Online Price


Manufacturer and Part Number Substitution

MTD part number TC-631021B is now manufactured by Tecumseh as part number 631021B. While the new part may look different, this is a MTD approved substitution.

Please note that the price, availability, and description shown is for the new Tecumseh part number 631021B.


This product is non-returnable due to manufacturer policy. We apologize for the inconvenience.

A Recommended Alternative Is Available For This Part!

Why Buy a Recommended Alternative?Help

What's a recommended alternative part?

A recommended alternative part is an item that can be crossed over from an original equipment manufacturer (OEM) part. They are also known as "aftermarket" or "replacement" products. These parts are usually less expensive than the OEM but meet or exceed OEM standards for quality and performance.

We stand behind the quality of the recommended alternative products we sell. If you the product you purchased did not properly replace your OEM part requirement, please let us know.


Picture of Float Valve Kit

Float Valve Kit

Stens 525212


Picture of Float Valve Kit

Float Valve Kit

Stens 525265


Picture of Needle Kit

Needle Kit

RCPW 80-33-030


Old BrandMTD
Old Part NumberTC-631021B
New BrandTecumseh
New Part Number631021B