Designed for durability and reliable performance, this quality replacement pre filter and fuel filter set ensures your STIHL cut off saw operates at peak efficiency. Built to meet OEM specifications, it helps maintain clean airflow and fuel delivery, extending engine life and reducing maintenance downtime. Key Features: Compatible with STIHL BR320, TS410, TS410Z, TS420, TS420Z Concrete Cut Off Saw models. Also fits STIHL TS480i and TS500i Cutquik Saw models. Pre filter replaces OEM part number 4238 140 1800. Fuel filter replaces OEM part number 0000 350 3506. Designed for precise fit and reliable performance. Helps prevent dust, debris, and contaminants from entering the engine and fuel system. Benefits: Protects your saw's engine from harmful particles, ensuring longer operational life. Improves cutting power and fuel efficiency by maintaining clean air and fuel flow. Reduces the risk of costly repairs caused by clogged filters. Applications: Ideal for construction professionals using STIHL Cutquik saws to cut concrete, asphalt, or masonry. Suitable for landscaping teams performing hardscape installations where dust control is critical. for municipal maintenance crews working on road and infrastructure projects. With exactfit compatibility for multiple STIHL models and OEMquality construction, this pre filter and fuel filter set is an essential part of your saw's regular maintenance routine. It offers dependable filtering performance to keep your equipment running smoothly in demanding work environments.