HIPA RB-115 Carb Repair Kits Gasket for Poulan Craftman Weedeater FL20 FL23 FL25 FL26 FX26 MX550 MX557 P1500 P2500 Gas Trimmer Replacement manufacturer part number: RB-115 Compatible with ZAMA C1U-W18 C1U-W18A C1U-W24 carburetor some machines with same model number may equipped with a different carburetor