Briggs & Stratton

What It Is

This is a genuine OEM Briggs & Stratton air filter (part number 594282) designed to replace the dirty or clogged filter on Briggs & Stratton engines powering walk-behind mowers, riding mowers, and garden tractors. It traps dust and debris before they enter the engine’s carburetor, protecting performance and longevity.

Fitment & Compatibility

• Engine models: Fits most Briggs & Stratton single-cylinder engines with a 2-1/2" diameter round air filter housing (common on Quantum, Intek, and Series 450–850 engines).
• Check your engine model number: Look for a stamped code on the valve cover or blower housing (e.g., “12A-902-1234”). Cross-reference with the 594282 part number on Briggs’ site or your manual.
• Deck/mower brand: Works with any mower using a compatible Briggs engine (Toro, Craftsman, John Deere, Husqvarna, MTD, etc.), but not universal—measure the old filter’s outer diameter (2.5") and thickness (about 1.5").
• OEM vs. aftermarket: This is genuine Briggs, not a generic. Aftermarket equivalents exist (e.g., Stens 130-077), but this one guarantees exact fit and filter media quality.

Key Things to Know

• Quality: OEM paper filter with a foam pre-filter layer—better dust capture than cheap generics. 4.7 stars from 129 reviews confirms reliability.
• Installation: Takes 2 minutes—no tools needed. Pop off the cover, swap the filter, reseat the cover. Common mistake: forgetting to align the cover tabs.
• Gotcha: Some newer Briggs engines use a different filter (e.g., flat panel or larger round). Always measure—don’t rely on brand alone.
• Maintenance: Replace every 25 hours or once per season (sooner in dusty conditions). Clean the foam pre-filter with soapy water if it’s oily.

Should You Buy It

If you have a compatible Briggs engine and want a no-hassle, exact-fit replacement that won’t let dirt slip through, this is a solid pick. It’s cheap, easy to install, and backed by strong reviews. Skip it if your engine uses a non-round filter or you’re fine with a generic that might leak.