1989-90 GM 547225 Pinion Gear Set 8-7/8 Ring Chevy Oldsmobile Cadillac Buick OEM

from an old pontiac / cadillac dealership parts room

consider part # and pics

looks to be correct for 1989 Buick Electra
1990 Caddy Fleetwood / Chevy Caprice / Buick Lesabre / Olds Custom Cruiser
all with 8-7/8 / 8- 3/4 ring gear without the locking axle

EU10