General description The Carburetor for Briggs-Stratton 300E 450E 500E 550EX 500 125cc 140cc is designed for lawnmower engines, providing high-quality performance and durability. It is constructed from premium materials to ensure longevity and efficiency, minimizing inert primer while enhancing overall engine performance. Technical specifications Compatible with Briggs-Stratton models: 300E, 450E, 500E, 550EX, 500 Replaces part numbers: 799583, 593261, 595656, 591979, 591160, 590556, 799579 Usage The carburetor effectively addresses common issues such as oil leaks, difficult starting, poor acceleration, and black smoke from the exhaust, ensuring smooth engine operation.