2-Pack Replacement Air Filter for FX-RM Garden Tools

Keep your FX-RM outdoor power equipment running at peak performance with this set of two precision-fit replacement air filters. Designed as a direct aftermarket replacement, these filters help maintain clean airflow to your engine — extending the life of your machine and keeping it operating efficiently season after season.

Compatible Models

FX-RM 4639
FX-RM 5196 eS
FX-RM 5196 PRO
FX-RM 1855
FX-RM 5.5
FX-RM 5.0

Replacement Part Numbers: 4260249446175 / RM1850E1004

Product Specifications

Quantity: 2 x Air Filters per pack
Material: Durable Plastic
Dimensions: 116mm (L) × 100mm (W) × 29mm (H)

Why Replace Your Air Filter Regularly?

A clogged or worn air filter can restrict airflow, reduce engine efficiency, and shorten the lifespan of your garden equipment. Replacing it with a quality aftermarket filter helps ensure consistent engine breathing, optimal fuel combustion, and reliable operation throughout the mowing season. Having a spare on hand means you're never caught off guard.

What's in the Box?

2 × Replacement Air Filters

Please Note:

Please verify your model number before purchasing to confirm compatibility.
Allow ±0.5–1 inch variance due to manual measurement (1 inch = 2.54 cm).
No installation instructions are included. If you need installation guidance, please contact us via email and we'll be happy to assist.

Made in Mainland China.

Related Products You May Like

For general guidance on safe operation and maintenance of outdoor power equipment, visit the U.S. Consumer Product Safety Commission (CPSC) – Outdoor Power Equipment Safety.

Learn more: Rural King

Frequently Asked Questions

Q: Which mower models are these air filters compatible with?

A: These replacement air filters are compatible with FX-RM 4639, FX-RM 5196 eS, FX-RM 5196 PRO, FX-RM 1855, FX-RM 5.5, and FX-RM 5.0 models. They replace part numbers 4260249446175 and RM1850E1004. Please confirm your model number before purchasing.

Q: How often should I replace the air filter on my FX-RM garden tool?

A: For most garden power equipment, it's recommended to inspect your air filter at the start of each season and replace it at least once a year, or more frequently if you use the machine in dusty or heavy-debris conditions. Regular replacement helps maintain engine efficiency and longevity.

Q: Do these filters come with installation instructions?

A: Installation instructions are not included in the package. However, if you need guidance on how to install the air filter, please contact us via email and our team will provide step-by-step assistance as quickly as possible.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.