SKU: 48921678317

Fuel Injector Assembly – Fits Honda BF40D/BF50D 40-50HP Outboard Engines (Replaces 16450-ZZ5-003)

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Description

Fuel Injector Assembly – Fits Honda BF40D/BF50D 40-50HP Outboard Engines (Replaces 16450-ZZ5-003)Fuel Injector Assembly Fits Honda BF40D BF50D 40 50HP Outboard Engines (Replaces 16450 ZZ5 003) This fuel injector assembly is engineered for Honda Marine 40 50HP, 4 stroke BF40D and BF50D series outboard engines. It provides a reliable, direct replacement for original equipment, ensuring proper fuel delivery and engine performance. This part is a direct cross reference for Honda OEM part 16450 ZZ5 003 and aftermarket parts from JESBEN (16450ZZ5003)

Fuel Injector Assembly – Fits Honda BF40D/BF50D 40-50HP Outboard Engines (Replaces 16450-ZZ5-003)

This fuel injector assembly is engineered for Honda Marine 40-50HP, 4-stroke BF40D and BF50D series outboard engines. It provides a reliable, direct replacement for original equipment, ensuring proper fuel delivery and engine performance.

This part is a direct cross-reference for Honda OEM part 16450-ZZ5-003 and aftermarket parts from JESBEN (16450ZZ5003) and KEIITYEN (16450-ZZ5-003). Each injector is flow-matched to OEM standards and fully tested for internal coil resistance and fuel flow rates.

  • Installation Type: Direct OEM replacement
  • Compatible Fuel: Gasoline
  • Key Feature: 6-hole injector nozzle for precise fuel atomization

Part Number Cross-Reference

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

Brand Part Number
Honda 16450-ZZ5-003
JESBEN 16450ZZ5003
KEIITYEN 16450-ZZ5-003

Compatible Engine Models

Confirm your engine model/year in the table below.

Brand Model Rated HP Stroke OEM Part No. Notes
Honda BF40D LHA 40 4-Stroke 16450-ZZ5-003 BBDJ-1000001 - BBDJ-9999999
Honda BF40D LRTA 40 4-Stroke 16450-ZZ5-003 BBDJ-1000001 - BBDJ-9999999
Honda BF40DK2 LHA 40 4-Stroke 16450-ZZ5-003 BBDJ-1100001 - BBDJ-9999999
Honda BF40DK2 LRTA 40 4-Stroke 16450-ZZ5-003 BBDJ-1100001 - BBDJ-9999999
Honda BF40DK4 LHA 40 4-Stroke 16450-ZZ5-003 BBDJ-1300001 - BBDJ-9999999
Honda BF40DK4 LRTA 40 4-Stroke 16450-ZZ5-003 BBDJ-1300001 - BBDJ-9999999
Honda BF50D LRTA 50 4-Stroke 16450-ZZ5-003 BBEJ-1000001 - BBEJ-9999999
Honda BF50D XRTA 50 4-Stroke 16450-ZZ5-003 BBEJ-1000001 - BBEJ-9999999
Honda BF50DK2 LRTA 50 4-Stroke 16450-ZZ5-003 BBEJ-1100001 - BBEJ-9999999
Honda BF50DK2 XRTA 50 4-Stroke 16450-ZZ5-003 BBEJ-1100001 - BBEJ-9999999
Honda BF50DK4 LRTA 50 4-Stroke 16450-ZZ5-003 BBEJ-1300001 - BBEJ-9999999
Honda BF50DK4 XRTA 50 4-Stroke 16450-ZZ5-003 BBEJ-1300001 - BBEJ-9999999

Technical Specifications

Specification Value
Product Type Fuel Injector Assembly
Installation Direct OEM replacement
Fuel Type Gasoline
Connection Electrical connector with fuel line
Housing Material Metal
Housing Color Silver/metallic
Dimensions 8 cm x 4.5 cm x 3.5 cm
Weight 0.05 lbs (0.023 kg)
Fitting Type 6-hole injector nozzle
Warranty 1 Year (aftermarket versions)
Other Technical Attributes Flow matched to OEM standards, 100% tested for internal coil resistance and fuel flow rate

Package Contents

  • 1 x Fuel Injector Assembly (16450-ZZ5-003)

Installation Guide

Professional installation is recommended. Always consult your service manual before beginning work. The following is a general guide:

  1. Safety First: Ensure the engine is fully cooled. Disconnect the negative terminal from the battery.
  2. Relieve Fuel Pressure: To prevent fuel spray, safely relieve pressure from the fuel system according to your engine's service manual.
  3. Disconnect: Unplug the electrical connector from the fuel injector.
  4. Remove Fuel Line: Place a rag underneath the connection to catch spills and carefully disconnect the fuel line from the injector.
  5. Unseat Injector: Unbolt the fuel rail and carefully pull the old injector assembly out. Note its orientation.
  6. Prepare New Injector: Lightly lubricate the new injector's O-rings with clean engine oil for a smooth installation and proper seal.
  7. Install New Injector: Press the new injector firmly into its port on the fuel rail, ensuring it is properly seated.
  8. Secure Connections: Re-fasten the fuel rail. Reconnect the fuel line and the electrical connector, ensuring both are secure.
  9. Check for Leaks: Reconnect the battery. Turn the ignition key to the "On" position (without starting the engine) several times to prime the system and build pressure. Visually inspect for any fuel leaks.
  10. Final Test: Once confirmed there are no leaks, start the engine and let it idle, checking again for any issues.

Troubleshooting & FAQ

Q: How do I confirm this injector fits my Honda engine?

A: This injector is specifically for Honda BF40D and BF50D series 4-stroke outboards. To ensure a perfect match, please compare your engine's model and serial number with the ranges listed in our "Compatible Engine Models" table. It is a direct replacement for OEM part number 16450-ZZ5-003.

Q: What are the common signs of a failing fuel injector?

A: Symptoms of a faulty injector include rough idling, engine misfires (especially at idle or under load), poor acceleration, reduced fuel economy, and difficulty starting the engine.

Q: Is this a genuine Honda part?

A: This is a high-quality aftermarket part, not a genuine Honda OEM component. It is designed and manufactured to meet or exceed OEM specifications for fit, form, and function, offering a reliable alternative.

Q: Does this injector require any calibration before installation?

A: No. Each injector is 100% tested for flow rate and coil resistance at the factory, so it arrives ready to install without any need for additional calibration.

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?

  • 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.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 48921678317

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