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
Extension spring diagram
Part #20-124
The manufacturer no longer makes this part, and there's no substitute part
Tracks diagram
Part #20-104-01
The manufacturer no longer makes this part, and there's no substitute part
Part #20-114-D
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
Tracks diagram
Part #20-107
The manufacturer no longer makes this part, and there's no substitute part
Tracks diagram
Part #20-104-05
The manufacturer no longer makes this part, and there's no substitute part
Tracks diagram
Part #20-101-00
The manufacturer no longer makes this part, and there's no substitute part
Extension spring diagram
Part #20-140
The manufacturer no longer makes this part, and there's no substitute part