This transfer case adapter seal matches the fit and function of worn or damaged original equipment part. This seal should be replaced as part any service that requires the transfer case and transmission to be separated. Product Features:Ideal replacement - this transfer case adapter O-ring is a direct replacement for a worn or damaged original equipment seal between the transfer case and transmissionConvenient on-hand part - this seal should be replaced whenever the transfer case is removed for serviceApplication-specific design - this O-ring has been designed of durable materials specifically for this vehicle applicationQuality tested - this part has undergone try-on and material testing to ensure a quality fit and long service life