35668-ZY6-003 Oxygen Sensor O2 for Honda BF-LA BF-AKL | JLM Marine

Oxygen Sensor O2 35668-ZY6-003 – Fits Honda BF115-BF150 HP Outboards

This oxygen sensor (O2 LAF sensor) is engineered for Honda BF115, BF135, and BF150 HP outboard engines from 2004 to 2013 model years. It delivers precise air-fuel ratio feedback to ensure optimal combustion efficiency, fuel economy, and emission control.

This aftermarket sensor directly replaces OEM part number 35668-ZY6-003 and aftermarket number 385-205, providing a cost-effective solution without compromising performance.

• Direct fit for Honda BF-LA and BF-AKL series outboards (115–150 HP)
• Ensures accurate oxygen level monitoring for engine management systems
• Compatible with 2004–2013 model years

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

• 1 × Oxygen Sensor O2 (35668-ZY6-003 / 385-205)

Installation Guide

1. Disconnect the battery: Turn off the engine and disconnect the negative battery terminal to prevent electrical shorts.
2. Locate the oxygen sensor: Find the O2 sensor on the exhaust manifold or exhaust pipe of your Honda outboard.
3. Disconnect the electrical connector: Carefully unplug the wiring harness from the old sensor.
4. Remove the old sensor: Use an oxygen sensor socket or wrench to unscrew the sensor counterclockwise. Avoid damaging the threads.
5. Prepare the new sensor: Apply a small amount of anti-seize compound to the threads (if not pre-applied) to prevent future seizing.
6. Install the new sensor: Thread the new oxygen sensor by hand, then tighten to manufacturer's torque specifications using the appropriate tool.
7. Reconnect the electrical connector: Plug the wiring harness securely into the new sensor until you hear a click.
8. Reconnect the battery: Reattach the negative battery terminal and ensure all connections are secure.
9. Start the engine and test: Run the engine and verify that no warning lights appear and the engine operates smoothly.

Troubleshooting & FAQ

Q: How do I know if my oxygen sensor needs replacement?
A: Common signs include poor fuel economy, rough idling, engine hesitation, increased emissions, or a check engine light. If your engine's performance has declined, the O2 sensor may be faulty.

Q: How do I confirm this sensor fits my Honda outboard?
A: Cross-reference your engine's model, horsepower, and year with the compatibility table above. Verify the OEM part number (35668-ZY6-003) matches your original sensor.

Q: How often should I replace the oxygen sensor?
A: Oxygen sensors typically last 3–5 years or 200–300 hours of operation, depending on usage and fuel quality. Replace if you notice performance issues or during scheduled maintenance intervals.

Q: Will this aftermarket sensor perform the same as the OEM part?
A: Yes, this sensor is manufactured to OEM specifications and delivers comparable performance. It provides accurate air-fuel ratio readings essential for engine management.

Q: Is this an OEM part or an aftermarket replacement?
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.