Cummins 4920517 Flywheel Housing PAI 060007CROSS REFERENCE: 4920517 APPLICATION: Cummins L10 M11 ISM Multiple Use Application. DETAILS: SAE #1 Starter Opening 3 5 8in With Preinstalled Starter Ring Starter Opening Can Be Increased To 4 1 8in By Removing Starter Ring. BRAND: PAI 060007 Cummins 4920517 Flywheel Housing PAI 060007. Heavy duty parts and diesel truck parts. Supports structural alignment and stable operation. All components are proudly manufactured in the U. S. A. by PAI Industries