Genuine Primer Bulb Assembly - Walbro SKU: 188-512-1 Please log in to see price or purchase this item DetailsFits WT-23A, WYJ-33, WYJ-34, WYJ-45, WYJ-86, WYJ-92 & WYJ-94 External Mount. Suits Ryobi.DetailsWALBRO 188-512Cross ReferenceCAS5652Cross Reference615-764