Exact replacement: Carburetor replaces C1U-W18, C1U-W24, 530071752, 530071822, 545081808, 545081807; air filter replaces 530057781. Perfect fit for Poulan Weed Eater FL20, FL20C, FL23, FL25, FL26, FL26C, FX26, FX26S, FX26SC, MX550, MX557, P1500, P2500, P3500, TE475, TE475Y, XT260, XT700 string trimmers. Also fits Poulan Featherlite SST25, SST25C. Carburetor adjustment tool included to help maintain proper engine performance. AC04122 Fuel Line Kit provides convenience when replacing a broken fuel line. Fits models: For Poulan Weed Eater: Weed Eater Featherlite FL20, FL20C, FL25, FL25C, FL23, FL26, FL26C, FX26, FX26S, FX26SC, FX265, XT260, SST25, SST25C, SST25CE, MX550, MX557, XT260, XT700, TE475 trimmers. For Craftsman trimmers: 358791520, 358791370, 358791620, 944514360, 944514361, 944514550, 944515460. Color: Yellow. Material: Plastic + Metal. Package includes: 1 x Carburetor, 1 x AC04122 Fuel Line Kit, 2 x Primer Bulbs, 2 x Gaskets, 1 x Fuel Filter, 1 x Spark Plug, 2 x 2-Foot Fuel Lines, 2 x Air Filters. Package content only; other products not included. Note: Lighting and display differences may cause the item color in the image to vary slightly from real life. Allowable measurement error is +/- 1-3 cm.