John Deere Marine Engine Parts FAQ: Finding the Right Part for Your Engine
Finding a John Deere marine engine part isn't always as simple as searching for the engine number.
Take the John Deere 6068 as an example.
We might receive an inquiry saying:
“Hi, I need a water pump for a John Deere 6068. Can you supply it?”
Usually, the answer is yes — but first we need to know a little more about the engine.
Is it a 6068AFM85? A 6068SFM85? Do you have the engine serial number? Is there still a part number visible on the old pump?
These details can make the difference between identifying the right part and ordering something that looks correct but doesn't actually fit.
So, rather than giving you another long list of John Deere parts, we've put together answers to some of the questions that actually come up when people are looking for John Deere marine spare parts.
For the complete engine range, you can also browse our John Deere Marine Engine Parts catalogue.
Which John Deere Marine Engines Can You Supply Parts For?
We can source parts for a wide range of current and older John Deere marine diesel engines.
Some of the main engine families we work with include:
- John Deere 4045 Marine Engine Parts
- John Deere 6068 Marine Engine Parts
- John Deere 6081 Marine Engine Parts
- John Deere 6090 Marine Engine Parts
- John Deere 6125
- John Deere 6135 Marine Engine Parts
These engines are found in everything from workboats and fishing vessels to commercial craft, auxiliary installations and marine generator sets.
If you're not sure which engine you have, don't worry. A clear photograph of the engine identification plate is often a very good place to start.
I Have a John Deere 6068. Is That Enough to Find My Part?
Sometimes it is. Sometimes it isn't.
The John Deere 6068 is an engine family rather than one single engine configuration.
You might have a 6068AFM85, 6068SFM85, 6068TFM75 or another version.
That becomes important when you're looking for parts such as a water pump, injector, turbocharger, sensor or cooling-system component.
So if you send us:
“John Deere 6068 water pump required.”
We'll probably come back asking for the serial number.
If instead you send:
John Deere 6068AFM85
Serial number: XXXXX
Water pump required
Existing part number: XXXXX
we have a much better starting point.
And if you can't read the number on the old pump, send us a few photographs.
What Parts Are Commonly Needed for a John Deere 6068?
The 6068 is a very common John Deere engine family, so there is a broad range of maintenance and repair parts associated with it.
Typical requirements include:
- Fuel injectors
- Water pumps
- Fuel filters
- Oil filters
- Turbochargers
- Cooling-system parts
- Cylinder heads
- Head gaskets
- Pistons and liners
- Main and connecting-rod bearings
- Sensors
- Starter motors
- Alternators
- Gaskets and seals
- Overhaul components
The important thing is not to assume that every 6068 uses exactly the same components.
If you're looking for something specific, visit our John Deere 6068 Marine Engine Parts page or send us the engine details directly.
What About the John Deere 4045?
The John Deere 4045 is the smaller four-cylinder 4.5-litre family.
These engines are used in a range of marine applications, and we regularly see requirements for things such as:
water pumps, injectors, filters, turbocharger components, thermostats, belts, sensors, gaskets, pistons, liners, bearings, starters and alternators.
Again, the full model helps.
If you've got a 4045AFM85, tell us that rather than simply saying “4045.”
It saves time and gives us more information to work with from the beginning.
Are Parts Still Available for Older John Deere 6081 Engines?
The John Deere 6081 is an older engine family, but plenty of these engines are still working.
That's normal in the marine industry. A well-maintained engine can remain in service for many years.
For an older 6081, you may be looking for an injector, water pump, turbocharger, cylinder component, bearing, gasket or another overhaul part.
This is where the old part number becomes especially useful.
If the number has disappeared after years in the engine room, take a few clear photos and send the engine serial number as well.
We'll have more to work with than just:
“John Deere 6081 pump.”
What Parts Can You Supply for a John Deere 6090?
The John Deere 6090 is the six-cylinder 9.0-litre family.
Typical requirements include fuel-system parts, injectors, water pumps, turbochargers, cooling-system components, cylinder heads, pistons, liners, bearings, gaskets, sensors and overhaul components.
You may also come across different marine configurations such as the 6090AFM and 6090SFM.
If you're searching for something like a John Deere 6090 fuel injector, send us the injector number as well as the engine details whenever possible.
It's much safer than matching an injector purely from a photograph.
And What About the John Deere 6135?
The John Deere 6135 is the larger six-cylinder 13.5-litre family.
Parts requirements can range from normal service components to major engine parts, including injectors, fuel-system components, turbochargers, water pumps, cylinder heads, pistons, liners, bearings, gaskets and overhaul components.
There are different 6135 configurations, including AFM, SFM and HFM applications.
So if someone asks:
“Do you have a water pump for a 6135?”
our answer may simply be:
“Send us the full engine model and serial number and we'll check it.”
That's much better than guessing.
Do You Have Examples of Real John Deere Marine Part Numbers?
Yes. Here are a few genuine John Deere references used in selected marine applications:
| Part NumberDescriptionSelected Applications | ||
| RE569826 | Duplex fuel filter kit | 4045, 6068, 6090 & 6135 |
| DZI01225 | Duplex fuel filter kit adapter | Selected 6135 |
| RE569330 | Metal fuel system kit | Selected 4045 & 6068 |
| RE564160 | Metal WIF sensor | Selected 4045, 6068, 6090 & 6135 |
There's something important to understand about a table like this:
Don't order a part simply because your engine family appears beside it.
These are examples of applications. The individual engine configuration should still be checked.
