Correct replacement windshield wiper mounting bolt used on various GM passenger car and truck models from 1959-1991. 10-24 x 1" hex head bolt with countersunk external tooth lock washer. Clear zinc plated for corrosion...
Wiper Motor Mounting Bolt, 10-24 x 1" Hex Head Bolt with Countersunk External Tooth Lock Washer, Each
Classic $1.99 set