Part #20-139
The manufacturer no longer makes this part, and there's no substitute part
Vertical track diagram
Part #20-161
Replaced by #STD533107
T handle lock diagram
Part #20-163
The manufacturer no longer makes this part, and there's no substitute part
Extension spring diagram
Part #20-127-D
The manufacturer no longer makes this part, and there's no substitute part
Tracks diagram
Part #20-101-01
The manufacturer no longer makes this part, and there's no substitute part
T handle lock diagram
Part #20-162
The manufacturer no longer makes this part, and there's no substitute part
Lower rail diagram
Part #20-151
The manufacturer no longer makes this part, and there's no substitute part
Tension strap pre-stressing system diagram
Part #20-165
The manufacturer no longer makes this part, and there's no substitute part
Lower rail diagram
Part #20-155-8
The manufacturer no longer makes this part, and there's no substitute part
Roller guide diagram
Part #20-109
The manufacturer no longer makes this part, and there's no substitute part