Transfer Case Seal Kit for 1987-2002 Jeep YJ, TJ, XJ, MJ w/ NP231 Transfer Case Crown AutomotiveTransfer Case Seal Kit for Jeep 1987 2002 YJ, TJ Wrangler, 1987 2001 XJ Cherokee, 1987 1992 MJ Comanche w NP231 Transfer Case Features and Benefits: 12 Month Warranty Direct Replacement For Models w NP231 Transfer Case Includes input seals, front and rear output seals, oil pump housing seal, oil pickup tube o ring, shift lever o ring, and front and rear output seals. Use Existing Hardware Details: Material: Metal, Rubber Hardware Included: Use