Schuck's 2655 is a vacuum modulator designed to fit 1964-1972 Cadillac and Buick TH350 and TH400 transmissions. Made of steel and manufactured in the United States, this vintage part is an OE/OEM replacement with interchange part numbers M301, tm209, and TM-15. It comes with the necessary modulator included and is a genuine Schuck's product, ensuring compatibility and quality for your vehicle. Additionally, this modulator does not come with any performance enhancements, making it a suitable choice for those looking for a reliable replacement part for their classic Cadillac or Buick vehicle. Exact item is shown. Vintage new old stock item with original packaging. Item weight 1 lb. Made in USA. Please review our business policies in our store for information regarding returns, shipping and warranties. Most items have 30-day returns along with free fast shipping in 1 business day (see details). Message us anytime. Buy from a trusted 16+ year seller!