General Description The carburetor is designed to optimize the performance of Briggs & Stratton lawn mower engines, especially the 300E and 450E series. Made of quality materials, it ensures stable and durable performance, while being easy to install. This carburetor is an economical solution to replace a defective model, thus providing better cutting efficiency. Technical Specifications Type: Carburetor Material: ABS Compatible numbers: 591979, 595656, 590556, 591160, 799583, 593261 Compatibility and Accessories Compatible with Briggs & Stratton engines Stratton 300E and 450E series Specific models compatible: Masport 150ST, Mountfield HP185, Mountfield SP185, MTD 46B, MTD 46BS, Webb Supreme R16HP, Webb Supreme R18HP, McCulloch M40-125, Cobra M40SPB, etc. Package Contents: 1 carburetor, 1 O-ring, 1 gasket Installation The carburetor is easy to install and does not require any special technical skills. Follow the provided instructions to ensure proper and quick installation. Use This