Briggs & Stratton 4138 Air Filter (4 x 399806S) NetSuite-ID_505401 Outer diameter: 1/8"

Outer diameter: 1/8"

Overall Width: 1"

Replaces: Onan 140-1228

For 6-16 HP engines

you can reduce costly repairs and extend the life of your engine

Briggs & Stratton 4138 Air Filter (4 x 399806S) NetSuite-ID_505401 Outer diameter: 1/8"Bulk 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.