Perfect Compatibility: This air filter package is specifically designed For Stihl TS420 and is compatible with a range of concrete saw models including For Stihl TS410, For Stihl TS410Z, For Stihl TS420Z, and For Stihl TS480. With OEM code references such as 4238 141 0300, 4238-140-1800, and many others, you can ensure your equipment runs smoothly without any complications. TS420 air filter Replace Part Number: 4238-140-1800, 4238 141 0300, 4238 140 1800, 4238 140 4401, 4238 140 4402, 4238 140 4403, 4238 140 4404. TS 420 filter Parts fit For Stihl TS410 TS410Z TS420 TS420Z concrete cut off saw. 4238 141 0300 air filter fit For Stihl TS480i and TS500i Cutquik saws Air Filter Dimension: Width: 5-1/2", Length: 5 -3/4", Height: 1-3/4", come with 605-559 Pre-Filter Complete Set Included: This product comes with a total of 5 high-quality air filters and 5 pre-filters, offering complete coverage for your For Stihl TS420 series tools. Having multiple filters on hand lets you easily swap them out when needed, ensuring your equipment remains in top condition over time. With filter dimensions of 5-1/2" width by 5-3/4" length and a height of 1-3/4", they are designed to fit securely in your saw without any hassle. OEM Part Assurance: Each air filter in this pack is a direct replacement for OEM part numbers including 4238 140 4401, 4238 140 4402, 4238 140 4403, and 4238 140 440This means you wont have to worry about compatibility issues or settling for inferior substitutes. By using these filters, you are ensuring your For Stihl saw is equipped with parts that meet the same quality benchmarks as the original equipment manufacturers components. User-Friendly Installation: To make the replacement process easier for you, these filters are designed for quick and straightforward installation. No tools are required beyond what you need to access your For Stihl saw's air filter compartment. Even if you are not a professional, you will manage this task without difficulty, allowing you to get back to cutting quickly with peace of mind that your saw is protected with newer filters.