Carburetor Screen WALBRO/140-70-8 PDF Print $24.90 SKU: 140-70-8 Carburetor Screens - Walbro 140-70-8 Add to Wishlist Add to Compare Back to: Walbro Carbs & Parts Description Fuel Inlet Screen is a great replacement for Walbro. Carburetor Screen 10 Pack Genuine Walbro Part # 140-70-8 5/16" Diameter For All Model Walbro Carburetors Genuine OEM Walbro Part