Air Filter for Briggs & Stratton 399877

Premium aftermarket air filter for Briggs & Stratton equipment. Built to OEM specifications for a direct fit, easy installation, and reliable performance.

Fits These Models

• Fits Briggs & Stratton model 100700 (3.5 hp) quantum engines (side starter).

Replaces OEM Part Numbers

• Briggs & Stratton 399877
• Briggs & Stratton 399877S

Specifications

• 4-5/8"L x 4-5/8"W x 7/8"HT

What's Included

• One pc per bag

Fitment tip: Always verify your engine or equipment model number against the list above before ordering. Questions about compatibility? Contact us — we're small engine parts specialists.