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Carburetor Assembly – Fits Tohatsu/Nissan 18HP MX18E2 (Replaces 3LD-03100-2)
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Carburetor Assembly – Fits Tohatsu/Nissan 18HP MX18E2 (Replaces 3LD-03100-2)
This carburetor assembly is engineered to fit Tohatsu and Nissan 18 HP, 2-Stroke MX18E2 outboard models. It serves as a direct-fit replacement for the original carburetor, ensuring reliable fuel delivery and engine performance.
This component is a direct replacement for Tohatsu part numbers 3LD-03100-0, 3LD-03100-1, 3LD-03100-2, Nissan part number 3LD03100M, and Sierra aftermarket part number 18-7357.
- Installation Method: Direct bolt-on replacement
- Compatible Fuel Type: Gasoline (regular unleaded)
- Includes one complete carburetor assembly for a full swap.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand | Part Number | Notes |
|---|---|---|
| Tohatsu | 3LD-03100-0 | Superseded by 3LD-03100-2 |
| Tohatsu | 3LD-03100-1 | Superseded by 3LD-03100-2 |
| Tohatsu | 3LD-03100-2 | — |
| Nissan | 3LD03100M | Rebranded Tohatsu part |
| Sierra | 18-7357 | Aftermarket cross-reference |
Compatible Engine Models
Confirm your engine model/year in the table below.
| Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Tohatsu | MX18E2 | 18 | 2-Stroke | 3LD-03100-2 | Supersedes 3LD-03100-1 and 3LD-03100-0 |
| Nissan | [Data Needed] | 18 | 2-Stroke | 3LD03100M | Rebranded Tohatsu - same engine |
Technical Specifications
| Specification | Value |
|---|---|
| Product Type | Carburetor Assembly |
| Installation | Direct bolt-on replacement |
| Fuel Type | Gasoline (regular unleaded) |
| Connection | Multiple fuel line and linkage connections |
| Housing Material | Cast Aluminum |
| Housing Color | Silver |
| Weight | Approx. 0.1 kg (0.22 lbs) |
| Warranty | 1 year against manufacturing defects (JLM Marine) |
Package Contents
- 1 × Carburetor Assembly (3LD-03100-2)
Installation Guide
- Ensure the engine is turned off and completely cooled down.
- Disconnect the battery to prevent accidental starting.
- Remove the engine cover to access the carburetor.
- Carefully disconnect and label all fuel lines and linkages to ensure correct reassembly.
- Remove the old carburetor, taking note of its orientation and connections.
- Install the new carburetor, ensuring all gaskets and connections are properly aligned.
- Reconnect all fuel lines and linkages to their original positions.
- Perform initial carburetor adjustments (idle, air/fuel mixture) according to the engine's service manual specifications.
- Test run the engine in a safe, well-ventilated area and make fine adjustments as needed for smooth operation.
Troubleshooting & FAQ
Q: How do I confirm this carburetor fits my engine?
A: First, check that your engine is a Tohatsu or Nissan 18HP 2-Stroke model, specifically the MX18E2. The most reliable method is to verify that your existing part number is listed in our cross-reference table, such as 3LD-03100-0, 3LD-03100-1, 3LD-03100-2, or Sierra 18-7357.
Q: What are the signs my old carburetor is failing?
A: Common symptoms include difficulty starting, rough idling, frequent stalling, poor acceleration, hesitation, or black smoke from the exhaust, all of which can indicate an incorrect fuel-to-air mixture from a faulty carburetor.
Q: Is any adjustment needed after installation?
A: Yes, a new carburetor almost always requires initial adjustments for idle speed and the fuel/air mixture screw. These should be set according to your engine's service manual to ensure optimal performance. Fine-tuning may also be needed after a test run.
Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
- Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
- Fast Global Shipping: Free delivery worldwide in 5–15 days.
- Direct from Manufacturer: Competitive pricing without compromising quality.
We can ship to virtually any address in the world with free shipping available for most regions.
For our typical US and Canadian customers , our shipping timeframes are as follows:
- Amazon FBA: orders will be delivered within 1-5 business days after placing the order (during certain special periods such as major promotions, Christmas, etc., the delivery time of Amazon FBA may be affected).
- US warehouse shipment: orders will be delivered within 5 days after placing the order.
- China warehouse shipment: orders will be delivered about 12 days after placing the order.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.
As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.
We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.
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