This part is commonly Used on models:
51620 31cc Curved Shaft Trimmer
51638 28cc Curved Shaft Trimmer
51653 28cc Straight Shaft Trimmer
61620 16"" Gas Trimmer
61638 16"" Gas Trimmer
61653 18"" Gas Trimmer
51903 18"" Gas Trimmer
51906 16"" Gas Trimmer
51911 16"" Gas Trimmer
51916 16"" Gas Trimmer
51926 16"" Gas Trimmer
51450 15"" Electric Trimmer
51920 15"" Gas Trimmer
51904 18"" Gas Trimmer
51907 16"" Gas Trimmer
51912 16"" Gas Trimmer
51917 16"" Gas Trimmer
51921 15"" Gas Trimmer
51927 16"" Gas Trimmer
