PA 23 NG Housing Assy. w/8130 By JT Evans | January 21, 2014 - 10:09 am |January 31, 2024 Inquiry, Misc Parts, Sales - Piper Parts PN#31768-003 Click Image to Enlarge: Tagged 31768, 31768-003, NG Housing, PA 23, PA 23-250, Trunnion. Bookmark the permalink.