15100-89L21 Outboard Gasoline Fuel Pump for Suzuki DF9.9B DF15A DF20A | JLM Marine

Outboard Gasoline Fuel Pump for Suzuki DF9.9B DF15A DF20A

This aftermarket gasoline fuel pump is engineered for Suzuki outboard engines rated 9.9–20 HP, specifically the DF9.9B, DF15A, and DF20A models manufactured between 2016 and 2020. It delivers reliable fuel delivery to keep your mid-range Suzuki outboard running smoothly on the water.

This pump serves as a direct replacement for Suzuki OEM part numbers 15100-89L21 and 15100-89L20. Note that engines from 2013–2015 require a different pump (15100-89L00); verify your engine year before ordering.

• Direct-fit replacement for Suzuki fuel pump assemblies
• Compatible with gasoline fuel systems
• Designed for straightforward bolt-on installation

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below. For Suzuki owners, you can review exploded diagrams here to verify part numbers: Suzuki Parts Diagrams & Catalog.

Important: If your engine was manufactured in 2013, 2014, or 2015, you require pump part number 15100-89L00 instead. Verify your engine year before ordering.

Technical Specifications

Package Contents

Your order includes:

• 1 × Fuel Pump Assembly

All components are shown in the product images. Verify contents upon receipt.

Installation Guide

1. Disconnect the battery: Remove the negative terminal to prevent electrical hazards during installation.
2. Locate the existing fuel pump: Refer to your engine's service manual or parts diagram to identify the pump's mounting position.
3. Relieve fuel system pressure: Open the fuel cap and allow any residual pressure to vent. Have absorbent materials ready for minor fuel spillage.
4. Disconnect fuel lines: Carefully detach the inlet and outlet fuel hoses from the old pump, noting their orientation.
5. Remove mounting hardware: Unscrew the bolts or clamps securing the pump to the engine block.
6. Extract the old pump: Lift it away and inspect the mounting surface for debris or corrosion.
7. Prepare the new pump: Compare it visually with the original to confirm fitment and orientation.
8. Install the new pump: Position it on the mounting surface and secure with original or new fasteners, tightening to manufacturer torque specifications.
9. Reconnect fuel lines: Attach the inlet and outlet hoses in the correct orientation, ensuring clamps are tight and leak-free.
10. Reconnect the battery: Reattach the negative terminal.
11. Prime the fuel system: Turn the ignition to the "on" position (without starting) to allow the pump to prime; repeat if necessary.
12. Test for leaks and operation: Start the engine and inspect all connections for fuel leaks. Run at idle for a few minutes to confirm stable operation.

Troubleshooting & FAQ

How do I confirm this fits my engine?
Check the compatibility table above for your exact model and year. If your DF9.9B, DF15A, or DF20A was built between 2016 and 2020, this pump is the correct fit. Engines from 2013–2015 require part number 15100-89L00 instead.

What are the signs that my fuel pump needs replacement?
Common symptoms include difficulty starting, engine stalling or sputtering under load, inconsistent idle, and reduced power output. If you notice fuel delivery issues or hear unusual noises from the pump area, inspection is recommended.

How often should I replace the fuel pump?
Fuel pumps typically last several years under normal conditions, but replacement intervals depend on usage, fuel quality, and maintenance. Inspect annually and replace if you observe performance degradation or mechanical wear.

Can I install this pump myself?
Yes, if you have basic mechanical skills and the proper tools. Follow the installation steps carefully and consult your engine's service manual. For safety and warranty coverage, professional installation is recommended.

Will this pump work with ethanol-blended fuel?
This pump is designed for gasoline fuel systems and should handle standard ethanol blends (E10) used in marine applications. Always use fuel stabilizers and follow Suzuki's fuel recommendations.

Is this an OEM part or aftermarket?
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.

How fast do you ship and how much does it cost?
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.

What is your warranty and return policy?
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.