I love mine, too! It REALLY adds to a nice ride, with the air moving all through the cab -- it's wonderful!

I bought a new one from Chevy Duty and glued it in place. They sell two types for 1947 - 1953:
sponge / $3.50 / #34-011
or
molded / $10 / #34-012

1-800-741-1678

~~ Alan Horvath
1954 Chevy Pickup
Singing his praises in the
Passing Lane