This is an automatic transmission Vacuum 

Modulator for the vehicles listed below;

   1977-79  Buick  w/350L eng.  w/TH350,TH375 trans. (blue stripe)

   1976  Chevy All  w/350 eng. & TH350,TH375 trans. (blue stripe)

   1977-81  Chevy All (exc. Diesel)  (blue stripe)

   1977-79  Oldsmobile All  w/350L eng.  (blue stripe)

   1977-79  Pontiac All  w/350L eng.  (blue stripe)

Replaces GM 3034884,458464. Please email questions, 

but give me time to respond. Don't forget to check 

out my store. Have a great day and HAPPY EBAYING!!!!