1939 – 1954 GMC Truck NOS Speedometer Two Speed Adapter Shift Diaphragm GM # 2223730

This new old stock speedometer two speed adapter shift diaphragm less body and bracket was manufactured by General Motors for use on the following models:

GMC Truck 1939-1954   Series 300 thru 370 All with vacuum shift 2-speed rear axle,

GMC Truck  1951-1954 300-24/ F300-27 with vacuum shift 2-speed rear axle,

GMC Truck  1950-1951 400HCS with vacuum shift 2-speed rear axle,

GMC Truck  1947-1954 450-470 All with vacuum shift 2-speed rear axle,

GMC Truck  1952-1953 450-30, F450-30 with vacuum shift 2-speed rear axle

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

*This item may be re-packaged to protect it from shelf wear.