Best Lawn Mower Transmission Filters of 2025

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Lawn mower transmission filters are an essential component for maintaining the longevity and efficiency of your lawn mower. These filters are designed to prevent dirt, debris, and other contaminants from entering the transmission system, which can cause damage and reduce performance. By keeping the transmission fluid clean and free of impurities, these filters help ensure smooth and reliable operation of your lawn mower. Whether you have a residential or commercial lawn mower, investing in a high-quality transmission filter can help extend the life of your equipment and save you money in the long run.
At a Glance: Our Top Picks
Top 10 Lawn Mower Transmission Filters
Stens 120-738 PK2 Transmission Filters
Stens Transmission Filters are designed to replace various brands' filters such as Ariens, Bad Boy, and Exmark. They fit models like Exmark Phazer and Quest Ferris IS600Z, providing compatibility and ease of use. With a thread size of 3/4"-16, an outer diameter of 2 11/16", and a height of 3", these filters come in a pack of 2. Keeping your lawn mower's transmission in top condition, these filters ensure smooth operation and prolong the lifespan of your equipment.
Oregon Transmission Lawn Mower Oil Filters
Oregon Mower Oil Filters are designed to fit various brands with hydro-static transmission. With a size of 3-3/4" H, 3-3/16" OD, and 2-13/16" seal OD, these filters ensure a proper fit. The mounting thread of 3/4"-16 and a micron value of 28 provide efficient filtration. These filters are replacements for a wide range of models, including MTD, Ariens, Cub Cadet, and more, making them versatile and convenient for your lawn mower needs.
Stens 120-380 Transmission Filter
The Stens Transmission Filter is designed to replace the OEM part Ayp 142912, making it compatible with various Ayp, Sears, and Craftsman mowers. With an outside diameter of 3 inches and a height of 3.5 inches, this filter fits seamlessly into your mower. It features a 10-micron filtration system that effectively traps contaminants, ensuring cleaner operation. The built-in 18-22 psi pressure relief valve helps maintain optimal pressure, while the anti-drain valve prevents oil leaks, giving you peace of mind during use. This filter is essential for keeping your mower running smoothly and efficiently.
Scag Hydraulic Transmission Filter Element for Lawn Mowers
Scag Mower Filter Element is a replacement part designed for various Scag lawn mower models. It replaces specific part numbers and is sourced from the original manufacturer. This filter element is made of durable, high-quality materials, ensuring long-lasting performance. By using this filter element, you can maintain the efficiency of your lawn mower's hydraulic transmission system, leading to smoother operation and prolonged lifespan. Keep your mower running smoothly with this reliable filter element.
Hustler Zero Turn Lawn Mower Transmission Filter
Hustler Transmission Filter is designed for Raptor SD, Fastrak, and Trimstar models. The OEM part# 600976 includes two filters for your convenience. Keeping your lawn mower's transmission in top condition is crucial for smooth operation. With these filters, you can easily maintain your mower's performance and prolong its lifespan. Ensure your machine runs efficiently by regularly replacing the filters. Don't let clogged filters slow you down!
LikeLion Transmission Filters 063-1050-00
The LikeLion Transmission Filters are designed to fit various lawn mowers, providing essential protection for your equipment. These filters effectively keep your hydro gear systems clean, ensuring smooth operation. With a thread size of 3/4"-16 and a compact design, they easily fit into compatible models, making installation straightforward for you. By replacing a range of part numbers, these filters offer versatility, saving you time and hassle in sourcing the right components. Investing in these filters helps enhance the longevity and efficiency of your mower’s performance.
Stens Transmission Filter for Hustler Mowers 602768X
Stens Mower Filter is a replacement transmission filter designed for Hustler mowers. With a height of 7 1/4" and an outer diameter of 3 1/4", this filter replaces OEM number 602768X. It is compatible with various Hustler mower models. The item package dimensions are 8.81L x 4.37W x 4.25H inches. Weighing 0.77 pounds, this filter is a convenient and efficient lawn mower accessory that ensures proper maintenance and performance for your mower.
