NP261HD Transfer Case Rebuild Kit w/ Rear Half Bearings Chain Sprockets Pump Add BRNY Case Saver?:No You'll find HD transfer cases

You'll find HD transfer cases in Chevy and GMC trucks that came with gas engines

GMC Yukon XL 1500 (2003-2006)

New Process Transfer Chain

Chevrolet Avalanche 1500 (2004-2007)

sealing ring kit

NP261HD Transfer Case Rebuild Kit w/ Rear Half Bearings Chain Sprockets Pump Add BRNY Case Saver?:No You'll find HD transfer casesNew Process Gear NP261 Heavy Duty Transfer Case Rebuild Package Description Package Includes: (1) Aluminum Reinforced NP261HD Rear Transfer Case Half (Will not fit XHD models) (2) Threaded Sensor Holes (Includes a Threaded Plug) (1) Tailshaft Bushing (Installed) (1) Output Shaft Needle Bearing (Installed) (1) Bearing, Gasket, and Seal Rebuild Kit (1) Transfer Case Chain (2) XHD Transfer Case Sprockets (1) Oil Pump Assembly (1) Oil Pump Screen Filter