Welandya air filter pack shown for quick mower maintenance and replacement.
Welandya air filter foam cartridge closeup highlights durable foam for effective filtration.
Welandya lawn mower filter compatibility chart demonstrates model alignment for easy selection.
Welandya Troy-Bilt/MTD filter assembly view helps confident DIY installation.
Welandya air cleaner foam protects engine from dust and debris during mowing.
Welandya engine air filter exterior design emphasizes durable housing and easy handling.
Welandya BS 550e series filter fitment image confirms broad compatibility.

Welandya

Welandya 4-Pack 799579 Lawn Mower Air Filter – Compatible with BS 4248, 550e-550ex, and MTD Engines

High-performance patio lawn and garden made for confident daily results

$11.21

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Why customers choose PatioZora Garden

Welandya’s 4-pack of 799579 lawn mower air filters is designed to replace worn foam elements quickly, helping keep the engine’s air intake clean as you cut. The foam cartridge traps gravel, dust, and other particles before they can enter the combustion chamber, supporting steady airflow, more reliable starting, and smoother operation during long mowing sessions. While a filter cannot guarantee performance, a clean intake can reduce engine strain and help maintain consistent response when you need it most.

Engine cleanliness matters across many popular machines, and this filter set is intended to fit a broad range of BS, MTD, and Troy-Bilt engines. The 4-pack form factor is convenient for routine maintenance and seasonal replacements.

Compatibility at a glance

  • Compatible with BS Lawn Mower 4248, 5434, and 799579; fits 550e-550ex Series engines (09P602, 09P702, 09P000) and the 08P000 Series.
  • Also suitable for MTD/Troy-Bilt/AYP engines such as 093J02 450e 500e Primer Style 5.5hp Series, and TB110, TB115, TB554 models.
  • Pack includes four foam air filters for easy, cost-effective maintenance.

Easy maintenance and practical use

  • Simple replacement: pop out the old filter and insert the new foam cartridge without extra tools.
  • Foam media provides a balance of filtration and airflow to support steady engine performance.
  • Regular changes help protect the engine from dirt and debris, potentially contributing to smoother operation.

Note: Please confirm your engine’s model and part numbers before purchasing to ensure a correct fit.

FAQ

Q: Is this Welandya air filter compatible with BS 4248 and 550e-550ex engines?

A: Yes. The 4-pack is designed to fit BS 4248, 550e-550ex, and related MTD/Troy-Bilt engines listed in the notes.

Q: How do I install the Welandya air filter?

A: Open the mower housing, remove the old filter, and press in the foam cartridge filter; no special tools needed.

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