1.Item:drive shaft center bearing suppor 2.OEM No.211172- ... .MS200,250,300W/SPICER1550,1610,1650SERIES.1979-93 DODGE TRUCK Series 700-800-900-1000(3 Tons&Up)- w/spicer1800,1810 ... w/spicer 1610 Mechanics series 7C.1955-90CRANE CARRIERW/SPICER 1410,1650.-1965-90Material approvedRoHS, PAHsExecutive StandardVDA6.1 ,SAE ,ASTMQuality Certification ISO9001:2000 ...