Which is the best outboard fuel filter/water separator?

Finding your suitable outboard fuel filter/water separator is not easy. You may need consider between hundred or thousand products from many store. In this article, we make a short list of the best outboard fuel filter/water separator including detail information and customer reviews. Let’s find out which is your favorite one.

Best outboard fuel filter/water separator

Product	Features	Editor's score	Go to site
	Aluminum Marine Fuel Water Separating Filter 3/8 Inch NPT Port for Outboard Motor Mercury 35-60494-1 Reusable Bowl Anti Corrosion 10 Micron Filter(Include Four Fittings)		Go to amazon.com
	Moeller Water Separating Fuel Filter System (3/8" NPT, Cast Aluminum, Universal/Mercury/Yamaha)		Go to amazon.com
	SeaSense Fuel Filter Kit with Clear Bowl And Aluminum Head		Go to amazon.com
	iFJF New Automotive Parts R12T for Fuel Filter/Water Separator 120AT NPT ZG1/4-19-Complete Combo		Go to amazon.com
	Moeller Clear Site Water Separating Fuel Filter System for outboard Motors (3/8" NPT, Composite)		Go to amazon.com
	Replacement S3213 18-7932-1 18-7932 Fuel Water Separator Filter Kit Assembly		Go to amazon.com
	Sierra 18-7852-2 Fuel Water Separator Filter (Bonus Pack)		Go to amazon.com
	Yamaha Outboard MAR-FUELF-IL-TR 10-Micron Fuel Water Separating Filter 90GPH		Go to amazon.com
	Sierra International 18-7983-1 Marine Fuel Water Separator Kit		Go to amazon.com
	Quicksilver 802893Q4 Water Separating Fuel Filter - Mercury and Mariner Outboards and MerCruiser Stern Drive and Inboard Engines		Go to amazon.com

1. Aluminum Marine Fuel Water Separating Filter 3/8 Inch NPT Port for Outboard Motor Mercury 35-60494-1 Reusable Bowl Anti Corrosion 10 Micron Filter(Include Four Fittings)

Feature

Material:The filter is made of aluminum. Anti-oxidation/corrosion. Long service life.
Features:10 micron filters are over 90% efficient at removing particles as small as 10 microns. 10 micron filters are recommended to prevent damage to sensitive inboard, sterndrive and outboard fuel injection systems.
Usage:Designed to trap the smallest particles and emulsified water from gasoline.
Function:It contributes to clear contaminates protect fuel system.Function:It contributes to clear contaminates protect fuel system.Well sealed, Perfect water Fuel separating performance.
Water separating canisters:High performance 3/8 NPT ports offer lower pressure drop rates.

Description

Replaces Mercury 35-60494-1 and Universal.

To replace element:
1.Drain the unit by loosens the drain screw.
2.Loosen and remove the filter element.
3.Loosen and remove the bowl from filter element.Please note the bowl is reusable,do not dispose unless broken.
4.Wipe O-ring gland clean,and coat bowl's sealing O-ring with clean oil or grease and place it back to the gland.The tighten the bowl onto filter element firmly by hand.
5.Coat filter element's sealing O-ring with clean oil or grease and attach filter element onto filter head,and the tighten securely by hand.
6.Run engine and check for fuel leakage.

Attention:
1.Make sure you remove both the filter and the filter bowl from the mounting housing and put a light film of fuel on the o-rings.As delivered it will leak without the lubrication to allow for the proper crush.
2.For diesel transfer tank to filter the fuel before it enters the main tank, Only thing is you have to make sure to get the proper sealant for the threads. For The First time installation, In order to avoid any leaking at the threads. You'd better get some thread paste since the tape might plug the injectors if it were to come loose.

Instructions
To Drain Water:
1.Loosen drain screw to drain bowl of water.
2.Tighten drain screw.
3.Run engine and check for fuel leakage.

