Tool, Installer, Front, Output, Seal, Driver, 246, 261, 263

T-M109RAC NP246 - NP261 - NP263 99-up General Motors full-size truck Front output seal installation tool Easily places this expensive two-piece seal where it needs to be, every time. Precision milled from durable DuPont Delrin?? (an acetal resin). In one simple motion this seal driver simultaneously accomplishes three things: 1) Pilot centers tool inside output shaft as milled cavity accepts splines 2) Outer recess drives outer seal into case 3) Raised surface drives inner sleeved wiping seal onto the output shaft The fast, easy way for in-vehicle repair!