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68-82 Headlight/Wiper Door Vacuum System Check Valve (Trico)
Item #:
In Stock - Ships today if ordered by 3 PM ET
Related To This Item
1968-1982 Corvette headlight or wiper door vacuum system check valves were installed at the intake manifold. Allows for vacuum to remain in system when the Corvette is turned off. 3-port valve attaches to intake manifold hose and includes (1) large port for main vacuum source to canister and (1) small port for vacuum control system inside the dash. Reproduction valve includes "Trico" casting as original.
This item is proudly Made in the USA

Technical Articles:

Model Years

More Information
Generation C3
Model Year 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982
Additional Item Information
  • OE GM PART #: 3926296
    *GM part # provided for lookup purposes only.
  • WARNING: This product can expose you to a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to
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