UpStart Components Replacement 530047721 Primer Bulb for Echo CS-3400 (Type 1E) Chainsaw. Quantity: 10 Premium quality material and easy at-home installation. An affordable way to bring your machine back to life. Please make sure to check your original part to confirm that you are buying the correct product. Compatible 12318139130 300780002 188-512-1 Purge Bulb for Part Number 503936601
