Air Filter Cartridge Blue Durable Replacement For Lawn Mower Engines Premium

Feature: \n 1. Part Number: According to the original factory specifications, replacing part numbers are 491588S / 491588 / 399959.\n2. Applicable Model: Air filter cartridge, replacement for Briggs, replacement for Quantum Series 625, 650, 675(Current Engines), Model 12 series.\n3. Good Performance: Protect your engine from dirt, dust and keep it running at peak performance by replacing the air filter.\n4. Prolonging Engine Life: Improves airflow and prolongs engine life by providing clean filtered air while running.\n5. Long Service Life: Large filtering area and long service life. We recommend replacing your filters every season for best performance. \n\nSpecification: \n\nItem Type: Air Filter\nMaterial: Plastic\nPart Number: 491588S / 491588 / 399959\nFitment: \nReplacement for Briggs Side Valve Engines \nReplacement for Quantum Series 625, 650, 675(Current Engines), Model 12 series\nAlso fits some horizontal crank engines used on generators, cement mixe: