Part # ALL 72100
Internal seals prevent gear lube from leaking into axle tube to eliminate premature rear end failure. Seal housings are O-ring type with spring loaded seals. For use with 3" O.D. axle tubes and most 31-spline axles. Measure I.D. of tube for proper fit. Axle Housing Seal, 2.625 in OD, 1.125 in ID, Aluminum / Rubber, Red Anodize, 3/16 in Wall 3 in Axle Tubes, Ford 9 in, 
 
Sold Individually.