UpStart Components Replacement 530047721 Primer Bulb for Troy-Bilt TB20CS (Tuffy 41BDT20C966) Trimmer 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 UpStart Components Replacement 530047721 Primer Bulb for Troy-Bilt TB20CS (Tuffy 41BDT20C966) Trimmer

Please note: This is an UpStart Components Brand replacement part, NOT an OEM product. All mentions of brand names or model descriptions are made strictly to illustrate compatibility. All brand names and logos are registered trademarks of their respective owners. This product is not affiliated with any brands and is not covered under any warranties offered by the original manufacturers. Any warranties for this product are offered solely by UpStart Components.