2001-2007 Duramax Transfer Case NP261 & NP263 Synchro Ring Outer Blocker (ZTSR26081)

The Transfer Case NP261 & NP263 Synchro Ring Outer Blocker is a critical shift component inside the transfer case that helps your vehicle switch between 2WD, 4WD High, and 4WD Low modes smoothly.

USA Standard Gear offers reliable transfer case parts with a huge inventory and expert support. Get the right part fast, backed by quality testing and decades of know-how. 

Part Number: ZTSR26081

• NP261 & NP263 Transfer Case (New Process)
• Outer Blocking Ring
• 0.925" OD
• 0.25" Width

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