Fuel Pump Assembly for Honda BF25A BF25D BF30A BF30D BF35AM BF40A BF45AM BF50A BF75A BF90A
This fuel pump assembly is engineered to fit a wide range of Honda 4-stroke outboard engines from 25 HP to 90 HP. Designed as a direct replacement for OEM part number 16700-ZV5-003, it ensures reliable fuel delivery for your marine engine across multiple model series including BF25A, BF25D, BF30A, BF30D, BF35AM, BF40A, BF45AM, BF50A, BF75A, and BF90A.
This assembly serves as a direct replacement for Honda part numbers 16700-ZV5-003 and 16700-ZW1-004, providing broad compatibility across numerous engine variants and model years. It is specifically designed for 4-stroke applications, ensuring precise fitment and consistent performance.
- Complete assembly includes fuel pump, O-ring, and 3 mounting clips for straightforward installation
- Precision-engineered for Honda 4-stroke outboard engines ranging from 25 HP to 90 HP
- Direct bolt-on replacement design simplifies maintenance and reduces downtime
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
Notes |
| Honda |
16700-ZV5-003 |
Primary OEM part number |
| Honda |
16700-ZW1-004 |
Alternate OEM part number |
Compatible Engine Models
Confirm your engine model/year in the table below.
| Brand |
Model |
Rated HP |
Stroke |
Notes |
| Honda |
BF25A |
25 HP |
4-Stroke |
All variants (BF25A, BF25A1, BF25A2, BF25A3, BF25AW, BF25AX, BF25AY) |
| Honda |
BF25D |
25 HP |
4-Stroke |
All variants (BF25D4, BF25D5, BF25D6, BF25DK0, BF25DK2, BF25DK3) |
| Honda |
BF30A |
30 HP |
4-Stroke |
All variants (BF30A, BF30A1, BF30A2, BF30A3, BF30AW, BF30AX, BF30AY) |
| Honda |
BF30D |
30 HP |
4-Stroke |
All variants (BF30D4, BF30D5, BF30D6, BF30DK0, BF30DK2, BF30DK3) |
| Honda |
BF35AM |
35 HP |
4-Stroke |
Cylinder head assembly 012 |
| Honda |
BF40A |
40 HP |
4-Stroke |
All variants (BF40A, BF40A1, BF40A2, BF40A3, BF40A4, BF40A5, BF40A6, BF40AK0, BF40AW, BF40AX, BF40AY) |
| Honda |
BF45AM |
45 HP |
4-Stroke |
Cylinder head assembly 012 |
| Honda |
BF50A |
50 HP |
4-Stroke |
All variants (BF50A, BF50A1, BF50A2, BF50A3, BF50A4, BF50A5, BF50A6, BF50AK0, BF50AW, BF50AX, BF50AY) |
| Honda |
BF75A |
75 HP |
4-Stroke |
All variants (BF75A1, BF75A2, BF75A3, BF75A4, BF75A5, BF75A6, BF75AT, BF75AW, BF75AX, BF75AY) |
| Honda |
BF90A |
90 HP |
4-Stroke |
All variants (BF90A1, BF90A2, BF90A3, BF90A4, BF90A5, BF90A6, BF90AT, BF90AW, BF90AX, BF90AY) |
Technical Specifications
| Specification |
Value |
| OEM Part Number |
16700-ZV5-003 |
| Compatible Brands |
Honda Marine |
| Engine Type |
4-Stroke Outboard |
| Horsepower Range |
25 HP - 90 HP |
| Component Type |
Fuel Pump Assembly |
Package Contents
Your fuel pump assembly package includes the following components:
- 1× Fuel Pump Assembly
- 1× O-Ring
- 3× Mounting Clips
Installation Guide
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Preparation: Disconnect the battery and relieve fuel system pressure. Ensure the work area is well-ventilated and free from ignition sources.
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Access the Pump: Locate the fuel pump assembly on your engine's cylinder head. Remove any cowling or covers necessary to access the pump mounting area.
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Disconnect Fuel Lines: Carefully disconnect the fuel inlet and outlet lines from the old pump assembly. Have a rag ready to catch any residual fuel.
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Remove Old Pump: Remove the mounting clips or bolts securing the old fuel pump to the cylinder head. Carefully lift the old pump away from the mounting surface.
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Clean Mounting Surface: Thoroughly clean the cylinder head mounting surface, removing any old gasket material or debris to ensure a proper seal.
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Install New O-Ring: Position the new O-ring onto the fuel pump or mounting surface as specified in your engine's service manual.
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Mount New Pump: Carefully position the new fuel pump assembly onto the cylinder head, aligning all mounting holes. Secure using the three provided clips or mounting hardware.
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Reconnect Fuel Lines: Reattach the fuel inlet and outlet lines to the new pump assembly, ensuring all connections are tight and secure.
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Check for Leaks: Reconnect the battery and turn the ignition to the on position (without starting) to prime the fuel system. Inspect all connections for leaks.
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Test Run: Start the engine and allow it to idle for several minutes. Monitor fuel delivery and check again for any leaks around the pump assembly.
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Final Inspection: With the engine running smoothly, reinstall any covers or cowling removed during installation. Perform a final visual inspection of all connections.
Troubleshooting & FAQ
Q: How do I confirm this fuel pump fits my Honda outboard?
A: Cross-reference your engine's model number with the compatibility table above. Verify that your OEM part number matches 16700-ZV5-003 or 16700-ZW1-004. If your specific model variant is listed, this pump should fit correctly.
Q: What are the signs that my fuel pump needs replacement?
A: Common symptoms include hard starting, engine sputtering or stalling at idle, loss of power at high RPM, visible fuel leaks around the pump, or the engine failing to start altogether. Inconsistent fuel delivery is often the first indicator of pump failure.
Q: How often should I replace my outboard's fuel pump?
A: Honda recommends inspecting the fuel pump during routine maintenance intervals (typically every 100 hours or annually). Replace the pump if you notice any signs of wear, leaking, or performance issues. Preventive replacement every 3-5 years can help avoid on-water breakdowns.
Q: Can I install this pump myself or do I need a marine mechanic?
A: If you have basic mechanical skills and the proper tools, installation is straightforward following the steps provided. However, working with fuel systems requires caution. If you're not comfortable with fuel line disconnection or lack experience, professional installation is recommended for safety.
Q: Will this aftermarket pump perform the same as the original Honda pump?
A: This aftermarket replacement is manufactured to OEM specifications and designed to deliver equivalent performance and reliability. While it is not an OEM Honda component, it is engineered to meet the same functional standards for fuel delivery and pressure.
Q: What's the difference between OEM and aftermarket parts?
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.