Replacement Air Filter for Lawn Mower 36905 20016 20017 Compatible with Tecumseh Craftsman Oregon Toro Recycler Engine Lawn Mower

What It Is

This is a replacement foam air filter for Tecumseh, Craftsman, Oregon, and Toro Recycler engines (models 36905, 20016, 20017). It traps dirt and debris before they enter the carburetor, keeping the engine running smoothly.

Fitment & Compatibility

Before buying, check these three things:

• Engine model number – Confirmed fit for Tecumseh 36905, 20016, 20017. Also fits many Craftsman and Toro Recycler mowers with these engines. Not universal – verify your engine’s model number (usually stamped on the blower housing or valve cover).
• Physical dimensions – The filter is approximately 3.5” x 2.5” x 1” (foam only, no plastic housing). Measure your existing filter’s length, width, and thickness to confirm.
• OEM vs aftermarket – This is an aftermarket (EGO brand) replacement. It matches OEM part numbers but is not a genuine Tecumseh/Craftsman part. Quality is generally good, but some users report slightly looser fit than OEM.

Key Things to Know

• Installation is easy – Remove the air filter cover (usually one screw or clip), swap the old foam filter for the new one, and reinstall. No tools needed beyond a screwdriver.
• Foam vs paper – This is a washable foam filter, not a disposable paper one. You can clean and reuse it (rinse in soapy water, dry, lightly oil). Paper filters must be replaced.
• Common gotcha – The foam can compress over time. If it feels too loose in the housing, it may let unfiltered air in. Check fitment after installation – it should sit snugly without gaps.
• Performance note – Foam filters flow slightly more air than paper, which can help on older engines but may let slightly more fine dust through. Fine for residential mowing, not ideal for heavy dust conditions.

Should You Buy It

Buy it if you need a simple, affordable replacement for a Tecumseh/Craftsman/Toro Recycler mower with model 36905, 20016, or 20017 engine. It’s a solid budget option that’s easy to install and cleanable. Skip it if you prefer OEM parts for a guaranteed tight fit or if your engine model isn’t listed – measure first.