1. New high quality aftermaket replacement parts Snap in Primer Bulb 2. Replace part numbers 01183，UP04033，300780001，300780002 & 300780004 3. Replace replacement for mtd 791-683974B 683974B oregon 49-088-0,Bin number 188-512 4. Height:32.9mm / 1.295inch ,wide:21mm / 0.827inch，package included: 10pcs Snap in Primer Bulb 5. HIFROM focus on provide high quality products at fair price: Professional factory，3 Months warranty; if you unsatisfy with our product，you can return to our USA warehouse，no risk. Replace manufacturer part number: 188-512，188-512-1
replacement for Homelite UP04033 300780001 300780002 300780004