Carburetor Assembly – Fits Mercury/Mariner 10-20 HP 4-Stroke Outboard Motors (Replaces 898103160, 8M0109535)
This carburetor assembly is engineered for a precise fit on select Mercury Marine/Mariner and Tohatsu 4-stroke outboard engines. It is designed for 10 HP, 15 HP, and 20 HP models manufactured between 2008 and 2017.
This component is a direct replacement for multiple OEM part numbers, ensuring compatibility and restoring original engine performance. Please verify your engine model and part number before ordering.
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Installation Method: Simple bolt-on installation.
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Engine Design: Specifically for 2-cylinder, 4-stroke outboard engines.
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Key Components: Includes main carburetor assembly and spark plug caps.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
Brand |
Part Number |
Mercury |
898103160 |
Mercury |
853720T15 |
Mercury |
853720T21 |
Mercury |
853720T22 |
Mercury |
853720T17 |
Mercury |
8M0109536 |
Mercury |
8M0129554 |
Mercury |
8M016727 |
Mercury |
8M0109535 |
Mercury |
90-898103160 |
Tohatsu |
3BJ-06040-0 / 3BJ060400 |
Compatible Engine Models
Confirm your engine model/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.
Confirm your engine model/year in the table below.
Mercury/Mariner
Brand |
Model |
Rated HP |
Stroke |
Years |
OEM Part No. |
Mercury |
2-Cylinder Outboard |
10 |
4-Stroke |
0R575531 & Up |
898103160 |
Mercury |
2-Cylinder Outboard |
15 |
4-Stroke |
0R235949 & Up |
898103160 |
Mercury |
2-Cylinder Outboard JCI |
15 |
4-Stroke |
0R558208 & Up |
898103160 |
Mercury |
2-Cylinder Outboard |
20 |
4-Stroke |
0R235168 & Up |
898103160 |
Tohatsu
Brand |
Model |
Rated HP |
Stroke |
Years |
OEM Part No. |
Tohatsu |
MFS9.9C |
9.9 |
4-Stroke |
2008-2014 |
3BJ-06040-0 |
Tohatsu |
MFS15C |
15 |
4-Stroke |
2008-2014 |
3BJ-06040-0 |
Tohatsu |
MFS20C |
20 |
4-Stroke |
2008-2014 |
3BJ-06040-0 |
Tohatsu |
MFS9.9D |
9.9 |
4-Stroke |
2015-2017 |
3BJ-06040-0 |
Tohatsu |
MFS15D |
15 |
4-Stroke |
2015-2017 |
3BJ-06040-0 |
Tohatsu |
MFS20D |
20 |
4-Stroke |
2015-2017 |
3BJ-06040-0 |
Technical Specifications
Specification |
Value |
Product Type |
Carburetor Assembly |
Installation |
Bolt-On |
Fuel Type |
Gasoline |
Housing Color |
Silver/Metallic |
Other Technical Attributes |
Designed for 2-cylinder 4-stroke outboard engines |
Package Contents
- 1 x Carburetor Assembly (Replaces 898103160/8M0109535)
- 1 x Spark Plug Caps (Replaces 898101141/3AC-06999-0)
Explosion Diagram
Installation Guide
- Ensure the engine is off and cool. Disconnect the battery and shut off the fuel supply.
- Carefully remove the engine cowling to access the carburetor.
- Note the routing and disconnect the fuel line and any vacuum hoses from the carburetor.
- Disconnect the throttle linkage and choke linkage (if applicable).
- Remove the mounting nuts or bolts securing the carburetor to the intake manifold.
- Carefully lift the old carburetor away from the engine. Remove the old gasket.
- Clean the intake manifold mounting surface thoroughly to ensure a perfect seal.
- Position the new gasket and carburetor, then secure it with the mounting nuts/bolts.
- Reconnect the throttle/choke linkages and all fuel/vacuum lines.
- Reinstall the engine cowling. Reconnect the battery and turn on the fuel supply.
- Start the engine and check for fuel leaks and proper idle speed. Adjust mixture and idle screws if necessary.
Troubleshooting & FAQ
Q: How do I confirm this carburetor fits my Mercury engine?
A: Check your engine's serial number. This part fits 10/15/20 HP 2-cylinder models with serial numbers 0R575531 & Up (10 HP), 0R235949 & Up (15 HP), 0R558208 & Up (15 HP JCI), and 0R235168 & Up (20 HP). You can also use our helpful Mercury Serial Number Guide to verify.
Q: Will this carburetor work for my Tohatsu MFS15D?
A: Yes, it is compatible with Tohatsu MFS9.9D, MFS15D, and MFS20D models from 2015-2017, as well as the earlier 'C' models (2008-2014).
Q: What are the common symptoms of a failing carburetor?
A: Key signs include difficulty starting the engine, rough or unstable idling, hesitation or stalling during acceleration, reduced top-end power, and excessive black smoke from the exhaust, which may indicate a rich fuel mixture.
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?
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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: Competitive pricing without compromising quality.