Chevy Duty also sells this spring.
http://www.classicparts.com/prodinfo.asp?number=18-575 47-51
(1947-51) Door Latch Spring
Door Latch Spring
47-51
Quantity
Price: $4.95
Part # : 18-575
Year : 47-51
Ships:
Product Description
Large coil spring fits on door latch to prevent outside door handles from sagging.
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