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If the return is due to our mistake (incorrect or defective item), we will cover the return shipping cost and issue a full refund.
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To request a return, please contact us at info@jlm-marine.com with your order number for return authorization. For full terms, conditions, and exclusions, please refer to our complete Returns & Refunds Policy page.
This aftermarket oxygen sensor replaces Yamaha 67H-8592A-00 (catalog form 67H-8592A-00-00). It threads into the exhaust housing on selected Yamaha V6 two-stroke EFI outboards and reports exhaust oxygen content so the engine control unit can hold the fuel-air ratio. This unit is new production, not a remanufactured core.
Match this part in this order:
1. OEM number on the removed sensor or in your parts catalog (67H-8592A-00 / 67H-8592A-00-00, or superseding 67H-8592A-01 / 67H-8592A-01-00)
2. Model code and year — Yamaha DX150, LX150, SX150, VX150, LX200, or SX200 in the years listed below
3. Physical form — compare the product images with the sensor currently fitted
Identify the form from the product images: hex sensor body, slotted shield over the sensing tip, metal sealing washer under the hex, and an integral lead ending in a rectangular 2-pin connector with a black protective boot on the cable. Yamaha used more than one oxygen-sensor number across the V6 range — if your original is 65L-8592A or 68F-8592A, this is a different sensor.
Use this table to confirm equivalent part numbers across OEM and aftermarket brands. Yamaha catalogs the same sensor with a trailing -00 suffix (67H-8592A-00-00 / 67H-8592A-01-00).
| Type | Brand | Part Number | Notes |
|---|---|---|---|
| OEM | Yamaha Outboard | 67H-8592A-00 | Primary reference; also listed as 67H-8592A-00-00 |
| OEM | Yamaha Outboard | 67H-8592A-01 | Supersedes 67H-8592A-00; also listed as 67H-8592A-01-00 |
| Aftermarket | Sierra | 18-7655 | Direct aftermarket replacement |
Part numbers are listed for identification only. This is an aftermarket part manufactured by JLM Marine and is not sold as a genuine Yamaha component.
Confirm your engine model and year in the table below. For Yamaha owners: Yamaha Serial Number Guide and Yamaha Parts Diagrams. On Yamaha outboards the identification plate is on the port-side transom clamp bracket.
| Engine Model | HP | Years | Notes |
|---|---|---|---|
| DX150 | 150 | 2001–2005 | V6 2-stroke EFI |
| LX150 | 150 | 2001 | V6 2-stroke EFI |
| SX150 | 150 | 2001–2004 | V6 2-stroke EFI |
| VX150 | 150 | 2001–2004 | V6 2-stroke EFI |
| LX200 | 200 | 2001 | V6 2-stroke EFI |
| SX200 | 200 | 2001–2005 | V6 2-stroke EFI |
Match the OEM number on the sensor you remove. Adjacent Yamaha V6 oxygen-sensor families (65L-8592A / 68F-8592A) are not this listing.
| Specification | Value |
|---|---|
| Part type | Oxygen (O2 / lambda) sensor for EFI exhaust |
| Primary OEM number | 67H-8592A-00 |
| Mounting | Threaded into the exhaust housing |
| Electrical connection | Integral lead with rectangular 2-pin connector; protective boot on cable |
| Visible form | Hex body, slotted tip shield, metal sealing washer |
| Condition | New production — not remanufactured |
Allow the engine and exhaust housing to cool fully. Disconnect the battery negative cable before unplugging the sensor lead.
Note the cable routing, then unplug the connector. Unscrew the old sensor from the exhaust housing with the correct oxygen-sensor socket or wrench on the hex — do not crush the lead.
Confirm the OEM number and connector layout match this 67H-8592A-00 assembly. Thread the new sensor in by hand to avoid cross-threading, then tighten snugly on the hex. Follow the Yamaha service manual for your model for tightening and thread treatment.
Reconnect the plug until it locks, restore the battery, start the engine, and confirm there is no exhaust leak at the bung and that the EFI system runs without an oxygen-sensor fault.
Note: Professional installation is recommended to ensure safety and optimal performance.
This is an aftermarket JLM Marine replacement matched to Yamaha 67H-8592A-00. It is not a genuine Yamaha part.
No. Those are different Yamaha oxygen-sensor families used on other V6 models (including many HPDI / 65L applications). Order only if your removed sensor or catalog calls for 67H-8592A-00 or 67H-8592A-01.
Compare the product images with your removed sensor: this assembly uses an integral lead with a rectangular 2-pin connector and a black protective boot on the cable. If your harness uses a different plug shape or pin count, do not force a connection.
No. This listing is new production, not a rebuilt or remanufactured core.
We can ship to virtually any address in the world with free shipping available for most regions.
For our typical US and Canadian customers , our shipping timeframes are as follows:
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.
As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.
We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.
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