Wagner FC-4880    New, never installed, out of a

 inventory we purchased..

years ago. Wagner was OEM for GM in these years. 

This is the same part

that your Truck came with out of the factory..

This master cylinder boot services the following...

1937-1959 Chevrolet 3/4 ton Truck, 20,3400,3500,

3600,3700

1937-1959 Chevrolet 1 ton, 30,3800,3900

1937-1959 GMC Truck, Models....

T16,F16,F16H,T16H,T155,T15,T15H,250,280,300,

340,350,370

small hole is 9/32, large opening is 1 15/32

Rubber is day one soft, no issues here

Stored in a dry heated building, in original box.

NOS!

location FC-4880