This is a brake return spring is for 1936-1942 passenger and truck (except double duty and 1 ton) FRONT & REAR, 1946-1950 passenger and 1/2 ton FRONT & REAR, 1937-1952 GE HE JE KE EF AM AN BM DR ER FR GR HR JR KR. Original GM number is 475511

Measurements are as follows:

6-3/8" Overall Length

1/2" diameter

Spring coils only is 3-5/8" long.

Applications:

1936-1942 passenger and truck

1946-1950 passenger and 1/2 ton