Briggs & Stratton 399877S Air Cleaner Cartridge Filter NetSuite-ID_558137 a flat outer diameter of

a flat outer diameter of 4-1/16" and replaces MTD

PTO ball bearing: This helps ensure smooth operation and extends the life of the engine by minimizing wear and tear

This innertube is 20 X 1000-10 and has a straight valve

This premium Deck drive belt fits 42" Decks and replaces Cub Cadet

Heavy duty nylon construction

Briggs & Stratton 399877S Air Cleaner Cartridge Filter NetSuite-ID_558137 a flat outer diameter ofThis flat panel style, pleated paper air filter provides superior protection against the destructive effects of dirt ingestion. Used on the select10 cu. in. L Head Vertical 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. Not sure? Use our Parts Lookup Tool