Rear Crankshaft Oil Seal Installer Tool for GM V8 Engines J-41479-2A 635-000.

For Silverado 3500 HD Engine Crankshaft Position Sensor Connector SMP 16742NGTJ

For Express 3500 Engine Crankshaft Position Sensor Connector SMP 13414VY

For Sprinter 3500 Engine Crankshaft Position Sensor Connector SMP 35925WXNP

For Express 3500 Engine Crankshaft Position Sensor Connector SMP 91592WG

For Express 3500 Engine Crankshaft Position Sensor Connector SMP 21818DNTK

For GMC Savana 3500 Engine Crankshaft Position Sensor Connector SMP 24617QXNG

For Express 3500 Engine Crankshaft Position Sensor Connector SMP 57915WXNM