Best Lawn Tractor Fuel Filter

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The fuel filter plays an essential role in keeping your lawn tractor running properly. It purifies the fuel before it goes to the combustion chamber.

If you are in the market for a durable, efficient, and easy-to-install fuel filter for your lawn tractor, then you are going to love our recommended product list.

We have dug deep and done our research, and in this article, we reveal long-lasting lawn tractor fuel filters on the market.

In a hurry? Check our top three recommendations below:

Best Lawn Tractor Fuel Filters: Top 3 Picks

Editor’s Choice
FRAM G12 In-Line Fuel Filter
FRAM G12 In-Line Fuel Filter
  • Improves engine performance.
  • Conductive plastic fuel filters meet the needs of virtually all engine configurations.
  • Easy to install
Best Budget
John Deere AM116304 Fuel Filter
John Deere AM116304 Fuel Filter
  • Easy to install.
  • Prevents harmful debris from entering into the engine.
  • Tested for durability and safety.
Highest Rated
K&N 81-0300 Replacement Fuel Filter
K&N 81-0300 Replacement Fuel Filter
  • For non-fuel injected applications.
  • Clear housing for easy viewing.
  • Requires no special tools or skills for installation.

1. FRAM G 12 In-Line Fuel Filter

The FRAM G 12 improves the engine performance and emission. The easy-to-install filter fits a 5/16 hose.

Pros:

  • The FRAM G 12 in-line fuel filter is easy to install.
  • The fuel filter has a clear housing to detect the accumulation of dirt.
  • It improves the engine performance and emission.

Cons

  • The plastic material may get cracked after a short time.

A user commented that it works incredibly well once you get installed. The G 12 model enhances a superb fuel flow and lasts longer than small ones.

The in-line fuel filter is reasonably-priced and it has a clear housing feature that makes it easy to detect the accumulation of dirt. 

Its conventional stainless steel and conductive plastic fuel filters meet the needs of virtually all engine configurations.

2. AUTOKAY Lawn Mower ¼” Inline Gas Fuel Filter Replacement

The AUTOKAY lawn mower fuel filter is compatible with a wide range of  Briggs and Stratton John Deere, Toro, Craftsman and Cub Cadet lawn mowers.

Pros:

  • The AUTOKAY fuel filter is sturdy and easy to install.
  • The filter works well to keep the gas clean.
  • It is well-liked for its good quality and great value.

Cons

  • No drawback worthy of note.

It has a tip-to-tip dimension of 1 ¾ inch and a diameter of 1- ¼ inches. The filter works well to keep the gas clean and its fuel flow is bi-directional. Some users liked it for its good quality value, sturdiness and easy installation.

3. FRAM G3 in-Line Fuel Filter

The FRAM G3 in-Line Fuel Filter helps to improve the lawn tractor’s engine performance.

Pros:

  • The FRAM G3 fuel filter helps to improve lawn mower engine performance.
  • It performs incredibly well to keep harmful particles from reaching the engine.
  • The in-line fuel filter is sturdy and easy to install.

Cons

  • A user complained that the fuel filter is foggy.
  • The plastic canister may become soft and pliable.

Its conventional stainless steel and conductive plastic fuel filters meet the needs of virtually all engine configurations.

The in-line fuel filter is easy to install and also offers an outstanding value for your money. It works well to keep harmful particles from reaching your engine.

4. ATVATP 4X 494768 Shut Off Valve for ¼” Fuel Line

The fuel filter is easy to use and install. The ATVATP 4X 494768 offers a 4x shut-off valve, 4x fuel filters, 2 feet fuel line, 8x clips which works perfectly for a top-notch performance.

Pros:

  • It is made of high-quality materials
  • The fuel filter is easy to use and install.
  • The ATVATP 4X 494768 offers valves, fuel filters and fuel lines for a superb performance.

Cons

  • The clips are too big.
  • Some users complained that the shut-off valve leaks when open.

The fuel filter is made of high-quality materials and it is a perfect fit for a ¼-inch fuel line. In addition, it offers an outstanding value for your money.

5. K&N 81-0300 Replacement Fuel Filter

The K&N 81-0300 replacement fuel filter can be used with 5/16- and 3/8-inch fuel lines. This inline filter has a glass body for quick and clear viewing of any debris trapped in the mesh.

Pros:

  • The K&N replacement fuel filter does not require special tools and skills for its installation.
  • The 81-0300 model is reasonably priced.
  • Its inner mesh filter is replaceable, saving time and money.
  • The fuel filter has a glass body to enable you to have a clear view of any debris that is trapped in the mesh.

Cons

  • The fuel filter leaks.
  • Some users complained that the glass tube is too long.

It is designed for non-fuel injected applications and does not require special skills or tools for its installation.

6. APE RACING Inline Fuel Filter Replacement

The APE RACING Inline fuel filter is a perfect and easy replacement for ¼-inch fuel lines. It has a double-length for higher flow.

Pros:

  • The fuel filter has a wide range of applications for tractors, lawn mowers and other garden equipment.
  • It provides durability and reliability for top performance.
  • It is easy to install.
  • The APE RACING in-line fuel filter works well to prevent dust from going to the cylinders.

Cons

  • Some users noted that the hose barbs can break off while sliding the fuel hose on it.
  • Cheap and weak plastic design.

The inline fuel filter has a wide range of applications for lawn mowers, small tractors, motorcycles, snowmobiles, generators and garden equipment.

It is well-liked for its sheerness, outstanding value, durability and reliability. 

Furthermore, the fuel filter is easy to install. The APE RACING fuel filter works to prevent any dust or sediments from going to the cylinders.

7. John Deere AM116304 Fuel Filter

The John Deere AM116304 fuel filter prevents harmful debris from entering the engine. In addition, it enhances improved engine performance.

