Fitment: for GX240 8HP, GX270 9HP, GX340 11HP, GX390 13HP Portable Generator. Condition: New item Compatible with open-frame gasoline generators producing between 5,500 and 8,000 watts Suitable for 5500 to 8000 W models including Blue Max, Rural, Pro-Series, ETQ, All Power Replace Part Number: For E*6500 GX390 13HP 16100-Z5R-743 For E*5000 GX340 11HP 16100-Z5L-F11 Color: as shown Material: aluminum Air Intake Diameter: 29.90 mm Distance between air intake holes: 52.40 mm Intake motor diameter: 26.90 mm Engine Inlet Hole: 52.10 mm Package Contents: 1 x Carburetor Note: Please compare our product with your existing equipment or old parts by size, model, and specifications before purchasing Only the items listed are included; other products are not included Note: Lighting and display differences may cause slight color variations between the image and actual item. Measurement error allowed is +/- 1-3 cm