ACDelco 84669664 GM Original Equipment Driveshaft Assembly

The ACDelco 84669664 is a GM Original Equipment driveshaft assembly designed for select Chevrolet Silverado and GMC Sierra heavy-duty trucks. This genuine OE replacement part connects the vehicle's transmission to the rear differential, transferring power from the engine to the wheels while allowing for suspension movement and drivetrain rotation through precision-engineered universal joints.

Key Features:

• GM Original Equipment part manufactured to exact factory specifications
• One-piece driveshaft design for specific truck configurations
• Engineered for 4WD applications with 6L90 transmission systems
• Designed, tested, and validated to rigorous General Motors standards
• Precision-balanced assembly for smooth, vibration-free operation
• Direct replacement for OEM part numbers 20914790, 22791726, 23251140, and 84229486

As a genuine ACDelco GM Original Equipment component, this driveshaft assembly ensures proper fit, form, and function for your vehicle. ACDelco, a brand of GM Customer Care and Aftersales, has been manufacturing premium automotive replacement parts for over a century, providing reliable performance backed by General Motors engineering expertise.