Key Features OEM Briggs & Stratton replacement part (694395) designed for precise fit and dependable compatibility. Effective fuel priming that delivers the correct fuel charge to the carburettor, enabling easier starting, especially from cold. Durable rubber construction resistant to fuel exposure, cracking, and degradation under regular use. Restores reliable starting performance on engines with worn, split, or leaking primer bulbs. OEM reference 694395 ensures accurate identification and confident ordering. Product Details Product Type: Primer Bulb Brand: Briggs & Stratton Part Number: 694395 Material: Fuel-resistant rubber Function: Fuel priming / carburettor starting system Compatibility: Suitable for selected Briggs & Stratton engines (check model fitment) Compatibility Designed for selected Briggs & Stratton small engines, including Classic Series, Sprint Series, and Quattro Series. Compatible with 450E / 500E / 550E Series engines. Fits selected 600 Series walk-behind mower engines. Note: Primer bulb fitment can vary by engine model and carburettor type. Always verify your engine model number and the existing part before ordering.