16700-ZZ5-003 Fuel Pump Assembly for Honda BF40D BF50D | JLM Marine

Fuel Pump Assembly for Honda BF40D BF50D – OEM 16700-ZZ5-003

This high-quality fuel pump assembly is engineered to fit Honda 4-stroke outboard motors rated at 40 HP and 50 HP, specifically the BF40D and BF50D series. Designed to deliver reliable fuel system performance, this assembly ensures consistent fuel delivery for smooth engine operation in marine environments.

This part directly replaces Honda OEM part number 16700-ZZ5-003, providing a cost-effective aftermarket solution for maintaining your outboard's fuel system. Suitable for various model years and VIN ranges across the BF40D and BF50D lines.

• Complete assembly with fuel pump, O-ring, and mounting clips included
• Fits Honda 4-stroke 40HP and 50HP outboard motors
• Direct replacement for OEM part 16700-ZZ5-003

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.

Technical Specifications

Package Contents

Your purchase includes the following components:

• 1 × Fuel Pump Assembly
• 1 × O-ring
• 2 × Clips

Note: If you are unsure about compatibility, please provide your engine serial number or model before ordering.

Installation Guide

1. Disconnect the battery to ensure safe working conditions and prevent accidental engine start.
2. Locate the existing fuel pump on the cylinder head of your Honda BF40D or BF50D outboard motor.
3. Disconnect the fuel lines from the old pump carefully, using a container to catch any residual fuel.
4. Remove the mounting clips securing the old fuel pump assembly to the engine.
5. Carefully detach the old fuel pump from the mounting surface and inspect the area for debris or damage.
6. Clean the mounting surface thoroughly to ensure a proper seal with the new assembly.
7. Install the new O-ring onto the fuel pump assembly, ensuring it seats correctly in the groove.
8. Position the new fuel pump assembly onto the mounting surface, aligning it with the drive mechanism.
9. Secure the fuel pump using the two new clips provided in the package.
10. Reconnect the fuel lines to the appropriate inlet and outlet ports on the new pump.
11. Reconnect the battery and perform a visual inspection for proper installation.
12. Start the engine and check for leaks; monitor fuel system performance during the first few minutes of operation.

Troubleshooting & FAQ

Q: How do I confirm this fuel pump fits my Honda outboard?
A: Verify your engine model (BF40D or BF50D) and check the VIN range in the Compatible Engine Models table above. Cross-reference your original part number with OEM 16700-ZZ5-003. If unsure, contact us with your engine serial number for confirmation.

Q: What are the signs that my fuel pump needs replacement?
A: Common symptoms include difficulty starting, rough idling, loss of power under load, engine sputtering at high RPM, or visible fuel leaks around the pump assembly. If you experience any of these issues, inspect your fuel pump for wear or damage.

Q: How often should I replace the fuel pump on my Honda outboard?
A: Fuel pumps typically last several years under normal operating conditions. Replace when you notice performance issues or during major engine service. Regular inspection of fuel system components during annual maintenance is recommended.

Q: Can I install this fuel pump myself or do I need a professional?
A: If you have basic mechanical skills and marine engine experience, you can install this pump following the guide above. However, professional installation is recommended to ensure proper fuel system operation and safety, especially if you're unfamiliar with outboard fuel systems.

Q: Is this an OEM or aftermarket part?
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.