5x Primer Bulb For Stihl HS45 FS38 FS45 FS90 HL75 Carburetor Priming OD=18.7mm | eBay
Carburetor with Gaskets & Primer Bulb for Stihl FS38, HS45, FS45, FS46 & FS55 193979580618 | eBay
Adefol Air Fuel Filter Line Kit for Stihl HS45 FS45 FS55R FS55 FS38 FS46 KM55R FC55 KM55 HL45 Trimmer Parts with Primer Bulb Replacement Parts for 4140 124 2800 Brush Cutter :