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01-07 GM Duramax B27 263XHD and 261XHD Rear Transfer Case Housing


  • Direct Replacement
  • Cast To OEM Specs
  • Great For Pump Rub Prevention/Repair
  • No Core Charge


  • Cast In Magnesium
  • Slip Yoke Pushing And Driven Sprocket Support Bearing Included
  • Includes Limited Lifetime Warranty Against Pump Rub
  • Fits 2001-2007 Duramax Diesel Engine Trucks W/ an Allison Transmission


A11 263XHD/261XHD Rear Transfer Case Housing

If you are needing to replace the rear transfer case half on your 2001-2007 GM Duramax diesel, this Merchant Auto NP261XHD/NP263XHD Transfer Case Housing is exactly what you need. This rear transfer case half is casted to OEM specs out of Magnesium which has been proven to be superior when compared to cheap aluminum knockoffs. It is a direct replacement and an upgrade for your factory housing to prevent and repair cases that have been damaged by pump rub.

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