5-Pack Lawn Mower Air Filter | Fits 491588 399959 491588S
5-Pack Lawn Mower Air Filter | Fits 491588 399959 491588S
5-Pack Replacement Air Filters for Lawn Mower Engines
Keep your lawn mower running at peak performance with this convenient 5-pack of high-quality replacement air filters. Engineered to fit popular Briggs & Stratton models (part numbers 491588, 399959, 491588S, and 119-1909), these filters are a smart, cost-effective way to ensure your garden power equipment stays clean, efficient, and ready for work season after season.
Why Replace Your Air Filter Regularly?
A clogged or worn air filter restricts airflow to your engine, reducing power output, increasing fuel consumption, and shortening engine life. These replacement filters feature a durable filter paper design with a metal mesh protective layer that traps dust, grass clippings, and debris before they reach the engine — helping your mower breathe cleaner air even in the dustiest yard conditions.
Key Features
- Compatible Part Numbers: 491588, 399959, 491588S, 119-1909
- Durable Construction: ABS housing with metal mesh protection for extended service life
- Easy Drop-In Installation: No special tools required — fits right in place of your old filter
- Tested Performance: Validated under dusty and active mowing conditions to meet quality standards
- Value Pack: Comes with 5 filters so you're stocked up for multiple seasons
- Color: Blue & White
- Dimensions: 13.2 × 11.3 × 2 cm (approx. 5.20 × 4.45 × 0.79 inches)
Product Specifications
| Material | ABS with Metal Mesh |
| Compatible Part Numbers | 491588, 399959, 491588S, 119-1909 |
| Color | Blue & White |
| Dimensions | 13.2 × 11.3 × 2 cm / 5.20 × 4.45 × 0.79 in |
| Package Contents | 5 × Air Filters |
| Country of Origin | Made in China |
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Frequently Asked Questions
Q: What lawn mower models are these air filters compatible with?
A: These replacement air filters are designed to fit engines using part numbers 491588, 399959, 491588S, and 119-1909 — commonly found in Briggs & Stratton-equipped lawn mowers and other garden power equipment. Always verify your existing part number before ordering to ensure compatibility.
Q: How often should I replace my lawn mower air filter?
A: As a general guideline, it is recommended to inspect your lawn mower air filter at the start of each mowing season and replace it at least once a year, or more frequently if you mow in particularly dusty or debris-heavy environments. Replacing it regularly helps maintain optimal engine performance and fuel efficiency.
Q: Is installation easy — do I need special tools?
A: Yes! These air filters are designed for straightforward drop-in installation. Simply remove the old filter and insert the new one in its place. No special tools are needed, making this a quick and easy DIY maintenance task for most homeowners.
Q: Why does this pack include 5 filters?
A: Having a 5-pack on hand means you're prepared for multiple maintenance intervals without needing to reorder frequently. It's a cost-effective approach for homeowners, landscapers, or anyone who services multiple machines that use the same compatible filter.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.