1948 – 1962 GMT NOS Transmission 3rd and 4th Speed Synchronizer Hub GM # 591912

This new old stock transmission synchronizer 3rd and 4th speed hub was manufactured by General Motors for use on the following models:

Chevrolet 1948 – 1961 Series 10-40 with 4 speed. 

GMC Truck 1948-1954 100-150-250-280-300FC. 350-FC, FF with synchromesh 4-speed transmission,

GMC Truck 1955 – 1962 (N, S, T, X, Y) with SM420 4-speed transmission.

Replaces  # 360881   

11 internal teeth – 30 external teeth

NOTE:  Images show the condition and what is included in the sale.

*This item may be repackaged to protect it from shelf wear