Automatic Transmission Extension Housing Repair Sleeve (KWK99149) by Timken®. Rear. Optional Premium. Flanged Outside Diameter: 1.781″. Repair sleeves restore the sealing surface on yokes and shafts, avoiding expensive components replacement. This hard, wear-resistant, and ultra low friction sleeve is precision manufactured to fit and function flawlessly. Get Timken repair sleeve for a quality, durable, corrosion-free sealing surface.