Safety Warning:
Periodically check fittings and filter element for leaks.Be careful when changing fuel filter element .Gasoline is extremely flammable and highly explosive under certain conditions.Avoid spilling gasoline.Always stop engine and do not smoke or allow open flames in the area while changing filter element.

2. Moeller Water Separating Fuel Filter System (3/8" NPT, Cast Aluminum, Universal/Mercury/Yamaha)

Feature

SAME-DAY SHIPPING on all orders placed by 11am EST. Delivery delays may vary depending on the carrier. FREE SHIPPING on orders over $99.99
Compatible Brand: Mercury, Yamaha, Universal
Fuel Type: Gasoline
Number: 742004Enhanced corrosion protection options: Features:
Water separating canisters ensure no other contaminates or rust will contribute to a blocked fuel system

Description

MOELLER MANUFACTURING CO 033320-10 UNIV (MEC/YAM) WATER SEP FUEL FILTER WITH BARBS CANISTER AND

3. SeaSense Fuel Filter Kit with Clear Bowl And Aluminum Head

Feature

50052116 Fits: RACOR B32013 MERCURY 35-60494-1 SIERRA 18-7845
* Will not separate 2-cycle oil from gasoline * Not for use with diesel engines, outboard motors only

Description

Water Separating Fuel Filter w/Reusable Bowl & Alum. Head

4. iFJF New Automotive Parts R12T for Fuel Filter/Water Separator 120AT NPT ZG1/4-19-Complete Combo

Feature

For R12T Marine Fuel Filter / Water Separator complete assembly.NPT,ZG1/4-19
The filter units are coated with a durable electrostatically applied powder coating for superior corrosion resistance.
This spin-on filter design is simple to replace and the reusable clear nylon collection bowl and features a self-venting drain for removing unwanted muck and water.Tighten the valve, the water will not discharge. Release the valve, the water can be free to discharge.
Filters are designed for high performance applications, and with flow rate of 30 GPH on the R12T model, your engine will perform better than ever with clean, water-free fuel.
Don't be caught in the water without one of these diesel spin-on filters.

Description

Our products can be used as gifts to your family or friends.

Maximum Flow Rate 30 GPH (57 LPH)

Filter Rating 10 Micron

Port / Connecting Size M18 X 1.5 Center Thread

Product details:
1.Don't be caught in the water without one of these gasoline spin-on filters.
2.Filters are designed for high performance applications, and with flow rate of 30 GPH on the R12T model, your engine will perform better than ever with clean, water-free Fuel.
3.The inlet and out let can be feed in on the same side or in one side out the other side.

R12T water separator and filter complete combo installation instruction:
1.Nylon collection bowl down when installed the water separator and filter.
2.This filter has four ports, two inputs and two outputs. We provide two plugs for the extra two ports. If you need to use two plugs, you must install them to the filter and tighten them.
3.Before installing the filter, you have to remove those plugs, teflon-tape them, and re-install them.Prevent leaks from these plugs.
4.All of the above steps are very simple to operate, you can manually disassemble, and then use the tool to install tighten.

5. Moeller Clear Site Water Separating Fuel Filter System for outboard Motors (3/8" NPT, Composite)

Feature

MOELLER 03331410
Outboard engine use only!

Description

033314-10 Features: -Composite fuel filter clear bowl kit. -Water separating canisters. -High performance 3/8 NPT ports offer lower pressure drop rates. -Designed to trap the smallest particles and emulsified water from gasoline. Product Type: -Tools. Use: -Filter. Generic Dimensions: -10.25" H x 14" W x 19" D, 24 lbs. Dimensions: Overall Height - Top to Bottom: -10.25 Inches. Overall Width - Side to Side: -14 Inches. Overall Depth - Front to Back: -19 Inches. Overall Product Weight: -24 Pounds.