Pros:

  • The John Deere AM116304 fuel filter enhances improved engine performance.
  • It is tested for durability and safety.
  • The fuel filter prevents debris from entering the engine.

Cons

  • A user complained that the filter material is not thick.

The fuel filter has a product height of 1.75 inches and a width of 5.5 inches, and it is backed by 6-month warranty service.

The AM116304 model fits into John Deere models such as D100, 190C, Z335E, Z375R and Z535M. It is also tested for safety and durability.

Final Verdict

The FRAM G 12 in-line fuel filter is our top pick for lawn tractors because it ranks #1 when it comes to easy installation, reasonable price and efficiency. It helps to improve the engine performance and emission. 

The in-line fuel filter is cheap to replace, and its clear housing feature makes it easy to detect the accumulation of dirt. 

Its conventional stainless steel and conductive plastic fuel filters meet the needs of virtually all engine configurations.

Editor's choice
FRAM G12 In-Line Fuel Filter
  • Improves engine performance.
  • Conductive plastic fuel filters meet the needs of virtually all engine configurations.
  • Easy to install

Buying GuideFactors to Consider Before Buying a Lawn Tractor Fuel Filter

If you are in the market for an efficient and durable fuel filter for your lawn tractor, there are some factors to consider. Here are some of them:

Auto-Prime Feature

If you reside in an area where there are extended winter periods, it is advisable to get a fuel filter that has an auto priming feature. The auto prime feature will be able to build fuel pressure on its own.

Easy to Remove

It is important to get a fuel filter that can be easily removed for cleaning and replacement. A clean fuel filter will enable the fuel to flow properly. This will enhance easy starting and extended engine life.

Compatibility

This is also another factor to consider when buying a fuel filter for your tractor. Ensure that you get a filter that is compatible with your lawn tractor or else it won’t fit or work properly.

How Do I Know If my Lawn Mower Fuel Filter is Clogged?

A clogged lawn mower fuel filter may have a negative effect on the engine’s health. It might make your lawn mower splutter or stall when accelerating. Here are six signs of a clogged fuel filter:

The Engine Fails to Start

A clogged fuel filter may make your lawn mower engine not start. If you notice that your engine jerks or fails to start, check the fuel filters for partial or complete clogging.

Smelly Fumes

Clogged filters may cause the engine to produce fumes with a bad smell. Ensure that you clean them or replace them if necessary to do so.

Physical Diagnosis of the Fuel Filter

You can know the signs of a bad fuel filter if you physically diagnose your mowing machine. To do this, blow air through the fuel-in-nozzle. 

If the air does not come out through the fuel-out nozzle, the fuel filter is clogged. The practical fix to this issue is to clean or replace the fuel filter.

The Engine is Misfiring Randomly

A clogged fuel filter may cause the injectors not to get enough fuel, making the engine misfire. If you notice this, diagnose the filters for clogging.

Lawn Mower Engine Stalls When Accelerating

During acceleration, more gas goes through the filter and into the combustion chamber. If the fuel filter is clogged, it can make your lawn mower engine lose its power and stall when accelerating.

It prevents enough free flow to the engine, causing it to stall when you are mowing at a high speed. It is important to inspect the lawn mower for debris and other particles such as dust and rust.

No Engine Power

A clogged fuel filter can disable the free flow of free to the injectors, causing the engine to lose power. To fix this, you need to park the machine and inspect the fuel filters for clogging.

If you own a modern lawn mower, you will notice an error code on the dashboard. This usually happens when the lawn mower engine goes into limp mode.

It is advisable not to overrule the possibility of faulty injectors and other components that connect the filters to the carburetor and engine. Carry out a proper diagnosis on other components that connects the fuel filters to the carburetor and engine.

Should a Lawn Mower Fuel Filter Be Full?

Yes, the fuel filter of your lawn mower should be full. Inadequate fuel in the filter will hamper the performance of the lawn mower. This situation signals a lack of enough fuel in the combustion chamber.

When the fuel filter is clogged with dirt, enough fuel does not go through, causing the engine to stall. Ensure that you check for defective filters if the mower starts to stall.

How Do You Change a Fuel Filter on John Deere E100 Lawn Tractor?

Here are some steps to change the fuel filter on your John Deere E100 lawn tractor:

  • Lower down the clamps from the hose so that you can easily remove the fuel filter.
  • Pin the bottom part of the hose with your vice grips.
  • Twist and remove the old fuel filter from the hose.
  • Before attaching a new filter, keep it in mind that a free flow is important. Check the area that shows the free flow from the tank to the engine and attach the new one with the area facing up and fix it properly to the hose
  • Release the vice grips and tighten the clamps to their normal position.

Frequently Asked Questions

Does the Size of the Lawn Tractor Fuel Filter Matter?

It is advisable to buy the standard size for your tractor because larger ones may not provide any better performance.

How Do You Install a Lawn Tractor Fuel Filter?

The first thing to do is to loosen the gas cap and unscrew the old filter from the tank. After that, discard the old one. Wrap the new one around your hand or cloth and screw it onto the top of the barrel.

Tighten it until it is snug enough to accept fuel without leaking. If you notice any popping or cracking noise as a result of the tightening, re-adjust it so that there won’t be any leaking of fuel vapors.

What Does “Free Flow” Mean on a Lawn Tractor Fuel Filter?

A free-flowing fuel filter means that it can easily pass through with little or no restriction. In addition, it helps to keep dirt and water out of the engine.

How Often Should I Change Fuel Filter on John Deere D100 Series Lawn Tractor?

We recommend that you change the fuel filter of your John Deere D100 series lawn tractor every 50 hours or once per mowing season.