Transmission Vacuum Modulator (1965–77 GM, TH350/TH400)
Replacement modulator responds to engine vacuum to regulate shifting
This replacement vacuum modulator is for the matching TH350 or TH400 automatic transmission in corresponding 1965–77 GM applications. It mounts in the transmission housing and uses an engine-vacuum signal to help regulate hydraulic pressure and shift timing.
Match the original modulator and vacuum connection before installation.
FEATURES
• Matching 1965–77 GM TH350/TH400 application
• Transmission-mounted vacuum modulator
• Uses the engine-vacuum signal
• Helps regulate shift pressure and timing
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
