DESCRIPTION: 90 days warranty, The highest after-sales warranty Low cost, The highest performance for the cost Brand new High quality Durable and easy to install (Tips: Press “Ctrl + F” to quickly find the model you need) Installation: MS251 Chainsaw Replacement Part: 1143 020 1207,1143-020-1207 Note: Fits 2012 and later models with an intake manifold that is secured with only four bolts. Diameter: 44mm Kit includes: 1 x Cylinder, 1 x Piston, 1 x Pin, 2 x Rings, 2 x Snap Rings, 1 x Air Filter, 2 x Oil Seals, 1 x Spark Plug, 1 x Primer Bulb, 1 x Needle Bearing, 1 x Fuel Filter. Note: To make sure the part fits perfectly, please read the item description, check the item photos and the series of your old carburetor. If you need anything, please send a message or email before contacting ebay. We will reply within one business day. SHIPPING: We have warehouses in California and New Jersey. We ship to the warehouse closest to you. If one warehouse is out of stock, we will ship from another warehouse. Thank you for your understanding.