The OEM Stihl TS400 Carburetor Tillotson HS279D443 is designed for 2-stroke engines and is compatible with STIHL chainsaws. This silver carburetor includes the intake and clamp, making it a complete and reliable replacement part for your outdoor power equipment. With the Tillotson brand name known for quality and durability, this carburetor ensures optimal performance and efficiency for your gardening and outdoor living needs.