There may be different carburetors used on these models depending on the spec, serial or build date of the engine. It is the customers responsibility to make sure this is the correct item for your unit.
Did you check your OEM part number? Specific models stated in the listing are potential matches only and NOT a guarantee of compatibility. Even if two pieces of equipment share the same year/make/model, they can and often do have different part numbers. The only way to ensure the correct replacement part is with the OEM part number. You are responsible for verifying the OEM part number. If you are unsure or need assistance, you can call us or send us a message and we will be happy to assist you the best we can.