Briggs & Stratton 491588S Air Filter | OEM Air Cleaner Cartridge

Briggs & Stratton 491588S Air Cleaner Cartridge Filter

The Briggs & Stratton 491588S Air Cleaner Cartridge Filter is a genuine OEM flat panel style, pleated-paper air filter designed to help protect compatible Briggs & Stratton engines from dirt, dust, grass clippings, and debris.

This OEM air filter helps maintain proper airflow, engine performance, fuel efficiency, and long engine life. It is commonly used on select Briggs & Stratton Quantum Series, 625 Series, 675 Series, 625e Series, 675e Series, 725e Series, and many other small engine applications.

Many air filters look similar, so always verify your full Briggs & Stratton engine model, type, code, original filter number, and parts diagram before ordering.

Product Details

Key Features

• Genuine OEM Briggs & Stratton replacement air filter
• Part number 491588S
• Flat panel style air cleaner cartridge
• Pleated-paper filter media helps capture dust, dirt, and debris
• Helps protect the engine from harmful dirt ingestion
• Supports proper airflow and engine performance
• Designed for quick and easy replacement
• Commonly used on Quantum, 625, 675, 625e, 675e, and 725e Series engines

Check Common Engine Fitment

Briggs & Stratton 491588S fits many engine model families. Use the dropdown sections below as a simplified reference. Always verify your full engine model, type, code, original filter number, and parts diagram before ordering.

Important: This fitment guide is a simplified reference only. Briggs & Stratton 491588S fits many engines, but compatibility depends on your exact engine model, type, code, air cleaner housing, and parts diagram.

Why Replace Your Air Filter?

A dirty or clogged air filter can restrict airflow and reduce engine performance. Replacing the air filter helps protect the engine from dirt ingestion, supports proper combustion, helps maintain power, and can improve starting and running performance.

Replace your air filter if it is dirty, clogged, damaged, oil-soaked, missing, or no longer sealing correctly in the air cleaner housing.

Important Fitment Note

Briggs & Stratton 491588S fits select Briggs & Stratton engines only. Many air filters look alike, but small differences in size, shape, and housing fit can affect performance and sealing.

Before ordering, confirm:

• Your full Briggs & Stratton engine model number
• Your engine type number
• Your engine code number
• Your original air filter part number
• Your air cleaner housing style
• Your Briggs & Stratton parts diagram
• Whether your engine uses Briggs & Stratton 491588S

If you are unsure, contact P&P Small Engines with your full engine model, type, and code before ordering.

Part Number / Search Terms

Briggs & Stratton 491588S may also be searched as:

• 491588S
• Briggs 491588S
• Briggs & Stratton 491588S
• Briggs air filter 491588S
• Briggs air cleaner cartridge
• Briggs flat panel air filter
• Briggs pleated paper air filter
• Briggs Quantum air filter
• Briggs 625 Series air filter
• Briggs 675 Series air filter
• Briggs 625e air filter
• Briggs 675e air filter
• Briggs 725e air filter
• Briggs lawn mower air filter
• Briggs small engine air filter

Frequently Asked Questions

Is Briggs & Stratton 491588S an OEM air filter?

Yes. Briggs & Stratton 491588S is a genuine OEM Briggs & Stratton air cleaner cartridge filter.

What type of air filter is 491588S?

Briggs 491588S is a flat panel style, pleated-paper air filter cartridge.

What engines does Briggs 491588S fit?

It fits many Briggs & Stratton engines, including select Quantum, 625, 675, 625e, 675e, 725e, 08, 09, 110, 111, 115, 117, 118, 120, and 121 Series engines. Always verify your exact engine model, type, and code.

Why is it important to use the correct air filter?

The correct air filter must seal properly in the air cleaner housing. A poor-fitting filter can allow dirt and debris into the engine, causing premature wear or damage.

When should I replace my air filter?

Replace the air filter during routine maintenance or whenever it is dirty, damaged, clogged, oil-soaked, or no longer sealing correctly.

P&P Small Engines stocks genuine Briggs & Stratton air filters, oil filters, fuel filters, spark plugs, maintenance kits, and replacement engine parts to help keep your equipment ready to work.