2 Pack Briggs & Stratton 491588S Air Filter – OEM Replacement for 399959

Genuine Briggs & Stratton 491588S Air Filter – 2 Pack

Upgrade your small engine’s air intake with this brand new two-pack of genuine Briggs & Stratton air filters. These are authentic OEM parts, pulled from bulk packs and sold loose as pictured, ensuring you receive genuine Briggs & Stratton components that carry the 491588S designation you rely on.

Why choose the 491588S filters

• Genuine OEM Briggs & Stratton replacement part designed for reliable compatibility
• Regularly replacing filters helps maintain proper airflow and protects engine internals
• Direct replacement for the 491588S (also known as 491588) with proven fit

These filters measure about 4.5 inches wide by 5.25 inches long and 0.75 inches tall, matching Briggs & Stratton specifications. The kit includes two filters, ready for installation in your compatible air intake housing. The two-pack format provides convenience for routine maintenance or stocking up for future use.

Trust and authenticity matter when replacing parts. This listing comes from an authorized Briggs & Stratton dealer, ensuring you receive genuine OEM components. The 491588S specification matches Briggs & Stratton's official part for a variety of air intake applications in compatible models.

What you get and how to use

• (2) air filters to keep you stocked for maintenance intervals
• Sold loose from bulk packs, as pictured, with genuine OEM labeling
• User-friendly replacement process that fits Briggs & Stratton engines compatible with part 491588S

In everyday use, clean air filters contribute to consistent engine operation by reducing dust and debris intake. While results can vary by engine and operating conditions, sticking with genuine Briggs & Stratton parts supports your equipment’s standard performance and reliability over time.

Product specs and fitment tips

• Brand: Briggs & Stratton
• Part number: 491588S (aka 491588)
• Dimensions: Width 4-1/2 in, Length 5-1/4 in, Height 3/4 in
• Quantity: 2 filters

Before swapping, verify that your engine model lists the 491588S/491588 as the OEM replacement. If you are unsure, consult your equipment manual or your Briggs & Stratton dealer to confirm compatibility and maintenance intervals.