MOWFILL 796031 Air Filter Replacement for B&S & John Deere Lawn Mowers

Keep your mower breathing easy with a reliable air filter replacement

The MOWFILL 796031 air filter is designed as a high-quality, OEM-style replacement for a broad selection of Briggs & Stratton and John Deere air cleaners. It mirrors the size and performance of the original part, making it a practical choice for routine maintenance and extended mower life. In real-world use, a well-matched filter helps maintain consistent airflow, especially when cutting through dusty grass or dry debris. This replacement emphasizes durability and ease of use, offering peace of mind for everyday lawn care without promising guaranteed results.

Compatibility highlights

Designed to fit a wide range of engine and air-cleaner assemblies, this filter covers select Briggs & Stratton and John Deere models. Compatibility includes several common B&S part families and John Deere cleaning cartridges. Always compare the listed part numbers and engine models to confirm a match for your mower.

• Briggs & Stratton compatibility: 31A507, 31A607, 31A677, 31A707, 31A807, 31C707, 31E577, 31E607, 31E677, 31E777, 31G777
• John Deere compatibility: GY21435, MIU13038, MIU13963
• OEM cross-reference: B&S 5421, 5428, 992376, 590825, 591334, 594201, 796031

What’s in the package

• 1 x air filter element
• 1 x foam pre-filter
• Individually packaged for easy storage and handling

Quality and fit

The filter uses factory-grade media designed to handle dust and mowing debris under normal use. It upholds an exact size for compatibility with genuine filters, ensuring a snug fit in the air-cleaner housing and a straightforward replacement process. The included pre-filter helps extend the life of the main element by providing an additional layer of filtration at the intake.

Real-world use and benefits

In everyday mowing, a properly matched filter helps maintain steady airflow and cleaner air entering the engine. Users may notice smoother starts and consistent performance in routine maintenance cycles, especially when working in dusty or grassy environments. Consider this part as a practical option for routine maintenance that aligns with original equipment standards.

How to install

1. Power off the mower and remove the old filter.
2. Insert the MOWFILL filter into the air-cleaner housing, ensuring a snug seal.
3. Place the foam pre-filter on top and secure the housing cover.
4. Start the mower and check for stable operation.