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Briggs and Strartton in-line fuel filter with 40 micron rating and 1/4" inlet & outlet. If the engine does not start then the fuel filter may be clogged and not allowing enough fuel to enter the carburetor.

Briggs & Stratton in-line fuel filter. The filter screen is on the large side of the housing. The port on the large side goes to the fuel tank while the port on the small side of the housing goes to the carburetor.

Briggs & Stratton in-line fuel filter. If the fuel filter is clogged, it will restrict the flow of fuel to the carburetor. As a result, the engine may not start.

Fuel filter & fuel line kit. If the fuel filter and fuel line are clogged, they will restrict the flow of fuel to the carburetor. As a result, the engine may not start.

In-line fuel filter

Filter, fuel

In-line fuel filter 51 Microns

In-line fuel filter

In-line fuel filter 9 to 12 Microns

In-line fuel filter

Filter-fuel

In-line fuel filter

In-line fuel filter 75 Microns

Kohler Fuel Filter. (Display-Blister Pack) See recommended related item for the boxed version.

Filter-fuel
The fuel filter is your Toro mower's first defense against carburetor damage and engine fouling. Over time, sediment, varnish, and water accumulate in the fuel system, clogging the filter and starving the engine of clean fuel. Toro fuel filters are precision-engineered to trap microscopic particles while maintaining adequate flow — keeping your mower starting reliably and running smoothly through every season.
Trust Repair Clinic for genuine Toro lawn mower parts that protect your investment and restore peak fuel system performance.
Replace your Toro fuel filter annually or every 50-100 hours of operation, whichever comes first. If your mower has been stored with fuel in the tank for more than a season, replace the filter before starting to prevent varnish buildup from blocking the carburetor. Fresh fuel and a clean filter keep your mower reliable year-round.
Old gasoline breaks down and leaves varnish deposits. Water condensation in the fuel tank promotes rust and corrosion. Debris from the fuel tank or contaminated fuel can also accumulate in the filter. Stale fuel is the leading cause — always use fresh fuel and replace the filter if your mower has sat idle for more than a month.
Fuel filters are designed for single-use replacement, not cleaning. Attempting to clean a fuel filter risks damaging the internal media and may not remove all varnish or sediment. Always install a genuine OEM Toro fuel filter replacement — the cost is minimal compared to carburetor repair.
Most Toro mowers have an inline fuel filter mounted on the fuel line between the tank and carburetor, often visible on the underside or side of the mower. Some models use a bowl filter under the carburetor float bowl. Consult your model number in the manual to locate your specific filter assembly and access the fuel shut-off valve if needed.


Maintain your Toro Lawn Mower's performance with genuine OEM fuel filter replacement parts from Repair Clinic. Changing your lawn mower's fuel filter is key for preventing debris from entering the engine, ensuring efficient fuel flow and engine longevity. Use our model number lookup to find the precise fuel filter for your Toro Lawn Mower, and benefit from same-day shipping, our No-Hassle 365-Day Returns, and a Price Match Guarantee. For installation tips and troubleshooting, visit our Lawn Mower Repair Help page. Browse other Lawn Mower Parts for all your repair needs.
Toro prints the model number on a label or metal plate, commonly on the mower deck or frame near the blade housing. Check the engine housing as well, and if you have a riding mower, look under the seat or on the rear fender. The number may appear alongside a serial number, so copy it exactly, including letters, numbers, and hyphens. Enter it in the model number search to pull up the parts matched to your unit. Using the complete Toro model number narrows the full catalog to parts designed for your mower, not just one part category. That means fewer wrong orders and a faster repair.

Regular filter replacement is one of the simplest ways to keep your Toro Lawn Mower running efficiently. Repair Clinic stocks OEM filters for a wide range of appliances, ready to ship, along with installation videos and part diagrams. Use the model number lookup to confirm the exact filter for your unit, then order a few to keep on hand for scheduled service intervals.

Repair Clinic has five ways for you to stop your lawn mower from leaking gas. Before we get to those, let's review how the gasoline you pour into the tank powers the mower.

Why does your lawn mower battery keep dying? Repair Clinic has done the research and this article will provide some answers, starting with what a battery's purpose is on a gas-powered lawn mower.

What's causing that black smoke to billow out of the engine? There are three likely reasons and they are all related to how a gas-powered lawn mower engine operates.