L163 transferred with the rest of the fleet from Glasgow Corporation to GGPTE in 1973, and was sold into preservation in November 1980.
It unexpectedly returned to service on the Glasgow City Tour run by Glasgow Corporation Transport Limited between 2003-4.
Sold with the Tour business to First Glasgow in March 2004, this bus was numbered PD3, or 39997 in the First national numbering scheme.
Finally, it was sold to Glasgow City Council for a return to preservation in 2006