This is a Pinion seal kit for a Dana 30 Front axle. This kit includes the following: Inner Pinion Seal:(99-00) 5012454AA or Inner Pinion Seal:(01-04) 5066446AA Outer Pinion Seal: 5012453AA Pinion nut: 5017755AA  A leaking pinion seal can cause axle failure and costly repairs due to lack of fluid in the axle. Save yourself in the long run and get your seal fixed today!
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