Prime Line 7-02345 Fuel Primer Bulb Replacement for Model Walbro 188-16, 188-16-1 Poulan 530-035497 For Models WA-224-1, WA-226-1, WA-228-1, WA-229-1, WA-230-1, WA-232-1, WT-501-1, WT-519-1 For Models WT-557-1, WT-558-1, WT-586-1, WT-587-1, WT-592-1, WT-606-1, WT-626-1, WT-630-1, WT-631-1, WT-632-1, WT-638-1 Fits Carburetors on Poulan Equipment