Eaton ELocker Differential 30 Spline 1.31in Axle Shaft Dia 2.73 & Up Ratio Fr 8.5in/Rr 8.5in/8.6in

The Eaton ELocker is an electronic, selectable differential designed for drivers that need traction on-demand. At the flip of a dash switch, drivers can go from open to 100-percent locked. A second flip of the switch deactivates the unit to resume normal driving. The ELocker is the most reliable on-demand differential, featuring selectable operation and net-forged gears for added strength.This Part Fits: Year Make Model Submodel 1973-1975 Buick Apollo Base 1975 Buick Apollo SR 1988-1996 Buick Century Custom 1988-1989 Buick Century Estate Wagon 1988-1993,1996 Buick Century Limited 1991-1996 Buick Century Special 1991-1996 Buick Commercial Chassis Base 1988-1989 Buick Electra Estate Wagon 1988-1990 Buick Electra Limited 1988-1990 Buick Electra Park Avenue 1989-1990 Buick Electra Park Avenue Ultra 1988-1990 Buick Electra T-Type 1988-1991 Buick LeSabre Base 1988-1996 Buick LeSabre Custom 1988-1990 Buick LeSabre Estate Wagon 1988-1996 Buick LeSabre Limited