2004 GMC Sierra 2500 HD Axle Differential Bearing and Seal Kit 4WD - GM 10.5 in - 14 Bolt Cover - Incl. Timken Carrier Bearings/Races - Pinion Bearings/Races/Pinion Seal/Crush Sleeve/Oil - Rear guaranteed to replace your current 2004 GMC Sierra 2500 HD Axle Differential Bearing and Seal Kit 4WD - GM 10.5 in - 14 Bolt Cover - Incl. Timken Carrier Bearings/Races - Pinion Bearings/Races/Pinion Seal/Crush Sleeve/Oil - Rear. 2004 GMC Sierra 2500 HD Axle Differential Bearing and Seal Kit comes new OEM 2004 GMC Sierra 2500 HD Axle Differential Bearing and Seal Kit aftermarket new 2004 GMC Sierra 2500 HD Axle Differential Bearing and Seal Kit of remanufactured 2004 GMC Sierra 2500 HD Axle Differential Bearing and Seal Kit 4WD - GM 10.5 in - 14 Bolt Cover - Incl. Timken Carrier Bearings/Races - Pinion Bearings/Races/Pinion Seal/Crush Sleeve/Oil - Rear.