

🛠️ Upgrade your mower’s breath of fresh air—because your engine deserves the best!
The Briggs & Stratton 491588S Flat Air Filter Cartridge is a high-quality, pleated-paper air filter designed for select Briggs & Stratton engines. It offers superior dirt protection, an exact OEM fit, and easy, tool-free installation to enhance engine performance and longevity. Trusted by thousands, this durable filter ensures your mower runs smoother, starts easier, and stays powerful season after season.







| ASIN | B0011WP4Q6 |
| Best Sellers Rank | #21,356 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #33 in Lawn Mower Air Filters |
| Brand | Briggs & Stratton |
| Customer Reviews | 4.8 4.8 out of 5 stars (22,503) |
| Global Trade Identification Number | 00004915880009, 00024847239508 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.32 ounces |
| Item model number | 491588S |
| Manufacturer | Briggs and Stratton |
| National Stock Number | 2940-01-341-2694, 2940-01-443-8673 |
| OEM Part Number | 491588S |
| Product Dimensions | 5.25"L x 4.5"W x 0.8"H |
| Shape | Square |
| UPC | 715256431187 798256112904 004915880009 024847239508 043948097923 759754992368 799742093554 071032000559 |
C**A
Great Replacement Air Filter – Easy Installation & Improved Performance
I recently purchased this filter for my lawn mower, and I’m really pleased with the results. Pros: Super Easy to Install: Installation was a breeze. I was able to replace the old, clogged filter in just a few minutes. No tools were necessary, and it fit perfectly into my mower’s air filter compartment. It was a straightforward swap, even for someone like me who’s not very mechanically inclined. Improved Mower Performance: After replacing the air filter, I noticed an immediate improvement in how my lawn mower runs. The engine feels smoother and more responsive. It starts up easier, and I haven’t noticed any hesitation in power while cutting. Durability & Quality: Briggs & Stratton is a trusted brand, and this filter certainly lives up to their reputation. The material feels sturdy, and I can tell it will last through multiple mowing seasons if properly maintained. Perfect Fit: It’s the exact replacement for the filter in my model (make sure you check your mower’s specs for compatibility). There’s no guesswork, and I’m confident it’ll work with other compatible models. Cons: None So Far: I’ve been using this filter for a few weeks now, and I haven’t encountered any issues. I’ll update my review if anything changes over time, but for now, everything is running smoothly. Overall Thoughts: If you're looking for a high-quality, easy-to-install air filter for your Briggs & Stratton-powered lawn mower, this filter cartridge is an excellent choice. It significantly improved my mower’s performance, and I don’t expect any issues with it. Highly recommend for anyone in need of a quick replacement! Tip: Make sure to regularly check and clean the filter, especially if you mow in dusty or debris-heavy areas. A clean filter will keep your mower running at its best.
B**T
Perfect fit
This is a quality filter. Fits perfectly and keeps engine clean. Highly recommended.
J**S
Perfect
Works perfect and fit like the original filter
G**7
Fit the price
Good product for the price. Right size and quality
R**E
Filter review
This filter worked 100% good. Thank you Amazon
R**W
It filters air going into generator.
Air filter for generator maintenance. Filters air going into engine. It fits and passes filtered air.
S**W
It works
Bought it for my lawn mower and it fits perfectly. It is durable and has lasted a couple of seasons.
R**N
Great seller with good products
Good product for good price.
P**L
Excellant filter that made a better difference on an old mower.Breathes better and more fuel efficient👍
V**C
The OEM filter, you should be assured it will do the job properly.
A**E
El producto coincide con lo pedido y es el adecuado para el motor. La entrega ha sido rápida. Todo perfecto.
C**E
Parfait pour ma tondeuse. Ouf sauvée
T**1
Super
Trustpilot
1 month ago
3 weeks ago