OEM Part Numbers
3BJ-03100-0, 3BH-03100-0, 3AZ-03133-0, 3BH031000, 3AZ031330, 3BH031000M, 3AZ031330M, 3BJ031000M, 3BA-03133-0
Compatible Models
- Tohatsu
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Four-Stroke Engines:
- 15 HP F15C MFS15C NSF15C
- 20 HP MFS20C F20C
- MFS20C
Explosion Diagram

Installation Instructions
- Ensure the engine is turned off and cooled down completely
- Disconnect the battery to prevent accidental starting
- Remove the engine cover to access the carburetor
- Disconnect and label all fuel lines and linkages
- Remove the old carburetor, noting the orientation and connections
- Install the new carburetor, ensuring proper alignment of all connections
- Reconnect all fuel lines and linkages in their original positions
- Perform initial adjustment according to specifications
- Test run the engine and make fine adjustments as needed
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist, even if your model is listed as compatible, 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.
Warranty Information
This product comes with a 1-year warranty against manufacturing defects under normal use conditions. Please contact our customer service team for warranty claims or additional product information.
Product Features
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High Quality: Manufactured to OEM specifications using the exact same material as the originals.
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Production Standards: Produced in an ISO9002 certified factory.
Why Choose JLM MARINE?
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Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5-15 days.
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Direct from Manufacturer: Enjoy competitive prices without compromising quality.
Don't compromise on quality or performance. Choose JLM MARINE for reliable, high-performance marine parts at unbeatable prices. Order now and experience the JLM difference!
Need help?
Click the live support at the lower right corner of the webpage or email us your engine details for the right parts.