1999-2007 Duramax Gasket & Seal Kit w/ New Venture Gear NP261/263 Transfer Case (ZTTSK261)

Rebuilding your NP261 or NP263 transfer case? This gasket and seal kit includes everything you need to finish the job right. Input and output seals, o-rings, tailhousing plug, and more, all made to strict specs, so you don’t have to second-guess a thing.

Part Number: ZTTSK261

• Includes all required gaskets, seals, and o-rings
  
• Made for NP261 and NP263 transfer cases
  
• Strict quality specs for reliable sealing
  
• Covers input, output, shift shaft, and tailhousing
  
• Perfect for Silverado and Sierra rebuilds

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