2004 Jeep Wrangler Axle Shaft Assembly 4WD - Dana 30 - Front Axle Kit - 4340 Chrome-Moly Upgrade - Includes 27 Spline Inner and Outer Shafts, Disconnect Block Off Kit, and Yukon Super Joints. - Front guaranteed to replace your current 2004 Jeep Wrangler Axle Shaft Assembly 4WD - Dana 30 - Front Axle Kit - 4340 Chrome-Moly Upgrade - Includes 27 Spline Inner and Outer Shafts, Disconnect Block Off Kit, and Yukon Super Joints. - Front. 2004 Jeep Wrangler Axle Shaft Assembly comes new OEM 2004 Jeep Wrangler Axle Shaft Assembly aftermarket new 2004 Jeep Wrangler Axle Shaft Assembly of remanufactured 2004 Jeep Wrangler Axle Shaft Assembly 4WD - Dana 30 - Front Axle Kit - 4340 Chrome-Moly Upgrade - Includes 27 Spline Inner and Outer Shafts, Disconnect Block Off Kit, and Yukon Super Joints. - Front.