This new old stock differential pinion front bearing outer cup was manufactured by General Motors for use on the following models:
Chevrolet Pickup 1958 – 1959 1/2 -Ton with P/Trac,
Chevrolet Pickup 1960 – 1969 4WD,
Chevrolet Pickup 1965 – 1966 Series 10 with leaf type springs,
Chevrolet Pickup 1969 Blazer.
Replaced by 9412259