Features: 1.Replace Part: The replacing OEM part number is 5507?180 for reference to assist you easily find exactly what you need. 2.Great Fitment: The choke is a replacement for Arctic Cat 400 4X4 AUTOMATIC 2005?2008 and replacement for 400 4X4 MANUAL 2005?2008. 3.Easy to install: The choke is specially designed with simple structure for easy and convenient installation even if the manual is not included. 4.High Quality Materials: The carburetor start choke is carefully made of premium plastic with higher strength and excellent resistance to wear. 5.Professional Production: The choke start valve has undergone extensive quality and safety testing to ensure stable performance and high efficiency. Specification: Item Type: Carburetor Start Choke_x005f_x000D_ Material: Plastic_x005f_x000D_ Part Number: 5507-180_x005f_x000D_ Fitment: _x005f_x000D_ Replacement for Arctic Cat 400 4X4 AUTOMATIC 2005-2008_x005f_x000D_ Replacement for Arctic Cat 400 4X4 MANUAL 2005-2008 PackageList: 1 x Carburetor Start Choke 1 x Screw 1 x Washer Note: 1. Please double check the part number of your item, matching information is for reference only._x005f_x000D_ 2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!