Replaces Part Number: 11431200641 11431200631 11431200611 carburetor, Replaces for C1QS295 C1QS296 C1QS233, Replace for 9Carburetor Air Filter Tune Up Kit For MS231 MS231C MS231Z MS251 MS251C MS251CBE MS251C MS251Z Chainsaw (Primer Bulbe Type)[High Quality Material]Using this carburetor kit can your chain saw runs smoothly, improve engine performance, and can effectively solve oil leakage, difficult starting, inability to accelerate, black smoke from the exhaust pipe, ETC.[Excellent Quality] This carburetor kit is made of firstclass materials, each one is factory tested to stable engine performance, easy installation, and can effectively increase the service life of your chain sawVALUE KIT: Make maintenance easy with our carburetor assembly kit. It offers excellent value and is a costeffective solution to keep your chain saw running optimally. These parts are simple and easy to use, and installation videos are easy to find on the web and take only 510 minutes to install.Note: This is for the EZ Version for MS251C Chainsaw, If your MS251 saw have a primer bulb, this is the correct carburetor kit .Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you!Colour:As ShownMaterial:MetalPackage Contents:1 * carburetor kitOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is + 13cm.