Does RE569826 Fit My John Deere Engine?
This is a good real-world example.
John Deere lists the RE569826 duplex fuel filter kit for selected marine engines including:
4045AFM85 and 4045SFM85
6068AFM85 and 6068SFM85
6090HFM85, 6090AFM85 and 6090SFM85
6135HFM85, 6135AFM85 and 6135SFM85
But there's another detail.
For applicable 6135 installations, John Deere also specifies the DZI01225 adapter.
This is exactly why we don't like answering a parts question based only on:
“It's for a John Deere 6135.”
Give us the complete engine information and we can check the requirement properly.
Can One John Deere Part Fit Several Different Engines?
Yes, and that's actually quite common with certain components.
For example, the RE564160 metal WIF sensor is listed for selected 4045, 6068, 6090 and 6135 marine applications.
But be careful with that information.
It doesn't mean a water pump from a 4045 will fit a 6068, or that a 6090 injector belongs in a 6135.
Some components are shared. Others aren't.
That's why we check the actual part number rather than assuming interchangeability.
Can I Use a John Deere Tractor Part on My Marine Engine?
This is a question worth asking because John Deere engines are obviously used in much more than boats.
The answer is:
Maybe — but don't assume it fits.
The basic engine family may be related, but marine installations can have different cooling systems, exhaust arrangements, turbochargers, electrical components, sensors and accessories.
A component can even look almost identical and still have a different specification.
If you've found a cheaper tractor or industrial part online and think it may fit your marine engine, send us the part number.
We can check the reference rather than guessing from appearance.
Where Can I Find the Part Number on My John Deere Engine Part?
Start with the old component.
Clean the area carefully and look for:
- A printed label
- Stamped numbers
- Engraved numbers
- A small identification plate
- Casting numbers
- Manufacturer references
Sometimes the number is obvious.
Sometimes it's underneath years of oil, paint and engine-room dirt.
If you find several numbers and don't know which one is the actual part number, take a photograph and send them all.
Don't worry about deciding which number is correct yourself.
Can You Find a John Deere Part From a Photograph?
Sometimes a photograph gives us exactly the clue we need.
But there's a big difference between sending one close-up picture of an unidentified pump and sending useful identification photos.
If possible, send:
A photo of the complete part
A close-up of every number or label
The mounting points
Hose or pipe connections
Electrical connectors, if applicable
A wider photo showing where the component sits on the engine
And most importantly:
A photograph of the engine identification plate.
Those extra pictures can save several emails back and forth.
Where Do I Find My John Deere Engine Serial Number?
Look for the engine identification plate or serial-number information attached to the engine.
Take a clear photograph rather than trying to copy everything by hand.
That way we can see the full model designation as well as the serial information.
This is particularly useful if you're not sure whether you're looking at a 6068AFM85, 6068SFM85 or another version.
What's the Difference Between a John Deere 4045, 6068, 6090 and 6135?
At a basic level:
| EngineCylindersApprox. Displacement | ||
| John Deere 4045 | 4 | 4.5 L |
| John Deere 6068 | 6 | 6.8 L |
| John Deere 6090 | 6 | 9.0 L |
| John Deere 6135 | 6 | 13.5 L |
They're different engine families, so don't assume their parts are interchangeable.
If you'd like to learn more about the engines themselves rather than individual parts, read our John Deere Marine Engine Types & Applications guide.
Do You Supply Genuine, OEM and Replacement John Deere Parts?
Depending on the component and availability, Alfa Marine Spare Parts can source genuine, OEM-quality and selected replacement parts for John Deere marine engines.
That can be something as simple as a filter or gasket, or a larger requirement involving injectors, pumps, turbochargers, cylinder components or overhaul parts.
If you have a preferred condition or manufacturer, mention it in your inquiry.
For the complete range, browse our John Deere Marine Engine Parts catalogue.
You can also browse our Marine Spare Parts Catalogue.
What Should I Send When Asking for a Quote?
You don't need to write a long email.
Something like this is perfect:
John Deere 6068AFM85
Serial number: XXXXX
Water pump required
Part number: XXXXX
Quantity: 1
Delivery: Rotterdam, Netherlands
Attach a few photographs if you have them.
That's it.
If you don't know the part number, just say so and include photographs.
Do You Ship John Deere Marine Parts Worldwide?
Yes.
We supply marine engine parts internationally to vessel owners, shipyards, repair companies, marine engineers, commercial operators and other marine customers.
Whether the vessel is alongside in Europe, operating in the Middle East, working in the Americas or somewhere else, include the delivery country, city or port when you contact us.
That allows us to consider the delivery requirement together with the parts inquiry.
Related John Deere Marine Engine Pages
If you already know which engine you have, go directly to the relevant page:
- John Deere 4045 Marine Engine Parts
- John Deere 6068 Marine Engine Parts
- John Deere 6081 Marine Engine Parts
- John Deere 6090 Marine Engine Parts
- John Deere 6135 Marine Engine Parts
- John Deere Marine Engine Parts Catalogue
Need a John Deere Marine Engine Part?
If you're looking for a John Deere water pump, fuel injector, turbocharger, filter, sensor, cylinder head, piston, liner, gasket set or overhaul component, send us what you have.
Ideally, include:
Engine model
Engine serial number
Existing part number
Part description
Quantity
Delivery location
And if some of that information is missing, that's fine — send clear photographs of the engine plate and existing component.
We'll use the information available to help identify the requirement.