Bracket seal. Left.to X090000. Right.to X090000. A circular disk covered in rubber or plastic with a hole in the center where the edge is sometimes tensioned by a spRing that prevents fluid from leaking at the Rack & Pinion Housing Dust Boot. A component which prevents power steeRing fluid leakage from the Rack & Pinion Housing. Included in gear assembly. Rack and Pinion O-Ring. Rack And Pinion Pinion Seal. Rack and Pinion Seal Kit. Rack and Pinion Seal. And. and Kit. and O -. Bet. Boot o -. Included with: Gear assembly, Gear assy.