metal housing suitable for marine fuel-system service.
- Aftermarket component; not manufactured by Tohatsu or Nissan.
Part Number Matrix
The references below are provided for identification and cross-reference purposes. A number match alone does not confirm fitment; compare your complete engine information before purchase.
| Brand | Part Number | Superseded or Related Reference | Notes |
|---|---|---|---|
| Tohatsu | 3R4032000M | 3JE032000M | Reference associated with selected A2 applications. |
| Tohatsu | 3R4032001M | 3JE032000M | Related reference for selected applications. |
| Tohatsu | 3AU032000M | 3JE032000M | Reference associated with selected B applications. |
| Tohatsu | 3JE032000M | Reference associated with selected C applications. | |
| Tohatsu / Nissan | 3R4-03200-0 | 3JE-03200-0 | Alternative formatting of the related reference. |
| Tohatsu / Nissan | 3R4-03200-1 | Related reference for identification. | |
| Tohatsu / Nissan | 3DK032000M | Additional reference supplied for cross-reference. | |
| Tohatsu / Nissan | 3DH032000M | Additional reference supplied for cross-reference. |
Engine & Model Compatibility
The following applications are provided as model-family guidance. Verify the complete model designation, year, serial range, carburetor layout, and original part number before installation.
| Brand | Model | Rated HP | Stroke | Years | Reference Part No. | Notes |
|---|---|---|---|---|---|---|
| Tohatsu | MFS6A2 | 6 | 4-Stroke | 2002 | 3R4032000M / 3R4032001M | Reference shown with 3JE032000M as a related replacement number. |
| Tohatsu | MFS6B | 6 | 4-Stroke | 2005–2010 | 3AU032000M | Verify the complete model and serial information. |
| Tohatsu | MFS6C | 6 | 4-Stroke | 2011–2014 | 3JE032000M | Verify the original carburetor reference before ordering. |
| Tohatsu | MFS5B | 5 | 4-Stroke | 2005–2010 | 3AU032000M | Listed as a related application; confirm physical and number match. |
| Nissan | NSF6A2 | 6 | 4-Stroke | 2002 | 3R4032000M / 3R4032001M | Nissan-branded application; verify the complete model information. |
| Nissan | NSF6B | 6 | 4-Stroke | 2005–2010 | 3AU032000M | Verify the original carburetor reference before ordering. |
| Nissan | NSF6C | 6 | 4-Stroke | 2011–2014 | 3JE032000M | Verify the original carburetor reference before ordering. |
| Nissan | NSF5B | 5 | 4-Stroke | 2005–2010 | 3AU032000M | Listed as a related application; confirm physical and number match. |
Technical Specs
- Product Type
- Aftermarket carburetor assembly
- Application
- Selected Tohatsu and Nissan gasoline outboard engines
- Stroke
- 4-stroke applications listed above
- Installation
- Replacement installation; confirm the original mounting and linkage arrangement
- Fuel Type
- Gasoline
- Housing Material
- Metal housing
- Fitting Type
- Application-specific; compare with the original carburetor before installation
- Manufacturer Status
- Aftermarket replacement, not an original Tohatsu or Nissan part
What’s in the Box
- 1 x Carburetor assembly
Installation Notes
- Disconnect the engine battery, shut off the fuel supply, and allow the engine to cool.
- Photograph or mark the fuel lines, throttle linkage, choke linkage, and any attached hoses before removal.
- Remove the airbox cover and filter as necessary to access the carburetor.
- Disconnect the fuel lines and control linkages carefully, preventing dirt from entering the fuel system.
- Remove the carburetor mounting hardware and take off the original assembly.
- Clean the mounting surface and inspect the gasket. Replace a damaged or hardened gasket before reassembly.
- Compare the replacement carburetor with the original unit, including ports, linkage points, mounting holes, and fuel connections.
- Install the replacement assembly with the correct gasket and tighten the fasteners to the engine manufacturer’s specifications.
- Reconnect the fuel lines and control linkages to their original positions. Confirm that the throttle and choke move freely.
- Reinstall the airbox and filter.
- Open the fuel supply, prime the system if required, and inspect all connections for leaks before starting.
- Start the engine only in a safe, well-ventilated area and verify proper idle, throttle response, and fuel flow.
Troubleshooting & FAQ
How do I know if this carburetor fits my engine?
Compare your complete engine brand, model designation, horsepower, stroke, year or serial range, carburetor appearance, mounting pattern, linkage arrangement, and original part number with the information in this listing. The model family and part-number references are identification aids and do not replace application verification.
What are common signs of a failing carburetor?
Symptoms may include hard starting, unstable idle, stalling, poor acceleration, fuel leakage, or an excessively rich or lean running condition. These symptoms can also result from stale fuel, blocked passages, ignition faults, restricted fuel lines, or air leaks, so diagnose the complete fuel system before replacing the carburetor.
Does the carburetor require adjustment after installation?
Adjustment requirements depend on the engine and the condition of the fuel system. Confirm that the linkages and fuel connections are correctly installed, then follow the engine manufacturer’s starting and adjustment procedure. Do not alter sealed or calibrated settings unnecessarily.
What maintenance helps protect the replacement carburetor?
Use clean, fresh fuel, keep the fuel system free of contamination, inspect fuel lines and connections regularly, and prepare the engine properly for off-season storage. A suitable marine fuel stabilizer may be used according to its instructions.
Is this an OEM part?
No. This listing is for an aftermarket replacement carburetor assembly. Tohatsu, Nissan, and the referenced manufacturer part numbers are used only to identify intended applications and compatibility references.
What should I do if the replacement does not match my original part?
Do not force the installation or modify the carburetor, linkage, or mounting surface. Stop installation and compare the complete engine information and original part number before proceeding.
How fast is shipping and what does it cost?
Available shipping methods, delivery estimates, and shipping charges are displayed at checkout and may vary by destination and service level.
What is the warranty and return policy?
Warranty coverage and return eligibility are determined by the applicable order and store policies. Contact customer support before returning or modifying a part, and retain the order information and installation details.
Safety & Important Information
- Always verify the complete engine model, year or serial range, physical configuration, and original part number before purchase.
- Do not use an unverified number match as the sole basis for ordering.
- Work in a well-ventilated area away from flames, sparks, and ignition sources when handling gasoline.
- Check carefully for fuel leaks before starting the engine.
- Professional installation is recommended if you are not familiar with marine fuel systems.
About Sea Sierra
- Marine Replacement Parts: We provide aftermarket components for a range of marine maintenance and repair applications.
- Application-Focused Listings: Product references and model information are provided to help customers compare parts before ordering.
- Customer Support: Contact our support team if you need help comparing an original part, engine model, or application reference.
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