Buy OEM 1999 Chevrolet Part # 84669663 (84060396). Drive Shaft. All Models; 1/2 Ton; Auto Trans; 4L80E, 4L85E. All Models; 3/4 Ton & 1 Ton; Auto Trans; 4 Speed - 4L80E (MT1). Silverado

1 Ton; 3. 73 Ratio. 1 Ton; 4. 10 Ratio. 1 Ton; Part Of Sleeve. 4L65E; W/AWD. 4L65E; W/O awd. 4L85E. All Models; 1/2 Ton; 3.42 Ratio. All Models; 1/2 Ton; 3.73 Ratio; w/Crew Cab; 8.25 Ring Gear. All Models; 1/2 Ton; 3.73 Ratio; w/Crew Cab; 9.25 Ring Gear. All Models; 1/2 Ton; 3.73 Ratio; w/o Crew Cab. All Models; 1/2 Ton; 4.10 Ratio; 8.25 Ring Gear. All Models; 1/2 Ton; 4.10 Ratio; 9.25 Ring Gear. All Models; 1/2 Ton; 8.25 Ring Gear. All Models; 1/2 Ton; 9.25 Ring Gear. All Models; 1/2 Ton; All; 8.25 Ring Gear; w/o AWD. All Models; 1/2 Ton; All; 9.25 Ring Gear. All Models; 1/2 Ton; Auto Trans; 4L60E. All Models; 1/2 Ton; Auto Trans; 4L80E. All Models; 1/2 Ton; Manual Trans. All Models; 1/2 Ton; w/Crew Cab; 1 3/8" X 2 27/32 X 1". All Models; 1/2 Ton; w/Crew Cab; 1 5/16" X 2 11/16" X 7/8. All Models; 1/2 Ton; w/Crew Cab; 1 5/8" ID X 3". All Models; 1/2 Ton; w/Crew Cab; 1 5/8" X 3 1/4 X 1 1/32. All Models; 1/2 Ton; w/Crew Cab; 1 7/8" ID X 3". All Models; 1/2 Ton; w/Crew Cab; 134" Wheelbase; w/AWD. All Models; 1/2 Ton; w/Crew Cab; 134" Wheelbase; w/o AWD.