This is one NOS genuine Jeep Smog Pump Air Bypass valve or Diverter
Valve also called an anti Backfire valve or Gulp Valve . This part is
correct for 1979 -1980 Jeep CJ5 CJ7 Cherokee and Jeep Pickup with 258
cubic inch 4.2L six cylinder engine. This part is correct for California
emissions.
HAS SOME DUST & LITTLE RUST BUT NOS