Briggs & Stratton 4138 Air Filter (4 x 399806S) NetSuite-ID_458309 Use this guide bar for

Use this guide bar for wood cutting with a small to medium sized chain saw

and stays sharper and stronger longer

Precision bar grooves allow for better fit-up and reduced wear

When used to replace four bolt mount starter

Briggs & Stratton 4138 Air Filter (4 x 399806S) NetSuite-ID_458309 Use this guide bar forBulk pack of 4 (399806S) air filters. This oval style, pleated paper air filter provides superior protection against the destructive effects of dirt ingestion. Used on select 10 12 Gross HP vertical shaft Head engines, this OEM part ensures proper fit and performance to maintain the life of your Briggs & Stratton engine. Many parts look similar, so its crucial to ensure youre choosing the right replacement for your original equipment or engine model.