CLSR2U 799579 Foam Air Filter — 6 Pack for B&S/MTD/Troy-Bilt Lawn Mowers (Fits 09P602/09P702, 550E-550EX)

Why choose CLSR2U 799579 Foam Air Filter

The CLSR2U 799579 foam air filter is a versatile, ready-to-install part designed for lawn care enthusiasts who value dependable filtration. The vibrant yellow foam feels soft to the touch, yet it’s built to hold up under regular mowing duties. This filter is designed to work across a variety of popular engines, making it a practical addition to seasonal maintenance.

What’s included and key specs

• Six 799579 foam air filters in the pack for extended readiness
• Color: bright yellow; material: durable foam
• Dimensions: 4-1/4 in length x 3-1/4 in width x 7/8 in thickness
• Center hole diameter: 1-7/16 in
• Replacement part numbers covered: 799579, 4248, 5434, 595660, 590581, 594281

Where it fits

• Compatible with B&S engines in 08P500, 09P600, 09P700 series and the 550E-550EX family
• Works with MTD, Troy Bilt lawn mowers and blowers
• Also suitable for related Poulan and Craftsman models listed in the replacement guides
• O regen: 30-183; S tens: 102-573 compatibility ensures broad coverage

How to install and maintain

Replacement is designed for straightforward maintenance. Before use, saturate the foam with clean engine oil, then gently squeeze to distribute the oil evenly. Do not wring. The oil helps trap small particles and guides them through the foam toward the carburetor.

Tip for transport: foam filters can deform in transit. If so, simply remove from the bag and lay flat for a day or two to recover their shape.

Practical tips and benefits

• Six-pack convenience means you’re ready for multiple maintenance cycles without reordering frequently
• Visible yellow foam makes it easy to inspect during routine checks
• Broad compatibility reduces guesswork when selecting replacements for different models

Why consider foam filtration

Foam air filters offer straightforward upkeep and durable filtration. When prepared correctly, they can help maintain steady airflow, supporting smooth operation of compatible engines. This can be a practical option for seasonal mowing needs where quick maintenance matters.