Kit 3 carburettor PRIMERS brushcutter: -Primer WALBRO 228019 for: WA - WT - WY - WYJ - WYK - WYL - WYP- WZ the listing includes n 1 primer per type Diameter 16 mm Original part number reference 188-12-1 -WALBRO primer 228020 for: HDA-WYK Diameter 19 mm Original part number 188-13-1 -Primer ZAMA 228021 for: C1Q-C1M-C1U Diameter 21/22 mm (approx.) Original part number reference 0057003/4