Replacement OEM Parts No. Intake diameter ID: 42mm. Intake diameter dD: 48mm. Air filter inner diameter:58mm. Air filter outside diameter: 62mm. Please check for the photos. Conditon:100% Brand New. Color:As Picture Showed. Feature:High class quality and very durable, Good Working Condition and Easy to Install. Pls confirm it is ok before you purchasing. Otherwise, we may cancel your order. Items underwarranty are exchanged upon request. If you are just unhappy with the condition of your item or changed your mind about it. We have been in this line for over 16 years, our product has the following characteristics. Complete range of specifications. Moreover, we have very rich experience and can provide good service for you. Work days will reply soon, and weekend will reply a little late. Hope you can understand us.