Check the listing for details. Transfer Case Front Half NP149 AWD NP3 with UPDATED Bearing Pocket GM 2001-06. Condition: Remanufactured. Listed at 265.00 USD. NP149 NV149 Transfer Case Front Halfwith UPDATED Front Output Bearing Pocket 2001-2006NO CORE DUE BACK The front output bearing bore wears out of round on the NP149 causing a seal leak that isn't fixable without a case replacement.This case has the front bearing pocket machined on center and then a steel sleeve inserted to bring case back to factory specs to prevent a seal leak and then a new front output bearing is installed.If you need a gasket & seal kit also see item 175649192031 GEARBOX ID INFO: NP149 or NV149 on ID tag on rear case half VEHICLE / TRANSMISSION FITMENT: 2001-2006 Cadillac Escalade ESV EXT2004-2007 Chevrolet Avalanche 15002003-2007 Chevrolet Silverado 15002006 Chevrolet Suburban 15002003-2007 GMC Sierra 15002001-2006 GMC Yukon XL PARTS INCLUDED IN THIS LISTING: Front case half with front output bearing It Is the Buyer's Responsibility to Confirm Compatibility and Durability for Their Application Before Purchase If you need help, provide the following info via eBay Messenger VIN; Casting or any ID markings on part; Couple of pictures of old part & one of transmission