This is a A-921-0600 Bearings, Guard PN: 921-0600Main Description As Following : A-921-0600 Bearings, Guard PN: 921-0600 Found in Section & Models : Driveline > Driveline Components, Weasler Domestic: 6 SERIES, Driveline > Shielding, Weasler Domestic: 6 SERIES Associated Items : New Also This is An Aftermarket Product And : Original Weasler part.