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Mercury Outboard Serial Number Lookup
Mercury Outboard Serial Number Lookup

Mercury Outboard Serial Number Lookup

Where is the serial number on a Mercury outboard?

For most Mercury outboard engines 8hp and higher, the serial number is located halfway down the transom bracket on the right (starboard) side, just below the powerhead. On 6hp and smaller engines, it's found on top of the swivel bracket.

Many boaters take a quick photo of their serial number with their phone—this simple habit can save hours of troubleshooting when ordering parts.

We highly recommend you take a picture of your ESN tag and keep the photo on your mobile phone in case the tag becomes unreadable or if you need this information when you’re not near your boat.

**Are you looking for Mercury Outboard parts and products for your specific engine? Check out PartsVu's Mercury Maintenance Parts Library. Common maintenance parts and products are presented by engine model allowing you to easily find the parts you need.**

What About a Mercruiser Serial Number?

On a Mercruiser sterndrive or inboard engine, typically, the tag is on the block near the starter. But, sometimes, it's down by the starter on the engine block, near the flywheel, or on the flame arrestor.

All too often, the ESN tag on a Mercruiser is not the easiest to find, so definitely take a picture and save it on your cell phone.

**Are you looking for Mercruiser parts and products for your specific engine? Check out PartsVu's Mercruiser category page. We've worked to make it as easy as possible to find the parts and products you need.**


Why Do You Need to Know Your Mercury Serial Number?


mercury outboard serial number lookup - righthand side of engine shaft
The placement of the Mercury serial number label varies a bit from engine to engine. However, it is typically located on the righthand side of the engine.

Simply put, your Mercury serial number will allow you to identify and order the right parts for your engine model and year.

Mercury manufactures many, many different models and often variations of each model. While one thermostat might be the proper selection for some variations of a given engine model, there’s no guarantee that it will be compatible will all variations of that engine—knowing your Mercury serial number is the key.

As if matters weren’t confusing enough, sometimes Mercury will change an engine model design midway thru a given engine model year.

Therefore, Mercury Marine parts are often segmented by serial number ranges. Knowing your serial number will allow you to make sure that you are ordering the right parts, whether you are utilizing a Mercury engine schematic/Mercury outboard parts diagrams, the Mercury parts library, the complete list of Mercruiser parts library, or other resources.

Mercury Maintenance Parts Selection Tool

How do I find out what year my Mercury outboard is by serial number?

To determine the year of your Mercury outboard, use the serial number on the engine and reference a Mercury Marine serial number-to-year chart. You can also enter the serial number into the Mercury Marine or PartsVu lookup tool to identify the exact year and model.

What is the serial number location on a Mercury 9.9 outboard?

The serial number for a 9.9hp Mercury outboard is usually located on the top of the swivel bracket, which may require tilting the motor to see clearly.

Where is the serial number on a Mercruiser engine?

It’s typically found near the starter or flywheel, or on the flame arrestor. Always take a photo of it for safekeeping.

How can I identify my Mercury outboard by serial number?

Use the serial number lookup on the PartsVu Mercury Maintenance Library or the Mercury Marine parts catalog to determine the engine model and year.

What year is my Mercury outboard motor?

Once you locate the serial number, compare it against Mercury’s official serial number/year chart, or enter it online in a lookup tool.

314 comments

Hi Robert,

Thanks for your question! I checked the serial number 6349162, but unfortunately, it didn’t yield a definitive result in Mercury’s production records. To help ensure accuracy when ordering a starter or other parts, I recommend double-checking the serial number in the following locations:

Mounting bracket on the transom clamp (usually on a metal tag or stamped plate) * Inside the top cowling (sometimes on a sticker or plate near the powerhead) Once you confirm the serial number, feel free to reach out again and I’ll be happy to help you determine the correct year and parts!

Best Regards

Markine

PartsVu,

Hi there, I cannot find anywhere what year my mercury 25 2 stroke with serial number 0N298894.
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PartsVu replied:
Hi Joel,

Thanks for reaching out! Based on the serial number 0N298894, your Mercury 25hp 2-stroke outboard is a 2018 model. If you have any other questions, feel free to reach out — happy to assist! Markine

Joel ,

greetings
I have a mercury 6hp 4 stroke, model 1F06201BL, and mark F6MH, I would like to know the year of production
———
PartsVu replied:
Hi Karic,

Thanks for your question! To accurately determine the year of production for your Mercury 6hp 4-stroke (model 1F06201BL / F6MH), we’ll need the serial number of the engine. You can usually find the serial number in these locations:

On the mounting bracket (transom clamp) * Inside the top cowling on a label or plate Once you’ve located and verified the serial number, feel free to reach back out — I’d be happy to help you identify the exact year!

Best Regards Markine

Karic,

Hi I have a pair of Mercury SeaPro 150 I am trying to find the year of? Could you help me with these serial numbers?
2B548116
2B548803
Cheers
Stuart
———
PartsVu replied:
Hi Stuart,

Thanks for reaching out! Based on the serial numbers 2B548116 and 2B548803, your pair of Mercury SeaPro 150 engines are 2018 models. If you have any other questions or need help with maintenance, parts, or setup, feel free to reach out — happy to assist!

Markine

Stuart Allan,

Hi I have a 25hp mercury outboard 2 stroke serial # 6510938 would you be able to tell me the year
———
PartsVu replied:
Hi Chelsey,

Thanks for your question! Based on the serial number 6510938, your 25hp Mercury 2-stroke outboard is a 1984 model. If you have any other questions about your motor or need help with maintenance, parts, or setup, feel free to reach out — happy to help!

Markine

Chelsey Markel,

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