This is a A-15063500 Universal Joint PN: 15063500Main Description As Following : A-15063500 Universal Joint PN: 15063500 Found in Section & Models : Driveline > Driveline Components, Weasler Domestic: 35 Series Associated Items : A-13002006 Also This is An Aftermarket Product And : Quick Disconnect to Shaft Weld Yoke Original Weasler part. Bore: 1 3/8" x 6 Spl.; 1 3/16" Sq.