595660 Air Cleaner Cover & 799579 Air Filter Kit Compatible with briggs and stratton 590581 Most 450E 550E 550EX 08P502 08P602 09P602 09P702 Series Engines for MTD Troy Bilt Lawn Mower and Blower

What It Is

This kit includes the 595660 air cleaner cover and 799579 air filter—replacement parts for the Briggs & Stratton single-cylinder OHV engines found on many MTD and Troy-Bilt walk-behind mowers, blowers, and trimmers. It keeps debris out of the carburetor and ensures proper airflow for starting and running.

Fitment & Compatibility

Check these before buying:

• Engine series: Fits Briggs & Stratton 450E, 550E, 550EX, 08P502, 08P602, 09P602, 09P702, and any engine using OEM part 590581 air cleaner base.
• Brand/models: Works with MTD and Troy-Bilt mowers (e.g., TB230, TB240, TB260) and compatible blowers (e.g., 250B, 300B). Not for Briggs Intek or Vanguard engines.
• OEM vs. aftermarket: This is a non-OEM kit. Fitment is generally good, but the cover clip may be slightly tighter than OEM. Measure the base diameter (≈3.5 in) to confirm.
• Deck size irrelevant: Fitment depends on engine model, not cutting deck size.

Key Things to Know

• Quality: The filter element matches OEM density; the cover is durable plastic but the latch tab can break if forced. Handle gently.
• Installation: Tool-free—snap the filter onto the base, then press the cover into place until the clip clicks. Takes 2 minutes.
• Common gotcha: If your old cover has a foam pre-filter, this kit does not include one. Reuse your old pre-filter if needed.
• Value: At ~$9, it’s 40–60% cheaper than the genuine Briggs kit and works reliably for most users.

Should You Buy It

This kit is a solid budget pick for DIYers maintaining a common Briggs 450E–550EX engine on a MTD/Troy-Bilt mower or blower. It fits well, installs instantly, and saves money over OEM—just be careful with the cover clip and reuse any pre-filter if required.