Feature:1. Replacing OE numbers for reference: 16100HN1013, 16100HN1A43.2. Prevent the engine from running out of oil or overflowing, ensures higher engine performance.3. Ideal for mixing fuel and air, provide rapid acceleration and save fuel, reliable to use.4. Made of premium aluminum material, antirust, anticorrosion and durable, long lifespan.5. Simple and fast to install, direct replacement for old or damaged carburetor.Specification:Item Type: CarburetorMaterial: Aluminum OE: 16100-HN1-013, 16100-HN1-A43Fitment: Fit for Honda TRX400EX Fit for Honda TRX400XSeries How to Use:1. Disassemble the original car carburetor2. Check if the location is appropriate3. It can be installed if appropriate (no need to plug in).Package List:1 Set of Carburetor Kit (3pcs)Note:Please double check the part number of your item, matching information is for reference only. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!