6. Replacement S3213 18-7932-1 18-7932 Fuel Water Separator Filter Kit Assembly

Feature

Fuel Water Seperator Assembly with Clear Bowl 18-7922 And Aluminum Bracket 18-7853-1
Brand New Aftermarket Product
High Quality Material Ensure High Performance
Durable,Good StabilityLong Service Life
Outboard Motors Use Only

Description

18-7932-1 18-7932 Marine Fuel Filter Water Separator Assembly Including 1*18-7919 filter,1*18-7853-1 bracket,1*18-7922 Clear Bowl,2*18-4256 1/4" pipe plugs. For Application:Marine Racor,Mercury

7. Sierra 18-7852-2 Fuel Water Separator Filter (Bonus Pack)

Feature

Sierra Fuel Water Separator Kit
Contains 18-7845 Fuel Filter, 18-7853-1 Fuel Water Separator Bracket, 18-4256 Pipe Plug
Sierra part number: 18-7852-2
Interchangeable with the following: Yamaha MAR-SEPAR-AT-OR

Description

Sierra fuel water separators remove over 99.8% of emulsified water from your gasoline. All filters flow at 90 GPH to feed even the hungriest motor. Prevent damage to sensitive inboard, sterndrive and outboard fuel injection systems. Rating: 21 Micron. Size: 1/4".

8. Yamaha Outboard MAR-FUELF-IL-TR 10-Micron Fuel Water Separating Filter 90GPH

Feature

Genuine Yamaha Outboard Fuel/Water Separating Filter
Used on most two and four-stroke Yamaha Outboards
High performance 90 GPH - 10 Micron Filter
First in the line of defense against ethanol fuels
Models of 115 hp or less may require the MAR-MINIF-IL-TR filter

Description

Check out these genuine Yamaha MAR-FUELF-IL-TR Fuel/Water Separating Filters. When it comes to the lifeblood of your recreational vehicle, why take chances with a substitute manufacturer? Give your investment the protection it deserves with authentic Yamaha outboards. *Yamaha outboard models of 115 HP or less may require the MAR-MINIF-IL-TR Fuel/Water Separating filter. This is completely up to the boat manufacturer and dependent on available space in the boats transom. If you are unsure, please check your current set-up before purchasing. Thanks!

9. Sierra International 18-7983-1 Marine Fuel Water Separator Kit

Feature

Replaces Mercury - 35-802893A4, Q4, 35-60494A4
Contains 1 - 18-7944 and 1 - 18-7853-1
73

Description

Sierra fuel water separators remove over 99.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 microns. All filters flow @ 90 GPH to feed even the hungriest motor. Sierra 10 micron filters are recommended to prevent damage to sensitive inboard, sterndrive and outboard fuel injection systems. Contains: 1 - 18-7944 and 1 - 18-7853-1 Replaces: Mercury - 35-802893A4, Q4, 35-60494A4

10. Quicksilver 802893Q4 Water Separating Fuel Filter - Mercury and Mariner Outboards and MerCruiser Stern Drive and Inboard Engines

Feature

25 micron filtering elements remove damaging or performance robbing fuel born contaminants
Produced to meet Mercury Marine original equipment manufacturer specifications to best protect your engine
Polyester/cellulose/glass fiber with phenolic binder coated with silicon
For Mercury, Mariner and Force outboards plus MerCruiser Stern Drive and Inboard Engines

Description

This replacement water separating fuel filter can be used on all Mercury Marine outboards (Mercury, Mariner or Force) and all MerCruiser Stern Drive and Inboard engines except 1992 MerCruiser 4. 3L Gen II engines equipped with an in-line fuel filter and not on 1. 6L Vazer engines. Dont let water moisture or other fuel contaminants rob horsepower from your engine. Filter those particles before they can get to your engine. Includes replacement filter and rubber gaskets for installation. The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement engine parts, oils, and accessories, but also works to serve all Original Equipment brands in the marine and power sports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind.

Conclusion

All above are our suggestions for outboard fuel filter/water separator. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using outboard fuel filter/water separator with us by comment in this post. Thank you!