Specifications.Special Features:C1M-W26A C1M-W26B C1M-W26C Poulan P3314 PP3516 P4018 P4018AV PP3816.Model Name:for C1Q-S43 C1Q-S43A C1Q-S43B C1Q-S57 C1Q-S57A C1Q-S137.Origin:Mainland China.Material:Rubber.Item Type:Carburetor.Carburetor Repair Kit.for Stihl 017, MS170, 018, MS180, MS210, MS230, MS250 Zama Carb RB-77 RB77.for Zama C1Q-S43, C1Q-S43A, C1Q-S43B, C1Q-S57, C1Q-S57A, C1Q-S137 Carburetor..Fitment: Poulan / PRO P3314 PP3516 P4018 P4018AV PP3816 PP4218 SM4218 SM4518 P3416 P3418AV etc. Chainsaws.Repair ZAMA.RB-129.Carb to.C1M-W26A C1M-W26B C1M-W26C.Quantity:4SET/8SET/16SET.Choose from the options upon your need..Color: As picture shows.Type: Carburetor Rebuild Kit.1...2. Made of high quality material, durable and practical to use..3. Delicate and exquisite, highly match the original equipment..4. Easy to install and reliable to use..1.Please check the pictures, models and part number carefully for compatibility before ordering..2. Only the above package content, other products are not included..3. Due to many factors such as display brightness and light brightness, the actual color of the item.may be slightly different from the picture displayed on the website..4. Due to different measurement methods, please allow 0.5-1 inch error..5.