AIR3075 - Briggs & Stratton Panel Air Filter - Small Square Type

This aftermarket air filter traps dust and debris before it can reach the engine, helping maintain clean airflow and protecting against premature wear. Fits: - Briggs & Stratton 3.5 hp and 4 hp Quantum engines with a side recoil starter and Quantum 35, 10 series with pull-up recoil starter assemblies including selected types and codes of 100700 and 100708 engine models. Replaces OEM: 399877 Dimensions: Length: 4 5/8", 117 mm; Width: 4 5/8", 117 mm; Height: 3/4", 19 mm OEM Cross-Reference: 399877 Also suits: Briggs & Stratton