Plastic Housing only for Silverline 8500 Series double hung vinyl window Also used on the American Craftsman Vinyl window sold by Home Depot.
Used a Steel pivot bar: 2-7/16 inches long by 5/16 inches wide by 3/16 inches thick # 532003

Overall Housing Length: 2-1/16 inches.
Housing Width: 9/16 inches
Housing Thickness: 5/8 inches
Material: Plastic
Housing Color: Translucent White

Note: To access pivot and housing, remove sash, remove screw on bottom of sash and pull out pivot bar first, then remove housing

These two parts are used as a replacement for 532044.
plastic housing 532046 is used with Steel Pivot bar 532003

Priced and sold each, No Pivot bar
 
This part is a replacement for 532044.