HERO Hydrostatic Transmission Maintenance Kit
HERO Transmission Kit includes 5 quarts of SAE 20W-50 Fluid, 2 Hydrostatic Filters, and 1 Hydro Gear Pump. It is compatible with various HydroGear models, ensuring smooth hydrostatic transmission performance for zero-turn and stand-on mowers. The kit is a replacement for multiple OEM parts and fits mowers by top brands like Ariens, Cub Cadet, and John Deere. By using this kit, you can easily maintain your mower's transmission system, leading to improved efficiency and longevity.
Grasshopper Mower Transmission Filter for Gemini Series
Grasshopper Filter is a genuine replacement part designed for Grasshopper FrontMount 928D Gemini Series mowers. The 7-micron absolute drive assembly oil filter ensures superior filtration, protecting the engine and extending service life. Grasshopper's innovative micron absolute filter system traps particles, maintaining a clean drive system environment. The company's commitment to manufacturing efficiencies benefits both the planet and customers. Grasshopper products are designed, engineered, and assembled in America, ensuring high performance and durability.
Stens 120-265 Lawn Mower Filter
The Stens Transmission Filter is designed to enhance the performance of your lawn mower. It features a 3/4"-16 thread, ensuring a secure fit for easy installation. The filter has an outside diameter of 3.5 inches, making it compatible with various models. Without a PSI pressure relief valve, it simplifies the maintenance process, allowing you to focus more on mowing and less on upkeep. This filter not only helps to keep your mower running smoothly but also extends the life of your equipment, giving you peace of mind while you work in your yard.
Frequently Asked Questions (FAQs)
1. What are symptoms of a clogged transmission filter?
Symptoms of a clogged transmission filter include transmission fluid leaks, contaminated transmission fluid, shifting issues, strange noises, and unusual smells. It is important to regularly check your transmission fluid and address any signs of a clogged filter to prevent further damage to your lawn mower's transmission.
2. Will a dirty transmission filter cause hard shifting?
Yes, a dirty transmission filter can cause hard shifting. It can lead to issues such as noise when in neutral and difficulties switching gears. If you experience these symptoms, it is recommended to check and clean or replace the transmission filter to ensure smooth and proper shifting of your lawn mower.
3. Can you clean out a transmission filter?
While it is possible to clean a transmission filter yourself using disc brake cleaner, there is a higher risk of damaging the filter. It is generally recommended to replace the transmission filter rather than attempting to clean it, especially to ensure optimal performance and avoid potential damage to the lawn mower's transmission system.
4. How long do transmission filters last?
Most lawn mower manufacturers recommend changing the transmission filter every 30,000 miles or every two years, whichever comes first. It is important to follow the manufacturer's recommendations to maintain the efficiency and longevity of the transmission system in your lawn mower.
5. What to do if transmission is shifting hard?
If your lawn mower's transmission is shifting hard, it may be due to worn transmission fluid. Over time, the fluid's frictional properties can degrade, leading to hard and jerky shifts. In this case, it is recommended to change the transmission fluid to restore smooth shifting and prevent further damage to the transmission system.
6. What are the different types of transmission filters?
There are two types of transmission filters for lawn mowers: internal and external filters. External filters are attached to the transmission housing and can be found on older automatic transmissions. It is important to identify the type of filter your lawn mower has to ensure proper maintenance and replacement when needed.
During our lawn mower transmission filter research, we found 24 lawn mower transmission filter products and shortlisted 10 quality products. We collected and analyzed 6,620 customer reviews through our big data system to write the lawn mower transmission filters list. We found that most customers choose lawn mower transmission filters with an average price of $19.18.
The lawn mower transmission filters are available for purchase. We have researched hundreds of brands and picked the top brands of lawn mower transmission filters, including Stens, Oregon, Scag, Hustler, LikeLion. The seller of top 1 product has received honest feedback from 291 consumers with an average rating of 4.3.

Bryan Hicks is a professional gardener and a writer who lives in North Texas with his family and his dog. Bryan has spent more than half of his life surrounded by garden products. He has extensive experience in garden makeovers and maintenance and lawn care. His areas of expertise include outdoor decoration, gardening and garden design.