Keep your transfer case sealed up tight with the Merchant Automotive Transfer Case Rear Output Seal for 261XHD and 263XHD transfer cases in 2001–2007 GM 6.6L Duramax trucks.
If you’re chasing down a fluid leak or just doing some preventative maintenance, this seal is a simple fix that does the job right. It’s built to meet or beat OEM specs, so you’re getting a direct-fit replacement that installs easily and holds strong under pressure.
When you're daily driving, towing, or hitting the trail, this seal helps keep your transfer case protected, leak free and running smooth, no drips, no mess.