HERE IS ONE NOS GENUINE BUICK PARTS- LEVER THAT MOUNTS ON THE FIREWALL, CALLED AN ACCELERATOR LEVER. THIS IS PART OF THE GAS PEDAL LINKAGE. THIS FITS AND IS CORRECT FOR THE FOLLOWING BUICKS:
1940 SUPER AND ROADMASTER
1941 AND 1942 WITH SINGLE CARBURETORS
1946 AND 1947 ALL SERIES
 FOUND IN THE MASTER CHASSIS PARTS BOOK UNDER GROUP 3.453 AND PART NUMBER 1313011
THE PIN PORTION WEARS AND MAKES THE LINKAGE SLOPPY. HERE IS A NOS ONE AND YOU CAN REPLACE THIS IN ABOUT 3 MINUTES. EASILY. WICH IT WAS FOR A CENTURY!!![WE NEED ONE]
SHIPPED GLOBALLY USPS PRIORITY MAIL IN A 4" CUBE BOX. 
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